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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Применить Всего найдено 13313. Отображено 100.

26-01-2012 дата публикации

Articles comprising phyllosilicate composites containing mica

Номер: US20120017992A1

Автор: Kostantinos Kourtakis

Принадлежит: EI Du Pont de Nemours and Co

Disclosed is a mica paper composite and a process for making the mica paper composite. Articles comprising the mica paper composite are also disclosed.

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Номер записи: 1

09-02-2012 дата публикации

Reduction-resistant dielectric composition and ceramic electronic component including the same

Номер: US20120033343A1

Автор: Ji Young Park, Kang Heon Hur, Sang Hoon Kwon, Seok Hyun Yoon, Sung Hyung Kang

Принадлежит: Samsung Electro Mechanics Co Ltd

There are provided a reduction-resistant dielectric composition and a ceramic electronic component including the same. The reduction-resistant dielectric composition may include a BaTiO 3 -based matrix powder, 0.1 to 1.0 moles of a transition metal oxide or transition metal carbonates, based on 100 moles of the matrix powder, and 0.1 to 3.0 moles of a sintering aid including silicon oxide (SiO 2 ). The ceramic electronic component including the reduction-resistant dielectric composition may have a high capacitance and superior reliability.

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Номер записи: 2

09-02-2012 дата публикации

Dielectric ceramic and laminated ceramic capacitor

Номер: US20120033344A1

Автор: Tomoyuki Nakamura

Принадлежит: Murata Manufacturing Co Ltd

A dielectric ceramic and a laminated ceramic capacitor using the dielectric ceramic are achieved which provide favorable thermal shock resistance without damaging properties or characteristics such as dielectric properties, insulation properties, temperature characteristics, and characteristics in high temperature loading, even when the dielectric layers are reduced in thickness and the number of stacked layers increased. The dielectric ceramic contains, as its main constituent, a barium titanate based compound represented by the general formula ABO 3 , and a crystalline oxide containing Al, Mg, and Si is present as secondary phase grains in the dielectric ceramic.

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Номер записи: 3

16-02-2012 дата публикации

Highly zirconia-based refractory and melting furnace

Номер: US20120036895A1

Автор: Hironori Sato

Принадлежит: Asahi Glass Co Ltd

A highly zirconia-based refractory suitable for an electric melting furnace, which has a high electrical resistivity and does not exhibit a chipping off phenomenon and which is scarcely susceptible to extraction of components even when in contact with molten low alkali glass and, hence, is less susceptible to cracking during operation. The highly zirconia-based refractory that includes, as chemical components by mass %, from 85 to 95% of ZrO 2 in terms of inner percentage, from 3.0 to 10% of SiO 2 in terms of inner percentage, from 0.85 to 3.0% of Al 2 O 3 in terms of inner percentage, substantially no Na 2 O, from 0.01 to 0.5% of K 2 O in terms of outer percentage, from 1.5 to 3.0% of SrO in terms of inner percentage, and from 0.1 to 2.0% of Nb 2 O 5 and/or Ta 2 O 5 as a value obtained by [(Nb 2 O 5 content)+(Ta 2 O 5 content/1.66)], in terms of inner percentage.

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Номер записи: 4

23-02-2012 дата публикации

Refractory product with high zirconia content

Номер: US20120046156A1

Автор: Isabelle Cabodi, Michel Gaubil, Sophie Papin

Принадлежит: Saint Gobain Centre de Recherche et dEtudes Europeen SAS

A fused and cast refractory product including, in mass percentages on the basis of the oxides and for a total of 100% of the oxides: ZrO 2 + Hf 2 O: balance to 100%; SiO 2 : 7.0% to 11.0%; Al 2 O 3 : 0.2% to 0.7%; Na 2 O + K 2 O: <0.10%; B 2 O 3 : 0.3% to 1.5%; CaO + SrO + MgO + ZnO + BaO: <0.4%; P 2 O 5 : <0.15%; Fe 2 O 3 + TiO 2 : <0.55%; Other oxide species: <1.5%; the mass content of a dopant selected from Nb 2 O 5 , Ta 2 O 5 and mixtures thereof being of less or equal to 1.0%, and the A/B ratio of the Al 2 O 3 /B 2 O 3 mass contents being less than or equal to 2.0.

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Номер записи: 5

01-03-2012 дата публикации

Process And Apparatus For Manufacturing Ceramic Honeycombs

Номер: US20120049419A1

Автор: Daniel Edward Mccauley, Jeffrey S. White, Paul Michael Eicher, Peter John Hynes, Sandra Lee Gray

Принадлежит: Corning Inc

Methods and apparatus for making ceramic honeycombs by steps including compounding a plasticized ceramic batch mixture and forming the mixture into ceramic honeycombs by continuous extrusion, drying and firing, wherein one or more ceramic powders for the batch mixture are supplied by in-line homogenization as a powder feed having a median particle size D 50 that varies from a maximum value to a minimum value by an amount not exceeding 15% of the maximum value during a 24-hour period of continuous extrusion.

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Номер записи: 6

07-06-2012 дата публикации

Shaded zirconium oxide articles and methods

Номер: US20120139141A1

Автор: Ajmal Khan, Carlino Panzera, Dmitri G. Brodkin

Принадлежит: IVOCLAR VIVADENT AG

A dental article includes yttria stabilized tetragonal zirconia polycrystalline ceramic, and no more than about 0.15 wt. % of one or more coloring agents of one or more of: Pr, Tb, Cr, Nd, Co, oxides thereof, and combinations thereof, whereby the dental article is provided with a color corresponding to a natural tooth shade; and wherein the dental article has a flexural strength of at least about 800 MPa. Corresponding methods are also described.

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Номер записи: 7

21-06-2012 дата публикации

Self-Toughened High-Strength Proppant and Methods Of Making Same

Номер: US20120157358A1

Автор: Christopher E. Coker, Christopher Y. FANG, Dilip K. Chatterjee, Yuming Xie

Принадлежит: Oxane Materials Inc

Methods are described to make strong, tough, and lightweight whisker-reinforced glass-ceramic composites through a self-toughening structure generated by viscous reaction sintering of a complex mixture of oxides. The present invention further relates to strong, tough, and lightweight glass-ceramic composites that can be used as proppants and for other uses.

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Номер записи: 8

05-07-2012 дата публикации

Biosoluble inorganic fiber

Номер: US20120168665A1

Автор: Hideki Kitahara, Takahito Mochida, Takashi Nakajima

Принадлежит: Nichias Corp

An inorganic fiber having the following composition: 71 wt % to 80 wt % of SiO 2 , 18 wt % to 27 wt % of CaO, 0 to 3 wt % of MgO, and 1.1 wt % to 3.4 wt % of Al 2 O 3 , wherein the amount of each of ZrO 2 and R 2 O 3 (R is selected from Sc, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Y or mixtures thereof) is 0.1 wt % or less, the amount of each alkaline metal oxide is 0.2 wt % or less and the total amount of SiO 2 , CaO, MgO and Al 2 O 3 is 99 wt % or more.

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Номер записи: 9

12-07-2012 дата публикации

Tablet for ion plating, production method therefor and transparent conductive film

Номер: US20120175570A1

Автор: Tokuyuki Nakayama, Yoshiyuki Abe

Принадлежит: SUMITOMO METAL MINING CO LTD

A tablet for ion plating which enables to attain high rate film-formation of a transparent conductive film suitable for a blue LED or a solar cell, and a noduleless film-formation not generating splash, an oxide sintered body most suitable for obtaining the same, and a production method thereof. A tablet for ion plating obtained by processing an oxide sintered body comprising indium and cerium as oxides, and having a cerium content of 0.3 to 9% by atom, as an atomicity ratio of Ce/(In+Ce), characterized in that said oxide sintered body has an In 2 O 3 phase of a bixbyite structure as a main crystal phase, has a CeO 2 phase of a fluorite-type structure finely dispersed as crystal grains having an average particle diameter of equal to or smaller than 3 μm, as a second phase; and the oxide sintered body is produced by mixing raw material powder consisting of indium oxide powder with an average particle diameter of equal to or smaller than 1.5 μm, then molding the mixed powder, and sintering the molding by a normal pressure sintering method, or molding and sintering the mixed powder by a hot press method.

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Номер записи: 10

12-07-2012 дата публикации

Low expansion corrosion resistant ceramic foam filters for molten aluminum filtration

Номер: US20120175804A1

Автор: David P. Haack, Feng Chi, Leonard S. Aubrey

Принадлежит: PORVAIR PLC

A ceramic foam filter for molten aluminum alloys comprising an alumina silicate rich core and a boron glass shell and a chemical composition comprising: 20-70 wt % Al 2 O 3 , 20-60 wt % SiO 2 , 0-10 wt % CaO, 0-10 wt %; MgO and 2-20 wt % B 2 O 3 .

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Номер записи: 11

30-08-2012 дата публикации

Method for producing perovskite type composite oxide

Номер: US20120216941A1

Автор: Norikazu Tachibana, Toshiharu Nakagawa, Yasunari Nakamura

Принадлежит: Murata Manufacturing Co Ltd

A method is provided which includes a reaction step of reacting at least titanium oxide, a calcium compound, and barium hydroxide in a slurry solution so as to produce a perovskite-type composite oxide. The perovskite-type composite oxide is represented by (Ba 1-x Ca x ) m TiO 3 , and x is within a range of 0<x≦0.125. In addition, the method provides a perovskite-type composite oxide in which a water-soluble calcium compound is used as the calcium compound, and when the perovskite-type composite oxide is represented by (Ba 1-x Ca x ) m TiO 3 , x is within a range of 0<x≦0.20.

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Номер записи: 12

06-09-2012 дата публикации

Transparent alumina ceramics with oriented grains and preparation method thereof

Номер: US20120223449A1

Автор: Shiwei Wang, Shunzo Shimai, Xiaojian MAO

Принадлежит: Shanghai Institute of Ceramics of CAS

A kind or transparent alumina ceramics is disclosed herein, the optical axes of all or part or the crystal grains of the transparent alumina ceramics are arranged in a direction, which makes the transparent alumina ceramics have orientation.

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Номер записи: 13

13-09-2012 дата публикации

Process for production of scandia-stabilized zirconia sheet, scandia-stabilized zirconia sheet obtained by the process, and scandia-stabilized zirconia sintered powder

Номер: US20120231368A1

Автор: Kazuo Hata, Norikazu Aikawa

Принадлежит: NIPPON SHOKUBAI CO LTD

The process for production of a scandia-stabilized zirconia sheet according to the present invention is characterized in comprising the steps of pulverizing a scandia-stabilized zirconia sintered body to obtain a scandia-stabilized zirconia sintered powder having an average particle diameter (De) determined using a transmission electron microscope of more than 0.3 μm and not more than 1.5 μm, and an average particle diameter (Dr) determined by a laser scattering method of more than 0.3 μm and not more than 3.0 μm, and a ratio (Dr/De) of the average particle diameter determined by the laser scattering method to the average particle diameter determined using the transmission electron microscope of not less than 1.0 and not more than 2.5; preparing a slurry containing the scandia-stabilized zirconia sintered powder and a zirconia unsintered powder, wherein a percentage of the scandia-stabilized zirconia sintered powder to a sum of the scandia-stabilized zirconia sintered powder and the zirconia unsintered powder in the slurry is not less than 2 mass % and not more than 40 mass %; forming the slurry into a greensheet; and sintering the greensheet.

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Номер записи: 14

04-10-2012 дата публикации

Dielectric ceramic composition and ceramic electronic device

Номер: US20120252657A1

Автор: Fumiaki SATOH, Jun Sato, Masakazu Hosono, Saori Takeda

Принадлежит: TDK Corp

A dielectric ceramic composition comprises barium titanate as a main component, and as subcomponents, 1.00 to 2.50 moles of an oxide of Mg, 0.01 to 0.20 mole of an oxide of Mn and/or Cr, 0.03 to 0.15 mole of an oxide of at least one element selected from a group consisting of V, Mo and W, 0.20 to 1.50 mole of an oxide of R1 where R1 is at least one selected from a group consisting of Y and Ho, 0.20 to 1.50 mole of an oxide of R2 where R2 is at least one selected from a group consisting of Eu, Gd and Tb and 0.30 to 1.50 mole of an oxide of Si and/or B, in terms of each oxide with respect to 100 moles of the barium titanate.

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Номер записи: 15

08-11-2012 дата публикации

Refractory carbon-bonded magnesia brick and process for producing it

Номер: US20120280413A1

Автор: Helge Jansen

Принадлежит: Refratechnik Holding GmbH

The disclosure relates to a process for producing a refractory, ceramically fired, carbon-bonded magnesia brick whose matrix is more than 70% by weight, in particular from 80 to 98% by weight, of MgO grains and also a carbon framework binder matrix resulting from carbonization, and pores, wherein the MgO grains are fixed by means of carbon bonding of the carbon framework and at least 30%, in particular from 50 to 100%, of the MgO grains have at least one sintering bridge resulting from the ceramic firing.

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Номер записи: 16

29-11-2012 дата публикации

Alpha-alumina inorganic membrane support and method of making the same

Номер: US20120301666A1

Автор: Adam Kent Collier, Jianguo Wang, Jimmie Lewis Williams, WEI Liu

Принадлежит: Individual

Compositions for making alpha-alumina supports for, for example, inorganic membranes are described. Methods for controlling the alumina and pore former particle sizes and other process variables are described which facilitate desirable porosity, pore distribution and strength characteristics of the resulting alpha-alumina inorganic membrane supports.

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Номер записи: 17

10-01-2013 дата публикации

Process for producing zinc oxide varistor

Номер: US20130011963A1

Автор: Ching-Hohn Lien, Hong-Zong Xu, Jie-An Zhu, Ting-Yi Fang, Xing-Xiang Huang, Zhi-Xian Xu

Принадлежит: SFI Electronics Tech Inc

A process for producing zinc oxide varistors possessed a property of breakdown voltage (V1mA) ranging from 230 to 1,730 V/mm is to perform the doping of zinc oxide and the sintering of zinc oxide grains with a high-impedance sintered powder through two independent procedures, so that the doped zinc oxide and the high-impedance sintered powder are well mixed in a predetermined ratio and then used to make the zinc oxide varistors through conventional technology by low-temperature sintering (lower than 900° C.); the resultant zinc oxide varistors may use pure silver as inner electrode and particularly possess breakdown voltage ranging from 230 to 1,730 V/mm.

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Номер записи: 18

14-03-2013 дата публикации

Process for production of honeycomb structure, honeycomb structure, and particulate filter

Номер: US20130062275A1

Автор: Kentaro Iwasaki, Tetsuro Tohma, Yasuharu Kobashi

Принадлежит: Sumitomo Chemical Co Ltd

A method of manufacturing a honeycomb structure comprises a step of forming a molded article by molding a raw material containing a ceramic powder and a pore-forming agent; and a step of manufacturing a honeycomb structure by sintering the molded article, wherein the pore-forming agent is powder formed of a material that disappears at a sintering temperature or less where the molded article is sintered, the powder is obtained by mixing a small particle size powder and a large particle size powder, a median particle size of which a ratio of a cumulative mass with respect to a total mass of the small particle size powder is 50% is 5 to 20 μm, a median particle size of which a ratio of a cumulative mass with respect to a total mass of the large particle size powder is 50% is 30 μm or more, and a ninety-percentage particle size of which a ratio of a cumulative mass with respect to a total mass of the large particle size powder is 90% is 80 μm or less.

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Номер записи: 19

14-03-2013 дата публикации

Nanostructured dielectric materials for high energy density multilayer ceramic capacitors

Номер: US20130063858A1

Автор: Alan Devoe, Fatih Dogan, Ian Burn

Принадлежит: Alan Devoe, Fatih Dogan, Ian Burn

A multilayer ceramic capacitor, having a plurality of electrode layers and a plurality of substantially titanium dioxide dielectric layers, wherein each respective titanium dioxide dielectric layer is substantially free of porosity, wherein each respective substantially titanium dioxide dielectric layer is positioned between two respective electrode layers, wherein each respective substantially titanium dioxide dielectric layer has an average grain size of between about 200 and about 400 nanometers, wherein each respective substantially titanium dioxide dielectric layer has maximum particle size of less than about 500 nanometers. Typically, each respective substantially titanium dioxide dielectric layer further includes at least one dopant selected from the group including P, V, Nb, Ta, Mo, W, and combinations thereof, and the included dopant is typically present in amounts of less than about 0.01 atomic percent.

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Номер записи: 20

14-03-2013 дата публикации

Oriented Perovskite Oxide Thin Film

Номер: US20130065065A1

Автор: Takaaki Manabe, Tetsuo Tsuchiya, Tomohiko Nakajima

Принадлежит: National Institute of Advanced Industrial Science and Technology AIST

A thin film which comprises an organic metal salt or an an alkoxide salt or an amorphous thin film is formed on a substrate, wherein each of the thin films enables the formation of a Dion-Jacobson perovskite-type metal oxide represented by the composition formula A(B n−1 M n O 3n+1 ) (wherein n is a natural number of 2 or greater; A represents one or more monovalent cations selected from Na, K, Rb and Cs; B comprises one or more components selected from a trivalent rare earth ion, Bi, a divalent alkaline earth metal ion and a monovalent alkali metal ion; and M comprises one or more of Nb and Ta; wherein a solid solution may be formed with Ti and Zr) on a non-oriented substrate. The resulting product is maintained at the temperature between room temperature and 600° C.; and crystallization is achieved while irradiating the amorphous thin film or the thin film comprising the organic metal salt or the alkoxide salt on the substrate with ultraviolet light such as ultraviolet laser. In this manner, it becomes possible to produce an oriented Dion-Jacobson perovskite-type oxide thin film characterized in that thin film can be oriented on the substrate in a (001) direction.

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Номер записи: 21

21-03-2013 дата публикации

Abrasive Grains Based on Zirconia Alumina

Номер: US20130067828A1

Автор: Gebhardt Knuth

Принадлежит: Center for Abrasives and Refractories Research and Development CARRD GmbH

Disclosed herein are abrasive grains based on zirconia alumina melted in an electric arc furnace, comprising a content of 52 to 62 wt % Al 2 0 3 and 35 to 45 wt % ZrO 2 , wherein the high-temperature phases of the zirconia are stabilized by a combination of reduced Ti compounds and yttrium oxide.

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Номер записи: 22

04-04-2013 дата публикации

Dielectric composition and ceramic electronic component including the same

Номер: US20130083450A1

Автор: Chang Hoon Kim, Sang Hoon Kwon, Seok Hyun Yoon, Sun Ho YOON

Принадлежит: Samsung Electro Mechanics Co Ltd

There is provided a dielectric composition including: a base powder; a first accessory component including a content (x) of 0.1 to 1.0 at % of an oxide or a carbonate including transition metals, based on 100 moles of the base powder; a second accessory component including a content (y) of 0.01 to 5.0 at % of an oxide or a carbonate including a fixed valence acceptor element, based on 100 moles of the base powder; a third accessory component including an oxide or a carbonate including a donor element; and a fourth accessory component including a sintering aid.

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Номер записи: 23

02-05-2013 дата публикации

Housing and method for making the same

Номер: US20130108812A1

Автор: yong-gang Zhu

Принадлежит: Fih Hong Kong Ltd, Shenzhen Futaihong Precision Industry Co Ltd

A housing includes a substrate, a base ceramic layer formed on a surface of the substrate, a transparent ceramic layer formed on the base ceramic layer, and a pattern layer formed between the base ceramic layer and the transparent ceramic layer, the pattern layer is a ceramic layer embedded in the base ceramic layer. The housing has an attracting appearance.

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Номер записи: 24

16-05-2013 дата публикации

Electrostatic chuck

Номер: US20130120896A1

Автор: Hiroshi Ono

Принадлежит: Kyocera Corp

There is provided an electrostatic chuck an electrostatic chuck in which it is hard for the power of suppressing residual adsorption to deteriorate over time. There is provided an electrostatic chuck including an insulating substrate, and an adsorption electrode, wherein a region which includes at least an upper face of the insulating substrate containing Mn is made of ceramics containing a first transition element composed of at least one of Fe and Cr, and a ratio C2/C1 of a content C2 (mol) of the first transition element to a content C1 (mol) of Mn contained in the insulating substrate is 1 or more.

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Номер записи: 25

06-06-2013 дата публикации

Semiconductive ceramic sintered compact

Номер: US20130140679A1

Автор: Atsushi Teramoto, Shogo Shimada, Yasutaka Ushijima

Принадлежит: TOTO LTD

There is provided a semiconductive ceramic sintered compact that has a conductivity high enough to attain static electricity removal and antistatic purposes and, at the same time, has excellent mechanical properties or stability over time. The semiconductive ceramic sintered compact includes a main phase and a conductive phase present between the main phases, wherein the main phase is a ceramic sintered phase including Al 2 O 3 particles, the area ratio of the conductive phase to the main phase is 0% (exclusive) to 10% (inclusive), and the conductive phase includes two or more metals selected from Mn (manganese), Fe (iron), and Ti (titanium) and has a composition meeting a relation of Mn/(Ti+Mn+Fe)>0.08 or Mn/Ti>0.15.

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Номер записи: 26

29-08-2013 дата публикации

Preparation method of carbon modified filler

Номер: US20130221266A1

Автор: Changsong Wang, Ke Zhou, Wejun Yao, Xiaohua Lu, Yijun Shi

Принадлежит: Individual

A preparation method of carbon modified filler is provided. The method is: putting the fillers into the reaction zone of a reactor, starting the first heating-up to 400-500° C. under the protective atmosphere at first, then introducing hydrogen after the heating-up; starting the second heating-up to 600-1200° C. after introducing hydrogen and simultaneously introducing the mixture of hydrogen and carbon source gas, keeping at the terminal temperature for 0.1-5 hours, introducing nitrogen and stopping heating after the reaction, cooling, and then getting the carbon modified filler. The above method can obtain a friction material with good mechanical properties, excellent friction and wear performances, stable friction coefficient at high temperature, good braking force and no heat recession.

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Номер записи: 27

19-09-2013 дата публикации

Non-reducible low temperature sinterable dielectric ceramic composition for multi layer ceramic capacitor and manufacturing method thereof

Номер: US20130244857A1

Автор: Byong Chul WOO, Jung Rag Yoon, Young Joo OH

Принадлежит: Samhwa Capacitor Co Ltd

The present invention relates to a dielectric ceramic composition for multilayer ceramic capacitor (MLCC), including a first component of 91 to 98 wt % and a second component of 2 to 9 wt %, wherein the first component includes a main component BaTiO 3 of 94 to 98 wt %, a first subcomponent of 0.5 to 2 wt % including a glass powder having a mesh structure, and a second subcomponent of 1 to 4 wt % including at least one of MgO, Cr 2 O 3 and Mn 3 O 4 , and the second component includes (Ba 1-y-x Ca y Sr x )(Zr y Ti 1-y )O 3 , and x satisfies 0.2≦x≦0.8 and y satisfies 0.03≦y≦0.15.

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Номер записи: 28

26-09-2013 дата публикации

Process for preparing ceramic powders in the presence of a source of carbon, powders thus obtained and their use

Номер: US20130247863A1

Автор: Abdelbast Guerfi, Karim Zaghib, Michel Armand, Patrick Charest

Принадлежит: HYDRO QUEBEC

A method for preparing ceramic powders in the presence of a carbon powder including a step which consists in homogenizing a mixture of particles capable of resulting in a ceramic by heat treatment. Said method can be carried out in the presence of an accelerated solvent and provides, at reduced energy consumption, carbon-coated ceramic powders and then ceramics.

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Номер записи: 29

26-09-2013 дата публикации

Dielectric Ceramic Material and Multilayer Ceramic Capacitor Using the Same

Номер: US20130250482A1

Автор: Jian-Hua Li, Ming-Hua Chen, Sea-Fue Wang, Yuan-Cheng Lai

Принадлежит: Holy Stone Enterprise Co Ltd

A dielectric ceramic material comprises a primary component of barium titanate (BaTiO 3 ) and at least one additive component. The additive component has a mole percentage from 1% to 50% and is selected from the group consisting of lithium tantalite (LiTaO3), barium cerate (BaCeO 3 ), sodium metaniobate (NaNbO 3 ) and the combinations thereof.

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Номер записи: 30

26-09-2013 дата публикации

Reactor Components

Номер: US20130251608A1

Автор: ChangMin Chun, Frank Hershkowitz, Paul F. Keusenkothen, Robert L. Antram

Принадлежит: ExxonMobil Chemical Patents Inc

The present disclosure relates to insulation components and their use, e.g., in regenerative reactors. Specifically, a process and apparatus for managing temperatures from oxidation and pyrolysis reactions in a reactor, e.g., a thermally regeneratating reactor, such as a regenerative, reverse-flow reactor is described in relation to the various reactor components.

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Номер записи: 31

03-10-2013 дата публикации

Ceramic powder and multi-layer ceramic capacitor

Номер: US20130258547A1

Автор: Youichi Mizuno

Принадлежит: TAIYO YUDEN CO LTD

A ceramic powder that contains, as a main composition, barium titanate powder having a perovskite structure with an average particle size (median size) of 200 nm or smaller as measured by SEM observation, wherein the barium titanate powder is such that the percentage of barium titanate particles having twin defects in the barium titanate powder is 13% or more as measured by TEM observation and that its crystal lattice c/a is 1.0080 or more. The ceramic powder has a wide range of optimum sintering temperatures and thus offers excellent productivity and is particularly useful in the formation of thin dielectric layers of 1 μm or less.

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Номер записи: 32

24-10-2013 дата публикации

Process for preparing cellular inorganic monolithic materials and uses of these materials

Номер: US20130277311A1

Автор: Mathieu Destribat, Renal Backov, Véronique Schmitt

Принадлежит: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE CNRS

A process is provided for preparing an inorganic material in the form of an alveolar monolith of a silica matrix where the monolith includes interconnected macropores. The process includes at least one step of mineralizing an oil-in-water emulsion formed from droplets of an oily phase dispersed in a continuous aqueous phase and in which colloidal solid particles are present at the interface formed between the continuous aqueous phase and the dispersed droplets of oily phase. Such materials obtained according to this process may be used, especially for separative chemistry and filtration, for performing chemical reactions catalysed in heterogeneous phase, as thermal or phonic insulators, or as templates for manufacturing controlled-porosity carbon skeletons.

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Номер записи: 33

21-11-2013 дата публикации

Alumina sintered body, abrasive grains, and grindstone

Номер: US20130305616A1

Автор: Hirokazu Miyazawa, Shinichiro Tomikawa, Takeshi Iemura

Принадлежит: Showa Denko KK

Provided are an alumina sintered compact containing a titanium compound and an iron compound, wherein FeTiAlO 5 grains exist in the grain boundary of the alumina grains and the mean grain size of the FeTiAlO 5 grains is from 3.4 to 7.0 μm; and an abrasive grain and a grain stone using the alumina sintered compact.

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Номер записи: 34

28-11-2013 дата публикации

Alumina sintered body, abrasive grains, and grindstone

Номер: US20130312336A1

Автор: Hirokazu Miyazawa, Shinichiro Tomikawa, Takeshi Iemura

Принадлежит: Showa Denko KK

Provided are an alumina sintered compact containing a titanium compound and an iron compound, wherein the total amount of the TiO 2 -equivalent content of the titanium compound, the Fe 2 O 3 -equivalent content of the iron compound and the alumina content is at least 98% by mass, the total amount of the TiO 2 -equivalent content of the titanium compound and the Fe 2 O 3 -equivalent content of the iron compound is from 5 to 13% by mass, and the ratio by mass of the TiO 2 -equivalent content of the titanium compound to the Fe 2 O 3 -equivalent content of the iron compound (TiO 2 /Fe 2 O 3 ) is from 0.85/1.15 to 1.15/0.85; and an abrasive grain and a grain stone using the alumina sintered compact.

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Номер записи: 35

05-12-2013 дата публикации

Translucent polycrystalline material and manufacturing method thereof

Номер: US20130320277A1

Автор: Jun Akiyama, Shigeo Asai, Takunori Taira

Принадлежит: Genesis Research Institute Inc, Inter University Research Institute Corp National Institute of Natural Sciences, Toyota Motor Corp

Provided is a method for manufacturing a translucent polycrystalline material with optical properties continuously varying in the material. A slurry including single crystal grains that are acted upon by a force when placed in a magnetic field is immobilized in a gradient magnetic field with a spatially varying magnetic flux density and then sintered. For example, where a slurry including single crystal grains of YAG doped with Er and single crystal grains of YAG undoped with a rare earth material is immobilized in the gradient magnetic field, the region with a strong magnetic field becomes a laser oscillation region that is rich in Er-doped YAG, whereas the region with a weak magnetic field becomes a translucent region rich in YAG undoped with a rare earth material. A polycrystalline material having a core with laser oscillations and a guide surrounding the core are obtained at once.

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Номер записи: 36

19-12-2013 дата публикации

Piezoelectric material, piezoelectric element, liquid discharge head, ultrasonic motor, and dust removing device

Номер: US20130335488A1

Автор: Nobuhiro Kumada, Shunsuke Murakami, Takayuki Watanabe

Принадлежит: Canon Inc, University of Yamanashi NUC

Provided is a piezoelectric material which has satisfactory insulation property and piezoelectric property and which does not contain lead and potassium. The piezoelectric material includes a perovskite-type metal oxide that is represented by the following general formula (1): (Na x Ba 1-y )(Nb y Ti 1-y )O 3 General formula (1) where relationships of 0.80≦x≦0.95 and 0.85≦y≦0.95 are satisfied, and y×0.05 mol % or more to y×2 mol % or less of copper with respect to 1 mol of the perovskite-type metal oxide.

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Номер записи: 37

06-03-2014 дата публикации

Calcium titanate containing mold compositions and methods for casting titanium and titanium aluminide alloys

Номер: US20140060767A1

Автор: Bernard Patrick Bewlay, Brian Michael Ellis, Joan McKIEVER, Nicholas Vincent Mclasky

Принадлежит: General Electric Co

The disclosure relates generally to mold compositions comprising calcium aluminate and calcium titanate. The disclosure also relates to methods of molding and the articles so molded using the mold compositions. More specifically, the disclosure relates to calcium aluminate/calcium titanate mold compositions and methods for casting titanium-containing articles, and the titanium-containing articles so molded.

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Номер записи: 38

06-03-2014 дата публикации

Honeycomb structure

Номер: US20140065350A1

Автор: Kentaro Iwasaki, Tetsuro Tohma, Yasuharu Kobashi

Принадлежит: Sumitomo Chemical Co Ltd

A honeycomb structure 100 has a plurality of flow paths 110 a and 110 b which are partitioned by partition walls 120 and are substantially parallel to each other; and one end of the flow path 110 a is plugged by a plugging part 130 at one end surface 100 a of the honeycomb structure 100 , and one end of the flow path 110 b is plugged by a plugging part 130 at the other end surface 100 b of the honeycomb structure 100 , wherein, in an image of the partition walls 120 obtained by X-ray CT measurement, when the number of communicating holes detected when resolution of the image is 1.5 μm/pixel is defined as X, and the number of communicating holes detected when resolution of the image is 2.5 μam/pixel is defined as Y, Y/X is 0.58 or more.

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Номер записи: 39

06-03-2014 дата публикации

Coatings for dissipating vibration-induced stresses in components and components provided therewith

Номер: US20140065433A1

Автор: John McConnell Delvaux, Yuk-Chiu Lau

Принадлежит: General Electric Co

A coating material suitable for use in high temperature environments and capable of providing a damping effect to a component subjected to vibration-induced stresses. The coating material defines a damping coating layer of a coating system that lies on and contacts a substrate of a component and defines an outermost surface of the component. The coating system includes at least a second coating layer contacted by the damping coating layer. The damping coating layer contains a ferroelastic ceramic composition having a tetragonality ratio, c/a, of greater than 1 to 1.02, where “c” is a c axis of a unit cell of the ferroelastic ceramic composition and “a” is either of two orthogonal axes, a and b, of the ferroelastic ceramic composition.

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Номер записи: 40

20-03-2014 дата публикации

Alkali niobate-based piezoelectric material and a method for making the same

Номер: US20140077119A1

Автор: Akihiro Mitani, Ryosuke Kobayashi, Yoshinari Oba

Принадлежит: FDK Corp

An alkali niobate-based piezoelectric material having the general formula {(K 1-a Na a ) 1-b Li b }(Nb 1-c-d Ta c Sb d )O 3 +x mol % Ba n TiO 3 +y mol % CuO, where 0≦a≦0.9, 0≦b≦0.3, 0<c≦0.5, 0≦d≦0.1, 0.5≦x≦10.0, 0.1≦y≦8.0, and 0.9≦n≦1.2.

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Номер записи: 41

03-04-2014 дата публикации

Method of forming ceramic articles from recycled aluminosilicates

Номер: US20140094358A1

Автор: Sandor Koszo

Принадлежит: VECOR IP HOLDINGS LTD

The present invention relates to a process of forming ceramic articles that contain a high percentage of recycled alumina silicate in their composition. The fabrication process includes a fusing of the base material forming a reticulated network that is in-filled with a melted additive composition. The base material gives the article dimensional stability and strength while the additive composition gives the article water resistance and toughness In this invention, an additive powder with an engineered melting temperature is added to the recycled base material. The mixture is heated until the recycled aluminosilicate reaches the optimal fusing temperature. Heating is continued until the additive begins to melt filling the voids between the fused aluminosilicates particles. The article is then rapidly cooled to quench the fusing without cracking. The resulting article has high strength due to the fused alumina silicate particles and low water absorbance and high density due to the melted additive component filling all the pores between the fused alumina silicate particles.

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Номер записи: 42

06-01-2022 дата публикации

SINTERED FRICTION MATERIAL AND METHOD FOR PRODUCING SINTERED FRICTION MATERIAL

Номер: US20220003290A1

Автор: Kato Masanori, NIHEI Marina, ONODERA Katsuhiro, TAKADA Eri, Takahashi Hideaki, UENO Atsushi

Принадлежит: AKEBONO BRAKE INDUSTRY CO., LTD.

A sintered friction material, in which a content of a copper component is 0.5 mass % or less, is provided. The sintered friction material includes a titanate and a metal material other than copper, as a matrix. A content of the metal material other than copper is 10.0 volume % to 34.0 volume %. A method for manufacturing a sintered friction material is provided. The method includes a mixing step of mixing raw materials containing a titanate and a metal material other than copper, a molding step of molding the raw materials mixed in the mixing step, and a sintering step of sintering, at 900° C. to 1300° C., a molded product molded in the molding step. In the sintered friction material, the titanate and the metal material other than copper form a matrix, and a content of the metal material other than copper is 10.0 volume % to 34.0 volume %. 1. A sintered friction material , in which a content of a copper component is 0.5 mass % or less , comprising:a titanate and a metal material other than copper, as a matrix, whereina content of the metal material other than copper is 10.0 volume % to 34.0 volume %.2. The sintered friction material according to claim 1 , whereinthe titanate contains at least one salt selected from a group consisting of an alkali metal titanate, an alkaline earth metal titanate, and a titanate complex.3. The sintered friction material according to claim 1 , whereinthe titanate contains at least one salt selected from a group consisting of potassium titanate, sodium titanate, calcium titanate, lithium potassium titanate, and potassium magnesium titanate.4. The sintered friction material according to claim 1 , whereinthe metal material other than copper contains an iron-based material, and a content of the iron-based material is 8.0 volume % to 32.0 volume %.5. The sintered friction material according to any one of claim 1 , whereinthe metal material other than copper further contains tungsten, and a content of tungsten is 1.0 volume % to 15.0 volume ...

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Номер записи: 43

07-01-2021 дата публикации

REFRACTORY COMPOSITIONS AND IN SITU ANTI-OXIDATION BARRIER LAYERS

Номер: US20210002176A1

Автор: Maddalena Roger L, Mohanty Beda, Schaner Daniel T

Принадлежит: VESUVIUS USA CORPORATION

A refractory composition for forming a working lining in a metallurgical vessel contains a coarse-grain refractory particle fraction and a fine-grain refractory particle fraction, or at least 0.25% additive calcium oxide, or at least 0.25% titanium dioxide. The coarse-grain refractory particles can include alumina particles, magnesia particles, magnesium aluminate spinel particles, zirconia particles, or doloma particles, or a combination of any of these particles. The fine-grain refractory particles can be comprised of any low-magnesia refractory oxide. The refractory composition can be applied to a metallurgical vessel by spraying, gunning, shotcreting, vibrating, casting, troweling, or positioning preformed refractory shapes, or a combination of any of these techniques. When contacted by molten metal, the molten metal penetrates into the refractory material, wetting the coarse-grain refractory particles, and forming a refractory-metal composite barrier layer that decreases or blocks oxygen transport through the refractory lining. 123-. (canceled)25. The refractory composition of claim 24 , comprising claim 24 , in percent by total mass of the refractory composition:at least 50.0% coarse-grain refractory particles; andat least 25.0% low-magnesia oxide, fine-grain refractory particles.26. The refractory composition of claim 24 , wherein the coarse-grain refractory particles are essentially free of silica.27. The refractory composition of claim 24 , wherein the composition is essentially free of iron oxide.28. The refractory composition of claim 24 , wherein the coarse-grain refractory particles are essentially free of calcium oxide claim 24 , olivine claim 24 , and silica.29. The refractory composition of claim 24 , wherein the coarse-grain refractory particles comprise alumina particles having a particle size of at least 300 micrometers (+48 mesh).30. The refractory composition of claim 24 , comprising claim 24 , in percent by total mass of the refractory ...

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Номер записи: 44

07-01-2016 дата публикации

Dielectric ceramic composition and composite ceramic structure

Номер: US20160002114A1

Автор: Masashi Goto, Yoshimasa Kobayashi

Принадлежит: NGK Insulators Ltd

Strontium titanate (SrTiO 3 ) and barium zirconate (BaZrO 3 ) are made into a solid solution at a predetermined ratio. Specifically, a dielectric ceramic composition is represented by a basic composition (SrTiO 3 ) (1-x) (BaZrO 3 ) x (in the formula, X satisfies 0.63≦X≦0.95). More preferably, X satisfies 0.67≦X≦0.90 in this range. Such a dielectric ceramic composition may be integrated with alumina to form a composite ceramic structure.

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Номер записи: 45

05-01-2017 дата публикации

Mn AND Nb CO-DOPED PZT-BASED PIEZOELECTRIC FILM

Номер: US20170001912A1

Автор: Hideaki Sakurai, Nobuyuki Soyama, Toshihiro Doi

Принадлежит: Mitsubishi Materials Corp

A Mn and Nb co-doped PZT-based piezoelectric film formed of Mn and Nb co-doped composite metal oxides is provided, in which a metal atom ratio (Pb:Mn:Nb:Zr:Ti) in the film satisfies (0.98 to 1.12):(0.002 to 0.056):(0.002 to 0.056):(0.40 to 0.60):(0.40 to 0.60), a rate of Mn is from 0.20 to 0.80 when the total of metal atom rates of Mn and Nb is 1, a rate of Zr is from 0.40 to 0.60 when the total of metal atom rates of Zr and Ti is 1, and the total rate of Zr and Ti is from 0.9300 to 0.9902 when the total of metal atom rates of Mn, Nb, Zr, and Ti is 1.

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Номер записи: 46

04-01-2018 дата публикации

Method of manufacturing micronized sandstone obtained from ceramics or industrial wastes of ceramic manufacturing containing TiO2 bio-additive, and product thereof

Номер: US20180002234A1

Автор: GASSI ANGELO

Принадлежит:

The present invention discloses a method of manufacturing micronized sandstone obtained from ceramics or industrial wastes of ceramic manufacturing, such as white paste, natural stones or clinker, including TiOas bio-additive, and product obtained by the micronized sandstone thereof. The ceramics and industrial wastes of ceramic are grinded in several steps and the resultant powders are collected by means of individual filters and further combined in a nanopowder micronizer for posterior treatment, where TiOhydrolyzed can be optionally added. This micronized sandstone comprising the bio-additive TiOis used in the production of plasters, mortars, grouts and/or as additive for paints and/or epoxy enriched with TiO. The micronized sandstone bio-additive with TiOcan be additionally subjected to two optional embodiments of the invention: treatment with or without the use of a pigment. In order to obtain the final product that can be used in the production of blocks, floors and other products of various sizes, an agglomerating agent combined with TiOis added to the micronized sandstone comprising the bio-additive TiO, either in an aqueous solution or as a dry product, optionally including colored oxides. 1. Method of manufacturing micronized sandstone obtained from ceramics or industrial waste of ceramics manufacturing containing TiObio-additive , characterized by comprising the steps of:{'b': 1', '2', '3, 'a. grinding the ceramics or ceramic waste in several mills/grinders (, , ),'}{'b': '4', 'b. obtaining the micronized sandstone () by passing the grinded ceramic material into a micronizer,'}{'b': 5', '4, 'c. adding pigments or colored oxides () to the micronized powder thereof (),'}{'b': 5', '5, 'sub': '2', 'i': 'b', 'd. processing the micronized colored powder () with a hydrolyzed solution of TiO(),'}{'b': 1', '1, 'sub': '2', 'e. drying (S) the micronized colored sandstone comprising TiOadditive (P)'}{'b': '1', 'sub': '2', 'f. mixing the obtained product (P) with an ...

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Номер записи: 47

04-01-2018 дата публикации

ZIRCONIA COMPOSITION, ZIRCONIA SEMI-SINTERED BODY AND ZIRCONIA SINTERED BODY, AS WELL AS DENTAL PRODUCT

Номер: US20180002235A1

Автор: ITO Yoshihisa, KUDO Yasutaka

Принадлежит: KURARAY NORITAKE DENTAL INC.

There are provided zirconia composition, zirconia semi-sintered body and zirconia sintered body, and dental product in which defect-generation is suppressed and transparency varies. The zirconia sintered body contains 4 mol % to 7 mol % of yttria as stabilizer. The zirconia sintered body contains shielding material. The zirconia sintered body comprises first region and second region having a higher content ratio of the shielding material than the first region. Difference between content ratio of yttria in the first region and that of yttria in the second region is 1 mol % or less. 1. A partially stabilized zirconia sintered body , comprising 4 mol % to 7 mol % of yttria as a stabilizer ,whereinthe zirconia sintered body comprises a light shielding material,the zirconia sintered body has a first region, and a second region having a higher content ratio of the light shielding material than the first region, anda difference between a content ratio of yttria in the first region and a content ratio of yttria in the second region is 1 mol % or less.2. The zirconia sintered body according to claim 1 , wherein:L * value of color degree in L * a * b * color system measured on white background is defined as first L * value,L * value of color degree in L * a * b * color system measured on black background is defined as second L * value, andin a case where a value calculated by subtracting the second L * value from the first L * value is defined as ΔL , ΔL of the first region is larger than ΔL of the second region.3. The zirconia sintered body according to claim 2 , wherein ΔL of the first region is by 0.8 or more larger than ΔL of the second region.4. The zirconia sintered body according to claim 2 , wherein ΔL of the first region is 8 to 12 and ΔL of the second region is 4 to 11.5. The zirconia sintered body according to claim 2 , wherein ΔL of the second region is 7.5 or less.6. The zirconia sintered body according to claim 2 , wherein the first region and the second region ...

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Номер записи: 48

02-01-2020 дата публикации

CYLINDRICAL TITANIUM OXIDE SPUTTERING TARGET AND PROCESS FOR MANUFACTURING THE SAME

Номер: US20200002235A1

Автор: SCHLOTT Martin, SCHULTHEIS Markus, SIMONS Christoph

Принадлежит:

Known cylindrical sputtering targets comprise a substrate and a target material that forms a layer on the substrate, said layer has a thickness d, wherein the target material comprises TiOx as the main component, and x is within a range of 1 Подробнее

Номер записи: 49

03-01-2019 дата публикации

IMPROVED PROCESS FOR PRODUCING SILICA AEROGEL THERMAL INSULATION PRODUCT WITH INCREASED EFFICIENCY

Номер: US20190002356A1

Автор: HEBALKAR Neha Yeshwanta

Принадлежит:

The invention relates to an improved method for producing silica aerogel in pure and flexible sheet form having effective suppression of radiative heat transport at high temperatures and increased thermal insulation property. The suppression of radiative heat transport was achieved by in-situ production of titanium dioxide nanoparticles in very minor concentrations during gelation of silica precursor, with nanoporous surface area more than 300 m2/g and acts as an infra red reflecting agent. When aerogel is subjected to heat during hot object insulation, it automatically turn into infra red reflecting material. Said silica aerogel can be incorporated into the inorganic fibre mat matrix individually or into two or more layers with organic sponge sheet placed in between and stitched together to form a sandwich sheet to form highly insulating flexible sheet. 118.-. (canceled)19. A method for preparation of a silica aerogel thermal insulation product , the method comprising:(a) preparing a hydro-alcoholic solution containing at least one alkali;(b) adding a solution of a metal oxide precursor to the hydro-alcoholic solution to form a dispersion effecting in-situ formation and precipitation of nanoparticles of at least one metal oxide, wherein the metal oxide precursor comprises one or more metals selected from the group consisting of iron, manganese, magnesium, zirconium, zinc, chromium, cobalt, titanium, tin, and indium;(c) mixing at least one silica precursor with the dispersion to form a first mixture;(d) stirring the first mixture to obtain a viscous mixture with the nanoparticles entrapped therewithin;(e) aging the viscous mixture to form an aged viscous mixture; and(f) effecting supercritical drying of the aged viscous mixture, to obtain the silica aerogel thermal insulation product.20. The method of claim 19 , wherein the at least one silica precursor is selected from the group consisting of tetraethylorthosilicate claim 19 , tetramethylorthosilicate claim 19 , ...

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Номер записи: 50

03-01-2019 дата публикации

INCREASED RESONANT FREQUENCY ALKALI-DOPED Y-PHASE HEXAGONAL FERRITES

Номер: US20190006067A1

Автор: Hill Michael David

Принадлежит:

Disclosed herein are embodiments of an enhanced resonant frequency hexagonal ferrite material, such as Y-phase hexagonal ferrite material, and methods of manufacturing. In some embodiments, sodium or potassium can be added into the crystal structure of the hexagonal ferrite material in order to achieve improved resonant frequencies in the range of 500 MHz to 1 GHz useful for radiofrequency applications. 1. (canceled)2. A method for increasing the resonant frequency of a hexagonal ferrite material , the method comprising:providing a Y phase hexagonal ferrite material having a strontium site and a crystal structure of an intergrowth between a magnetoplumbite and a spinel crystal structure;doping the Y phase hexagonal ferrite material with sodium, potassium, or other univalent alkali metal on the strontium site; anddoping the Y phase hexagonal ferrite material with scandium or indium for charge compensating with the sodium, potassium, or other univalent alkali metal to form a doped Y phase hexagonal ferrite material.3. The method of claim 2 , wherein the Y phase hexagonal ferrite material includes Sr claim 2 , a metal claim 2 , Fe claim 2 , and O.4. The method of claim 3 , wherein the metal is Co.5. The method of claim 3 , wherein aluminum is added into the crystal structure of the Y phase hexagonal ferrite material to replace the Fe.6. The method of claim 5 , wherein the doped Y phase hexagonal ferrite material has a composition SrCoFeAlOor Sr(K claim 5 ,Na)CoMFeAlO claim 5 , M being the scandium or the indium.7. The method of claim 6 , wherein the doped Y phase hexagonal ferrite material has the composition SrNaCoScFeAlOor SrNaCoScFeAlO.8. The method of claim 2 , wherein the indium or the scandium are located on a cobalt site of the Y phase hexagonal ferrite material.9. The method of claim 2 , further including adding silica into the crystal structure of the Y phase hexagonal ferrite material.10. The method of claim 2 , further including adding silicon into the ...

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Номер записи: 51

03-01-2019 дата публикации

PRODUCTION OF LEAD-FREE PIEZOCERAMICS IN AQUEOUS SURROUNDINGS

Номер: US20190006578A1

Автор: ASSMANN Friederike, EINHELLINGER-MÜLLER Tanja, SCHREINER Hans-Jürgen

Принадлежит:

The invention relates to a method for producing ceramics having piezoelectric properties in predominantly aqueous suspending agents. 1. A method for producing a ceramic having piezoelectric properties , wherein predominantly aqueous suspending agents are used.2. The method for producing a ceramic having piezoelectric properties according to claim 1 , wherein claim 1 , in a first method step claim 1 , the raw materials are mixed in predominantly aqueous suspending agents and are milled claim 1 , wherein a suspension having isotropic distribution is created.3. The method for producing a ceramic having piezoelectric properties according to claim 2 , wherein the isotropic distribution of the suspension is fixed in the subsequent method step.4. The method for producing a ceramic having piezoelectric properties according to claim 3 , wherein the fixing of the isotropic distribution takes place by freezing of the suspension.5. The method for producing a ceramic having piezoelectric properties according to claim 4 , wherein the freezing takes place in a liquid claim 4 , solid or gaseous freezing medium.6. The method for producing a ceramic having piezoelectric properties according to claim 5 , wherein the temperature of the freezing medium is below the melting temperature of the suspension claim 5 , and preferably far below the melting temperature.7. The method for producing a ceramic having piezoelectric properties according to claim 6 , wherein the suspension is flash-frozen.8. The method for producing a ceramic having piezoelectric properties according to claim 5 , wherein the freezing medium is selected from the group consisting of liquid or gaseous nitrogen claim 5 , liquid or gaseous air claim 5 , liquid or gaseous oxygen claim 5 , or other liquid or gaseous organic or inorganic media.9. The method for producing a ceramic having piezoelectric properties according to claim 4 , wherein the freezing takes place by way of injection into a freezing medium claim 4 , whereby ...

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Номер записи: 52

08-01-2015 дата публикации

HONEYCOMB SHAPED POROUS CERAMIC BODY, MANUFACTURING METHOD FOR SAME, AND HONEYCOMB SHAPED CERAMIC SEPARATION MEMBRANE STRUCTURE

Номер: US20150008178A1

Автор: Ichikawa Makiko, Miyahara Makoto, SUZUKI Hideyuki, TERANISHI Makoto, UCHIKAWA Tetsuya, YAJIMA Kenji

Принадлежит:

There are disclosed a honeycomb shaped porous ceramic body to manufacture a honeycomb shaped ceramic separation membrane structure in which a separation performance does not deteriorate under a higher operation pressure than before, a manufacturing method for the porous body, and a honeycomb shaped ceramic separation membrane structure. The honeycomb shaped ceramic separation membrane structure includes a honeycomb shaped substrate , an intermediate layer , an alumina surface layer , and a separation layer . The structure has the alumina surface layer on the intermediate layer , whereby even when the insides of the cells are pressurized, cracks are not easily generated in a porous body or the separation layer and the deterioration of the separation performance does not easily occur. 1. A honeycomb shaped porous ceramic body comprising:a honeycomb shaped substrate which has partition walls made of a porous ceramic material provided with a large number of pores and in which there are formed a plurality of cells to become through channels of a fluid passing through the porous ceramic body by the partition walls;an intermediate layer which is made of a porous ceramic material provided with a large number of pores and having an average pore diameter smaller than that of the surface of the substrate and which is disposed at the surface of the substrate; andan alumina-containing alumina surface layer at the outermost surface of the intermediate layer.2. The honeycomb shaped porous ceramic body according to claim 1 ,wherein the alumina surface layer is formed of alumina particles having particle diameters of 0.4 to 3 μm.3. The honeycomb shaped porous ceramic body according to claim 1 ,wherein the alumina surface layer includes a magnesium component.4. The honeycomb shaped porous ceramic body according to claim 2 ,wherein the alumina surface layer includes a magnesium component.5. The honeycomb shaped porous ceramic body according to claim 1 ,wherein the alumina surface ...

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Номер записи: 53

12-01-2017 дата публикации

MONOLITHIC SEPARATION MEMBRANE STRUCTURE

Номер: US20170007967A1

Автор: Katsu Masanori, KUWAMOTO Ken, MUTOH Kenji, SUZUKI Hideyuki, TERANISHI Makoto

Принадлежит: NGK Insulators, Ltd.

A monolithic separation membrane structure () comprises a base material layer () and a first filtration layer (). The first filtration layer () contains an aggregate material having a principal component of alumina and an inorganic binder having a principal component of titania. The thickness of the first filtration layer () is less than 150 micrometers. 1. A monolithic separation membrane structure comprising:a base material layer composed of a porous material and including a plurality of through holes, anda tubular first filtration layer formed on an inner surface of the plurality of through holes, whereinthe first filtration layer contains an aggregate material having a principal component of alumina and an inorganic binder having a principal component of titania, andthe thickness of the first filtration layer is less than 150 micrometers.2. The monolithic separation membrane structure according to claim 1 , further comprising:a tubular second filtration layer formed on an inner surface of the first filtration layer, whereinthe second filtration layer contains an aggregate material having a principal component of titania.3. The monolithic separation membrane structure according to claim 1 , whereinthe base material layer contains an aggregate material having a principal component of alumina and an inorganic binder having a principal component of glass.4. The monolithic separation membrane structure according to claim 3 , whereinan average pore diameter of the first filtration layer is smaller than an average pore diameter of the base material layer.5. The monolithic separation membrane structure according to claim 2 , whereinthe base material layer contains an aggregate material having a principal component of alumina and an inorganic binder having a principal component of glass. The present invention relates to a monolithic separation membrane structure.A monolithic separation membrane structure is known which includes a base material layer that has a plurality ...

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Номер записи: 54

12-01-2017 дата публикации

DIELECTRIC CERAMIC COMPOSITION AND MULTILAYER CERAMIC CAPACITOR CONTAINING THE SAME

Номер: US20170008806A1

Автор: JEON Song Je, JO Soo Kyong, KIM Chang Hoon, Park Yun Jung, Yoon Seok Hyun

Принадлежит:

There are provided a dielectric ceramic composition and a multilayer ceramic capacitor containing the same. The dielectric ceramic composition may contain a base material powder represented by (CaSr)(ZrTi)O(0≦x≦1.0 and 0.3≦y≦0.8). A multilayer ceramic capacitor may include a ceramic body in which dielectric layers and first and second internal electrodes are alternately stacked, wherein the dielectric layers contain a dielectric ceramic composition containing a base material powder represented by (CaSr)(ZrTi)O(0≦x≦1.0 and 0.3≦y≦0.8). 1. A dielectric ceramic composition comprising a base material powder represented by (CaSr)(ZrTi)O(0≦x≦1.0 and 0.3≦y≦0.8).2. The dielectric ceramic composition of claim 1 , further comprising 0.2 to 4.0 at % of a first accessory ingredient including at least one of Mn claim 1 , V claim 1 , Cr claim 1 , Fe claim 1 , Ni claim 1 , Co claim 1 , Cu claim 1 , and Zn claim 1 , based on 100 at % of the base material powder.3. The dielectric ceramic composition of claim 2 , wherein the first accessory ingredient includes oxide or carbonate.4. The dielectric ceramic composition of claim 1 , further comprising 4.0 at % or less of a second accessory ingredient including at least one of Y claim 1 , Dy claim 1 , Ho claim 1 , La claim 1 , Ce claim 1 , Nd claim 1 , Sm claim 1 , Gd claim 1 , and Er claim 1 , based on 100 at % of the base material powder.5. The dielectric ceramic composition of claim 4 , wherein the second accessory ingredient includes oxide or carbonate.6. The dielectric ceramic composition of claim 1 , further comprising 0.5 to 4.0 at % of a third accessory ingredient including Si claim 1 , based on 100 at % of the base material powder.7. The dielectric ceramic composition of claim 6 , wherein the third accessory ingredient includes oxide claim 6 , carbonate claim 6 , or glass compound.8. The dielectric ceramic composition of claim 1 , wherein a permittivity of the dielectric ceramic composition is constant with a variable electric ...

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Номер записи: 55

09-01-2020 дата публикации

LITHIUM-MIXED OXIDE PARTICLES ENCAPSULATED IN ALUMINUM OXIDE AND TITANIUM DIOXIDE, AND METHOD FOR USING SAME

Номер: US20200010367A1

Автор: Esken Daniel, HOFMANN Christian

Принадлежит: EVONIK DEGUSSA GmbH

Process for producing coated mixed lithium oxide particles, in which mixed lithium oxide particles and a mixture comprising aluminium oxide and titanium dioxide are subjected to dry mixing by means of a mixing unit having a specific power of 0.1-1 kW per kg of mixed lithium oxide particles and mixture used, in total, under shearing conditions. 115-. (canceled)16. A process for producing coated mixed lithium oxide particles , comprising dry mixing: a) mixed lithium oxide particles , and b) a mixture comprising aluminium oxide and titanium dioxide; using a mixing unit having a specific power of 0.1-1 kW per kg of mixed lithium oxide particles and mixture used , in total , under shearing conditions.17. The process of claim 16 , wherein the power of the mixing unit is 0.1-1000 kW.18. The process of claim 16 , wherein the volume of the mixing unit used is 11 to 2.5 m.19. The process of claim 16 , wherein the speed of the mixing tool is 10-30 ms.20. The process of claim 16 , wherein the duration of mixing is 0.1 to 120 minutes.21. The process of claim 16 , wherein the weight ratio of aluminium oxide to titanium dioxide is 10:90-90:10.22. The process of claim 16 , wherein aluminium oxide particles having a BET surface area of at least 115 m/g are used.23. The process of claim 16 , wherein the aluminium oxide particles are selected from the group consisting of γ- claim 16 , θ- claim 16 , δ-aluminium oxide and mixtures of these.24. The process of claim 16 , wherein titanium dioxide particles having a BET surface area of at least 40 m/g are used.25. The process of claim 16 , wherein the BET surface area of the aluminium oxide particles used is greater than that of the titanium dioxide particles used.26. The process of claim 16 , wherein the aluminium oxide particles and titanium dioxide particles are each in the form of aggregated primary particles.27. The process of claims 16 , wherein the mixed lithium oxide particles are selected from the group consisting of lithium-cobalt ...

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Номер записи: 56

09-01-2020 дата публикации

CERAMIC MATERIAL COMPRISING A PSEUDO-CUBIC PHASE, A PROCESS FOR PREPARING AND USES OF THE SAME

Номер: US20200010370A1

Автор: CANN David, GIBBONS Brady, Mardilovich Peter

Принадлежит:

The present invention relates to a bismuth-based solid solution ceramic material, as well as a process for preparing the ceramic material and uses thereof, particularly in an actuator component employed, for example, in a droplet deposition apparatus. In particular, the present invention relates to a ceramic material having a general chemical formula (I): (I): x(BiNa)TiO-y(BiK)TiO-zSrHfO-zSrZrO, wherein x+y+Z+Z=1; y, (z+z)≠0; x≥0. In embodiments, the present invention also relates to a ceramic material having a general chemical formula (II): x(Bi0.5Na0.5)TiO3-y(Bi0.5K0.5)TiO3-y(Bi0.5K0.5)TiO3-ZiSrHfO3-z2SrZrO3, wherein x+y +z-i+z2=1; x, y, fa+z2)≠0; as well as a ceramic material of general formula (III): y(BiK)TiO-zSrHfO-zSrZrO, wherein y+z,+z=1; y, (z+z)≠0. 1. A ceramic material having a general chemical formula (I):{'br': None, 'sub': 0.5', '0.5', '3', '0.5', '0.5', '3', '1', '3', '2', '3, 'x(BiNa)TiOy(BiK)TiO-zSrHfO-zSrZrO\u2003\u2003(I)wherein:{'sub': 1', '2, 'x+y+z+z=1;'}{'sub': 1', '2, 'y and (z+z) are different from 0;'}x≥0; andthe ceramic material comprises a major portion of a pseudo-cubic phase having at least one of an axial ratio c/a of from 0.995 to 1.005 or a rhombohedral angle of 90±0.5 degrees and wherein the ceramic material is capable of undergoing a field induced reversible transition from the pseudo-cubic phase to a tetragonal phase having an axial ratio c/a of between 1.005 and 1.02.2. (canceled)3. (canceled)4. The ceramic material of claim 1 , wherein both zand zare different from zero.5. The ceramic material of claim 1 , wherein 0.25≤x≤0.65.6. The ceramic material of claim 1 , wherein 0.25≤y≤0.75.7. The ceramic material of claim 1 , wherein 0.01≤(z+z)≤0.15.8. The ceramic material of claim 1 , wherein:0.40≤x≤0.50;0.40≤y≤0.50; and{'sub': 1', '2, '0.02≤(z+z)≤0.10.'}9. The ceramic material of claim 1 , whereinx=0;10. (canceled)11. (canceled)12. The ceramic material of claim 9 , wherein 0.75≤y≤0.99.13. The ceramic material of claim 9 , wherein 0.01 ...

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Номер записи: 57

12-01-2017 дата публикации

Dielectric ceramic composition and multilayer ceramic capacitor containing the same

Номер: US20170011851A1

Автор: Chan Hee Nam, Dong Hun Kim, Jung Deok PARK, Jung Wook Seo, Seok Hyun Yoon, Sung Kwon Wi

Принадлежит: Samsung Electro Mechanics Co Ltd

A dielectric ceramic composition and a multilayer ceramic capacitor containing the same are provided. The dielectric ceramic composition contains a base material powder represented by (1−x)BaTiO 3 −xPbTiO 3 containing a first main ingredient represented by BaTiO 3 and a second main ingredient represented by PbTiO 3 , wherein x satisfies 0.0025≦x≦0.4. The multilayer ceramic capacitor includes a ceramic body in which dielectric layers containing the dielectric ceramic composition are alternately stacked with first and second internal electrodes, and first and second external electrodes formed on both end portions of the ceramic body and respectively electrically connected to the first and second internal electrodes.

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Номер записи: 58

10-01-2019 дата публикации

Dielectric Ceramic Composition, Method for the Production and Use Thereof

Номер: US20190013149A1

Автор: Pavol Dudesek

Принадлежит: TDK Electronics AG

A dielectric ceramic composition, a method for producing a dieelctric composition and the use of the dielectric composition are disclosed. In an embodiment a ceramic composition includes a main component with a quantity ratio Mg(1+x)(1−y)O3+xA(1+x)ySi(1−z)Dz and a remainder comprising contaminants, wherein 0.01×0.30, wherein 0.00≤y≤0.20, and wherein 0.00≤z≤1.00.

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Номер записи: 59

03-02-2022 дата публикации

METHOD FOR MATERIAL ADDITIVE MANUFACTURING OF AN INORGANIC FILTER SUPPORT AND RESULTING MEMBRANE

Номер: US20220032499A1

Автор: ANQUETIL Jérôme, Lescoche Philippe

Принадлежит: TECHNOLOGIES AVANCEES ET MEMBRANES INDUSTRIELLES

The present invention relates to a method for manufacturing at least one monolithic inorganic porous support () having a porosity comprised between 10% and 60% and an average pore diameter ranging from 0.5 μm to 50 μm, using a 3D printer type machine (I) to build, in accordance with a 3D digital model, a manipulable three-dimensional raw structure () intended to form, after sintering, the monolithic inorganic porous support(s) (). 11657421. A method for manufacturing monolithic inorganic porous support () having a porosity comprised between 10% and 60% and an average pore diameter ranging from 0.5 μm to 50 μm , using a 3D printing machine (I) including an extrusion head () movably mounted in space relative to and above a fixed horizontal plate () , said 3D printing machine allowing the deposition of a string () of inorganic composition () to build , from a 3D digital model (M) , a manipulable three-dimensional raw structure () intended to form the monolithic inorganic porous support(s) () , the method consisting of:{'b': '4', 'having the inorganic composition () including a powdery solid inorganic phase in the form of particles with an average diameter comprised between 0.1 μm and 150 μm, and a matrix,'}{'b': 6', '4', '7, 'sub': 'i,j', 'supplying the extrusion head () of the 3D printing machine (I) with the inorganic composition () and causing its extrusion to form the string (),'}{'b': 7', '5', '2, 'sub': 'i,j', 'building, using said string () on said horizontal plate (), the manipulable three-dimensional raw structure () in accordance with the 3D digital model (M),'}{'b': 2', '7, 'sub': 'i,j', 'accelerating the consolidation of the manipulable three-dimensional raw structure () in accordance with the 3D digital model (M) as the string () is extruded,'}{'b': '2', 'placing this manipulable three-dimensional raw structure () in a heat treatment furnace in order to carry out a sintering operation at a temperature comprised between 0.5 and 1 time the melting ...

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Номер записи: 60

09-01-2020 дата публикации

CONDUCTIVE POROUS CERAMIC SUBSTRATE AND METHOD OF MANUFACTURING SAME

Номер: US20200013665A1

Автор: BAIK Seung Woo, CHOI June Beom, JUNG Jong Yeol, KIM Byoung Hak, KIM Gyu Ha, KIM In Woong, LEE Chun Moo, SHIN In Bum

Принадлежит:

The present invention relates to a conductive porous ceramic substrate and a method of manufacturing the same, and more particularly to a conductive porous ceramic substrate, in which a porous ceramic substrate used as a chuck or stage for fixing a thin semiconductor wafer substrate or display substrate through vacuum adsorption is imparted with antistatic performance so as to prevent the generation of static electricity, and a method of manufacturing the same. 1. A method of manufacturing a conductive porous ceramic substrate , the method comprising:{'sub': 2', '3', '2', '3, 'preparing a mixed powder by adding a titanium oxide (TiO) powder with MnCOand CrOpowders and a graphite powder and performing mixing and drying;'}{'sub': 3', '2', '3', '2, 'compacting the mixed powder of MnCO, CrO, TiOand graphite in a die under pressure to afford a shaped body; and'}sintering the shaped body thus obtained at a temperature ranging from 1000° C. to 1300° C. in an ambient air atmosphere,{'sub': 2', '3', '2', '3', '3', '2', '3', '3', '2', '3', '2, 'wherein in the preparing the mixed powder, the TiOpowder, as a main material, is added with the MnCOand CrOpowders, in which the MnCOand CrOpowders are mixed at a molar ratio of 9:1 and the mixed MnCOand CrOpowders are added in an amount of 5 mol % to 15 mol % relative to the TiOpowder.'}2. The method of claim 1 , wherein the graphite powder is added in an amount of 5 wt % to 15 wt % based on a total amount of the mixed powder of MnCO claim 1 , CrOand TiO.3. A conductive porous ceramic substrate claim 1 , having a microstructure a surface of which is formed with pores by Mn- and Cr-doped TiOparticles and (Mn claim 1 ,Cr)TiOparticles adjacent to each other claim 1 , and having a volume resistance ranging from 10Ω·cm to 10Ω·cm.4. The conductive porous ceramic substrate of claim 3 , having a porosity ranging from 20% to 50%. The present application claims priority based on Korean Patent Application No. 10-2018-0078138, filed Jul. 5, 2018, ...

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Номер записи: 61

03-02-2022 дата публикации

ANTIOXIDANTS IN GREEN CERAMIC BODIES CONTAINING VARIOUS OILS FOR IMPROVED FIRING

Номер: US20220033309A1

Автор: Castilone Robert Joseph, Flynn Cecilia Sarah, Lewis Mark Alan, Murray William Joseph, Ravichandran Manivannan, Shaver Rachel Marie, Walton Molly Kyser

Принадлежит:

Green ceramic mixture for extruding into an extruded green body includes one or more inorganic components selected from the group consisting of ceramic ingredients, inorganic ceramic-forming ingredients, and combinations thereof, at least one mineral oil, and from about 0.01 wt % to about 0.45 wt % of an antioxidant based on a total weight of the inorganic component(s), by super addition. The mineral oil has a kinematic viscosity of ≥about 1.9 cSt at 100° C. The at least one antioxidant may have a degradation-rate peak temperature that is greater than the degradation-rate peak temperature of the at least one mineral oil. In some embodiments, the at least one mineral oil includes greater than about 20 wt % alkanes with greater than 20 carbons, based on a total weight of the at least one mineral oil. Methods of making an unfired extruded body using the batch mixture are also disclosed. 1. A method of making porous ceramic bodies , the method comprising:mixing at least one mineral oil, at least one antioxidant, and one or more ceramic ingredients or inorganic ceramic-forming ingredients to form a first batch mixture;extruding the first batch mixture to form a first green body;mixing at least one mineral oil, at least one antioxidant, and one or more ceramic ingredients or inorganic ceramic-forming ingredients to form a second batch mixture;extruding the second batch mixture to form a second green body;firing the first green honeycomb body in a kiln according to a first firing cycle for a first total firing time sufficient to produce a first porous ceramic body;firing the second green body in a kiln according to a second firing cycle for a second total firing time sufficient to produce a second porous ceramic body;wherein the first and second green bodies differ in composition, size, and/or geometry of the respective green body;wherein the amount of antioxidant included in each respective batch mixture is selected such that the first total firing time is the same as the ...

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Номер записи: 62

19-01-2017 дата публикации

Oxide sintered body, process for manufacturing same, and oxide film

Номер: US20170015589A1

Автор: Isao Ando, Kentaro Sogabe, Makoto Ozawa

Принадлежит: SUMITOMO METAL MINING CO LTD

The present invention provides: an oxide sintered body having superior manufacturing stability, film stability, discharge stability, and mechanical strength; a process for manufacturing the same; and an oxide film obtained by using the oxide sintered body and having an intermediate refractive index. The oxide sintered body comprising In and Si, wherein a Si content is 0.65 to 1.75 in Si/In atomic ratio, a relative density is 90% or more, and a bending strength is 90 N/mm 2 or more, is manufactured, and the oxide film with refractive index of 1.70 to 1.90 by a sputtering process using the oxide sintered body is manufactured.

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Номер записи: 63

19-01-2017 дата публикации

CERAMIC CAPACITOR DIELECTRIC MATERIAL

Номер: US20170015590A1

Автор: CHANG Chun-Wei, Lai Yuan-Cheng, Li Jian-Hua, Wang Sea-Fue, WENG Jue-Wei

Принадлежит:

A ceramic capacitor dielectric material includes BaTiO, BaZrO, SrTiO, MgCO, SiO, and at least one compound selected from transition element and rare earth element. The amount of the BaTiOin the ceramic capacitor dielectric material is 40-80 mol %; the amount of the BaZrOis 20-40 mol %; and the amount of the SrTiOis smaller than or equal to 20 mol %. The permittivity of the ceramic capacitor dielectric material is larger than 350, and the dielectric loss is lower than 0.5%. Moreover, the resistivity can reach 10Ω-cm under room temperature, and further reach 10Ω-cm at 125° C. Besides, the performance of the capacitance change rate of the ceramic capacitor dielectric material under DC bias is excellent, thus the ceramic capacitor dielectric material can fulfil the X7T dielectric properties of EIA. 1. A ceramic capacitor dielectric material comprising BaTiO , BaZrO , SrTiO , MgCO , SiO , and at least one compound selected from transition element and rare earth element , wherein an amount of the BaTiOis 40-80 mol %; an amount of the BaZrOis 20-40 mol %; and an amount of the SrTiOis smaller than or equal to 20 mol %.2. The ceramic capacitor dielectric material according to claim 1 , wherein an amount of the MgCOis 2-6 mol %.3. The ceramic capacitor dielectric material according to claim 1 , wherein an amount of the SiOis smaller than or equal to 2 mol %.4. The ceramic capacitor dielectric material according to claim 1 , wherein the rare earth element is selected from a group consisting of LaO claim 1 , CeO claim 1 , PrO claim 1 , NdO claim 1 , PmO claim 1 , SmO claim 1 , EuO claim 1 , GdO claim 1 , DyO claim 1 , HoO claim 1 , ErO claim 1 , TmO claim 1 , and YbO.5. The ceramic capacitor dielectric material according to claim 1 , wherein the transition element is selected from a group consisting of NbO claim 1 , WO claim 1 , TaO claim 1 , CoCO claim 1 , CuO claim 1 , MnCO claim 1 , CrO claim 1 , TiO claim 1 , ZrO claim 1 , SeO claim 1 , NiO claim 1 , and ZnO.6. The ceramic ...

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Номер записи: 64

19-01-2017 дата публикации

ORGANIC TITANIUM DERIVATIVE AND PROCESS FOR THE PREPARATION THEREOF, INK CONTAINING THE DERIVATIVE AND CERAMIC DIGITAL PRINTING METHOD THAT USES THE INK

Номер: US20170015687A1

Автор: Guizzardi Fabrizio, Vignali Graziano

Принадлежит:

Described is a production process for the preparation of an organic titanium derivative useful for the preparation of yellow inks for digital printing on ceramics, comprising the following steps: 2. The process according to claim 1 , wherein the organic and/or inorganic compound of titanium (IV) used in step (i) is selected from titanium halides claim 1 , titanium sulphate claim 1 , titanium hydroxide claim 1 , chloro-isopropyl-titanate claim 1 , titanium oxotitanates or titanium alkoxides of formula Ti(OR) claim 1 , wherein R is a linear or branched C1-C4 alkyl radical.3. The process according to claim 1 , wherein the 1 claim 1 ,3-diol used in step (i) is 2-ethyl-1 claim 1 ,3-hexanediol.4. The process according to claim 1 , wherein the organic solvent used in step (i) is selected from saturated or unsaturated claim 1 , cyclic or acyclic claim 1 , linear or branched claim 1 , possibly halogenated aliphatic hydrocarbons; aromatic hydrocarbons; ethers; glycol ethers and mixtures thereof.5. A titanium derivative obtainable by the process according to claim 1 , in the form of a titanium-containing organo-inorganic polymer characterized in that the polymeric fraction having Log M≧3 has an at least bimodal molecular weight distribution and represents at least 70% by weight of the derivative.6. An ink containing a titanium derivative of claim 5 , comprising:(A) 6.0-12.0% by weight of Ti in the form of said titanium derivative;(B) 0.5-2.0% by weight of Cr in the form of an organic compound of Cr(III) and/or 1.0-3.0% by weight of Ni in the form of an organic compound of Ni;(C) at least a organic solvent selected from saturated or unsaturated, cyclic or acyclic, linear or branched, possibly alogenated aliphatic hydrocarbons, aromatic hydrocarbons, ethers, glycol ethers, esters, carbonates, and mixtures thereof.7. The ink according to claim 6 , further comprising as fourth component claim 6 , (D) claim 6 , triphenylantimony claim 6 , Sb(CH) claim 6 , in an amount such that the ...

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Номер записи: 65

21-01-2016 дата публикации

ZIRCONIA SINTERED BODY, AND ZIRCONIA COMPOSITION AND CALCINED BODY

Номер: US20160016853A1

Автор: ITO Yoshihisa, MATSUMOTO Atsushi, Yamada Yoshihisa

Принадлежит: KURARAY NORITAKE DENTAL INC.

A zirconia sintered body, where when cross-sectional area of each zirconia crystal-grain is calculated in image of cross section of zirconia sintered body, converted crystal-grain size of each zirconia crystal-grain is calculated based on cross-sectional area where each zirconia crystal-grain has circular cross-sectional shape, zirconia crystal-grains are classified into class of <0.4 μm, class of ≧0.4 and <0.76 μm, and class of ≧0.76 μm based on converted crystal-grain size, total cross-sectional area of zirconia crystal-grains is calculated in each of classes, and rate of cross-sectional area to total cross-sectional area of all zirconia crystal-grains whose cross-sectional area has been calculated is calculated in each class, rate of cross-sectional area of zirconia crystal-grains in class of <0.4 μm is 4% to 35%, rate of cross-sectional area of zirconia crystal-grains in class of ≧0.4 and <0.76 μm is 24% to 57%, and rate of cross-sectional area of zirconia crystal-grains in class of ≧0.76 μm—is 16% to 62%.

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Номер записи: 66

18-01-2018 дата публикации

CBS-BASED LTCC MATERIAL AND PREPARATION METHOD THEREOF

Номер: US20180016192A1

Автор: Liu Jian, NIE Min

Принадлежит:

Disclosed is a CBS-based low-temperature co-fired ceramic (LTCC) material, and a preparation method thereof. The material has, as a main component, a sintered phase of low dielectric constant of CaSiOand CaBO, and comprises CBS and a dopant. The CBS comprises, by weight, 30-40% of CaO, 15-30% of BO, and 40-50% of SiO, and the dopant comprises 0-2% of PO, 0-2% of nanometer CuO, and 0.5-2% of nanometer VO. The preparation method comprises mixing oxides including a CBS-based dielectric ceramic as a base and one or two of POand CuO as an initial dopant, and then adding VOas a final sintering aid, to prepare the material. In the present invention, a CBS-based LTCC material that is obtained by sintering at a low temperature and has the advantages of low dielectric constant, low loss, and good overall performance is provided. 1. A CBS-based low-temperature co-fired ceramic material having , as a main component , a sintered phase of low dielectric constant of CaSiOand CaBOcomprising CBS and a dopant , wherein the CBS comprises , by weight , 30-40% of CaO , 15-30% of BO , and 40-50% of SiO , and the dopant comprises 0-2% of PO , 0-2% of nanometer CuO , and 0.5-2% of nanometer VO.2. A method for preparing a CBS-based LTCC material , comprising: mixing a CBS-based dielectric ceramic as a base with one or two of POand CuO as an initial dopant , and then adding VOas a final sintering aid , to prepare the material , wherein the material has , as a main component , a sintered phase of low dielectric constant of CaSiOand CaBOcomprising CBS and a dopant , wherein the CBS comprises , by weight , 30-40% of CaO , 15-30% of BO , and 40-50% of SiO , and the dopant comprises 0-2% of PO , 0-2% of nanometer CuO , and 0.5-2% of nanometer VO.3. The preparation method according to claim 2 , comprising the steps of(1) material mixing{'sub': 3', '3', '3', '2', '2', '3', '2', '2', '5, 'weighing the raw materials CaCO, HBO, and SiObased on 30-40% of CaO, 15-30% of BO, and 40-50% of SiO, and doping ...

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Номер записи: 67

21-01-2016 дата публикации

DIELECTRIC CERAMIC AND MULTILAYER CERAMIC CAPACITOR

Номер: US20160020025A1

Автор: YAO TAKAYUKI

Принадлежит:

A dielectric ceramic that contains Al and Si, as well as a barium titanate-based compound having a perovskite type crystal structure as a primary component. The total molar amount of Al and Si is 2 to 4 parts by mole with respect to 100 parts by mole of Ti, and the content ratio of Al with respect to the total molar amount is 0.2 or less (excluding 0) on the molar ratio basis. The dielectric ceramic may also contain at least one specific rare earth element Re, such as Gd, Tb, or Dy.

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Номер записи: 68

03-02-2022 дата публикации

Manufacturing method of ceramic powder

Номер: US20220037088A1

Автор: Chie Kawamura, Kazumichi HIROI, Osamu Hattori

Принадлежит: TAIYO YUDEN CO LTD

A manufacturing method of ceramic powder includes mixing a barium carbonate having a specific surface are of 15 m2/g or more, a titanium dioxide having a specific surface area of 20 m2/g or more, a first compound of a donor element having a larger valence than Ti, and a second compound of an acceptor element having a smaller valence than Ti and having a larger ion radium than Ti and the donor element, and synthesizing barium titanate powder by calcining the barium carbonate, the titanium dioxide, the first compound and the second compound until a specific surface area of the barium titanate powder becomes 4 m2/g or more and 25 m2/g or less.

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Номер записи: 69

17-01-2019 дата публикации

MAGNETODIELECTRIC Y-PHASE STRONTIUM HEXAGONAL FERRITE MATERIALS FORMED BY SODIUM SUBSTITUTION

Номер: US20190019605A1

Автор: Hill Michael David

Принадлежит:

Disclosed herein are embodiments of an enhanced resonant frequency hexagonal ferrite material and methods of manufacturing. The hexagonal ferrite material can be Y-phase strontium hexagonal ferrite material. In some embodiments, sodium can be added into the crystal structure of the hexagonal ferrite material in order to achieve high resonance frequencies while maintaining high permeability. 1. (canceled)2. A modified sodium substituted strontium hexagonal ferrite comprising:a Y-phase strontium hexagonal ferrite crystal structure including elements strontium, sodium, cobalt, iron, oxygen and one of a tetravalent ion and a trivalent ion, the at least one of the tetravalent ion and the trivalent ion configured to charge balance for the sodium substituting at least partially for the strontium in the crystal structure; anda permeability of between 5 and 6.3. The modified sodium substituted strontium hexagonal ferrite of wherein the crystal structure contains the trivalent ion.4. The modified sodium substituted strontium hexagonal ferrite of wherein greater than zero and less than or equal to 1.5 of the trivalent ion is included in the crystal structure.5. The modified sodium substituted strontium hexagonal ferrite of wherein the trivalent ion is selected from the group consisting of Al claim 3 , Ga claim 3 , Sc claim 3 , Cr claim 3 , Mn claim 3 , In claim 3 , Yb claim 3 , Er claim 3 , Y and lanthanide elements.6. The modified sodium substituted strontium hexagonal ferrite of wherein the trivalent ion is scandium.7. The modified sodium substituted strontium hexagonal ferrite of wherein the crystal structure contains the tetravalent ion.8. The modified sodium substituted strontium hexagonal ferrite of wherein greater than zero and less than or equal to 0.75 of the tetravalent ion is included in the crystal structure.9. The modified sodium substituted strontium hexagonal ferrite of wherein the tetravalent ion is selected from the group consisting of Si claim 7 , Ge claim 7 ...

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Номер записи: 70

26-01-2017 дата публикации

DENTAL MILL BLANK, PROCESS FOR PRODUCTION AND USE THEREOF

Номер: US20170020639A1

Автор: Jahns Michael, Schnagl Hans R.

Принадлежит:

The invention relates to a coloured zirconia ceramic dental mill blank having fluorescing properties, processes of production such a mill blank and uses thereof, in particular for producing zirconia ceramic dental restorations. The dental mill blank having a shape allowing the dental mill blank to be attached or fixed to a machining device, the dental mill blank comprising a porous zirconia material, the porous zirconia material comprising the oxides Zr oxide calculated as Zr02: from about 80 to about 97 wt.-%, Al oxide calculated as Al203: from about 0 to about 0.15 wt.-%, Y oxide calculated as Y203: from about 1 to about 10 wt-%, Bi oxide calculated as Bi203: from about 0.01 to about 0.20 wt-%, Tb oxide calculated as Tb203: from about 0.01 to about 0.8 wt.-%, and optionally one or two of the following oxides: Er oxide calculated as Er203: from about 0.01 to about 3.0 wt.-%, Mn oxide calculated as Mn02: from about 0.0001 to about 0.08 wt.-%, the porous zirconia material not comprising Fe oxide calculated as Fe203 in an amount of more than about 0.01 wt.-%, wt.-% with respect to the weight of the porous zirconia material. 1. A dental mill blank having a shape allowing the dental mill blank to be attached or fixed to a machining device , the dental mill blank comprising a porous zirconia material , the porous zirconia material comprising the oxides:Zr oxide calculated as ZrO2: from about 80 to about 97 wt.-%,Al oxide calculated as Al2O3: from about 0 to about 0.15 wt.-%,Y oxide calculated as Y2O3: from about 1 to about 10 wt.-%,Bi oxide calculated as Bi2O3: from about 0.01 to about 0.20 wt.-%,Tb oxide calculated as Tb2O3: from about 0.01 to about 0.8 wt.-%,and optionally one or two of the following oxides:Er oxide calculated as Er2O3: from about 0.01 to about 3.0 wt.-%,Mn oxide calculated as MnO2: from about 0.0001 to about 0.08 wt.-%,the porous zirconia material not comprising Fe oxide calculated as Fe2O3 in an amount of more than about 0.01 wt.-%, wt.-% with ...

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Номер записи: 71

17-04-2014 дата публикации

Sodium niobate powder, method of manufacturing a sodium niobate powder, plate-like particle, method of manufacturing a plate-like particle, and method of manufacturing an oriented ceramics

Номер: US20140106170A1

Автор: Hiroshi Saito, Jumpei Hayashi, Nobuhiro Kumada, Takayuki Watanabe

Принадлежит: Canon Inc, University of Yamanashi NUC

Provided are methods of manufacturing an oriented ceramics containing sodium niobate and a raw material thereof. Specifically, provided is a sodium niobate powder, including cuboidal sodium niobate particles having an average side length of 0.1 μm or more to 100 μm or less, at least one face of the cuboid including a (100) plane in pseudo-cubic notation, in which the sodium niobate powder has a perovskite single-phase structure.

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Номер записи: 72

21-01-2021 дата публикации

MULTILAYER CERAMIC CAPACITOR AND MANUFACTURING METHOD FOR SAME

Номер: US20210020364A1

Автор: HAGIWARA Tomoya, INOMATA Yasuyuki, KANEDA Kazumi

Принадлежит:

A multilayer ceramic capacitor () has a laminate body () constituted by dielectric layers () and internal electrode layers () stacked alternately. The dielectric layers () contain (BaCaSr)(TiZr)O, where 0.03≤x≤0.16, 0≤y≤0.02, 0 Подробнее

Номер записи: 73

28-01-2016 дата публикации

High zirconia fused cast refractory

Номер: US20160023955A1

Автор: Hiroshi Sugiyama, Itaru Hashimoto, Toshimitsu KUBOKI, Yasuo Misu

Принадлежит: Saint Gobain TM KK

[Problems] To provide a high zirconia fused cast refractory that suffers less cracks in production and on heating, has excellent productivity, is hard to form zircon crystals with the refractory solely and under conditions where the refractory is in contact with molten glass, is hard to suffer cracks on receiving heat cycles in operation of a glass melting furnace, and has durability for a prolonged period of time. [Solution to Problems] A high zirconia fused cast refractory containing, as chemical components, from 85 to 95% by weight of ZrO 2 , from 0.4 to 2.5% by weight of Al 2 O 3 , from 3.5 to 10% by weight of SiO 2 , from 0.05 to 1% by weight in total of Na 2 O and K 2 O, more than 0.04% by weight and 1% by weight or less of B 2 O 3 , 0.02% by weight or less of P 2 O 5 , 0.05% by weight or less of MgO, from 0.01 to 0.2% by weight of CaO, in the case where any one of SrO and BaO is contained, from 0.3 to 3% by weight of SrO or more than 0.5% by weight and 3% by weight or less of BaO, and in the case where both of them are contained, 0.3% by weight or more of SrO and from 0.3 to 3% by weight in total of SrO and BaO, from 0.01 to 0.7% by weight of SnO 2 , and 0.3% by weight or less in total of Fe 2 O 3 and TiO 2 .

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Номер записи: 74

26-01-2017 дата публикации

RARE EARTH SILICATE ENVIRONMENTAL BARRIER COATINGS HAVING IMPROVED CMAS RESISTANCE

Номер: US20170022113A1

Автор: OPILA Elizabeth

Принадлежит:

An environmental barrier coating having improved CMAS resistance for a ceramic matrix composite, an article comprising an environmental barrier coating having improved CMAS resistance, and a method of forming an environmental barrier coating having improved CMAS resistance are disclosed. The environmental barrier coating may include a rare earth silicate and a rare earth titanate. The ceramic matrix composite may be a silicon carbide-based composite. 1. An environmental barrier coating for a ceramic matrix composite , comprising:a rare earth silicate; anda rare earth titanate.2. The environmental barrier coating of claim 1 , wherein the rare earth silicate is of the form RESiOor RESiO claim 1 , where RE is a rare earth element.3. The environmental barrier coating of claim 1 , wherein the rare earth silicate comprises at least one of ytterbium claim 1 , yttrium claim 1 , gadolinium claim 1 , praseodymium claim 1 , dysprosium claim 1 , holmium claim 1 , erbium claim 1 , and lutetium.4. The environmental barrier coating of claim 1 , wherein the rare earth silicate is one of YbSiO claim 1 , YbSiO claim 1 , YSiO claim 1 , and YSiO.5. The environmental barrier coating of claim 1 , wherein the rare earth titanate is of the form RETiOor RETiO claim 1 , where RE is a rare earth element.6. The environmental barrier coating of claim 1 , wherein the rare earth titanate comprises at least one of ytterbium claim 1 , yttrium claim 1 , dysprosium claim 1 , erbium claim 1 , and lutetium. The environmental barrier coating of claim 1 , wherein the rare earth titanate is one of YbTiO claim 1 , YbTiO claim 1 , YTiO claim 1 , and YTiO.8. An article claim 1 , comprising:a ceramic matrix composite; and a rare earth silicate; and', 'a rare earth titanate., 'wherein the environmental barrier coating includes, 'an environmental barrier coating disposed on the ceramic matrix composite,'}9. The article of claim 8 , wherein the ceramic matrix composite comprises silicon carbide.10. The article ...

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Номер записи: 75

26-01-2017 дата публикации

Composition for producing a shaped refractory ceramic product, a method for producing a shaped refractory ceramic product, and a shaped refractory ceramic product

Номер: US20170022114A1

Автор: Barbara Zluc, Roland Nilica, Ulrich Nebe

Принадлежит: Refractory Intellectual Property GmbH and Co KG

The invention relates to a composition (batch) for producing a shaped refractory ceramic product, a method for producing a shaped refractory ceramic product, and a shaped refractory ceramic product.

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Номер записи: 76

26-01-2017 дата публикации

METHOD FOR PRODUCING SURFACE-MODIFIED BASE MATERIAL, METHOD FOR PRODUCING JOINED BODY, NEW HYDROSILANE COMPOUND, SURFACE TREATMENT AGENT, SURFACE TREATMENT AGENT KIT, AND SURFACE-MODIFIED BASE MATERIAL

Номер: US20170022223A1

Автор: Kanamori Kazuyoshi, MOITRA Nirmalya, Nakanishi Kazuki, Shimada Toyoshi

Принадлежит:

The method for producing a surface-modified base material according to the present invention includes a step of bringing a base material having a polar group present on a surface thereof into contact with a hydrosilane compound having a molecular structure A and having a Si—H group composed of a silicon atom of the molecular structure A and a hydrogen atom bonded to the silicon atom in the presence of a borane catalyst so as to allow a dehydrocondensation reaction to take place between the base material and the compound, thereby forming the base material surface-modified with the molecular structure A. This production method is capable of surface-modifying a base material at a lower temperature in a shorter time than conventional methods and allows a wide variety of options for the form, type, and application of the base material, the mode of the modification reaction, and the type of the molecular structure with which the base material is surface-modified. 1. A method for producing a surface-modified base material , comprising a step of bringing a base material having a polar group present on a surface thereof into contact with a hydrosilane compound having a molecular structure A and having a Si—H group composed of a silicon atom of the molecular structure A and a hydrogen atom bonded to the silicon atom in the presence of a borane catalyst so as to allow a dehydrocondensation reaction to take place between the base material and the compound , thereby forming the base material surface-modified with the molecular structure A.2. The method for producing a surface-modified base material according to claim 1 , wherein the polar group is a hydroxy group and/or a carbonyl group.3. The method for producing a surface-modified base material according to claim 1 , wherein the polar group is a hydroxy group.4. The method for producing a surface-modified base material according to claim 1 , wherein the catalyst is tris(pentafluorophenyl)borane.5. The method for producing a ...

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Номер записи: 77

25-01-2018 дата публикации

Low-K And Mid-K LTCC Dielectric Compositions And Devices

Номер: US20180022650A1

Автор: JR. Walter J., Symes

Принадлежит:

LTCC devices are produced from dielectric compositions comprising a mixture of precursor materials that, upon firing, forms a dielectric material comprising a barium-tungsten-silicon host. 1. A composition comprising a mixture of precursor materials that , upon firing , forms a lead-free and cadmium-free dielectric material comprising a barium-tungsten-silicon oxide host material.2. The composition according to claim 1 , wherein the dielectric material exhibits a dielectric constant of 1 to 50.3. A host material comprising:(i) 30-50 wt % BaO,{'sub': '3', '(ii) 45-65 wt % WO,'}{'sub': '2', '(iii) 1-10 wt % SiO,'}(iv) no lead, and(v) no cadmium.7. A lead-free and cadmium-free composition comprising a mixture of precursors that claim 1 , upon firing claim 1 , forms a lead-free and cadmium-free dielectric material comprising:(a) 10-55 wt % BaO,{'sub': '3', '(b) 15-60 wt % WO,'}{'sub': '2', '(c) 0.5-15 wt % SiO,'}(d) 0-27 wt % CaO,{'sub': '2', '(e) 0-35 wt % TiO,'}(f) 0-15 wt % SrO,{'sub': 2', '3, '(g) 0.05-5 wt % BO,'}(h) 0.05-5 wt % Li2O,(i) 0-5 wt % LiF,(j) 0-5 wt % CuO, and(k) 0-10 wt % ZnO.810-. (canceled)11. An electric or electronic component comprising claim 4 , prior to firing claim 4 , the lead-free and cadmium-free dielectric material of claim 4 , together with a conductive paste comprising:a. 60-90 wt % Ag+Pd+Pt+Au,b. 1-10 wt % of an additive selected from the group consisting of silicides, carbides, nitrides, and borides of transition metals,c. 0.5-10 wt % of at least one glass frit, andd. 10-40 wt % of an organic portion.12. The electric or electronic component of claim 11 , wherein the electric or electronic component is selected from the group consisting of high Q resonators claim 11 , electro-magnetic interference filter claim 11 , band pass filters claim 11 , wireless packaging systems claim 11 , and combinations thereof.13. A method of forming an electronic component comprising:{'claim-ref': {'@idref': 'CLM-00004', 'claim 4'}, '(a1) applying dielectric ...

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Номер записи: 78

26-01-2017 дата публикации

COMPOSITE ELECTRONIC DEVICE

Номер: US20170025226A1

Автор: KAKUDA Kouichi, KONDO Shinichi, MURAI Asuka, OIDE Akihiko, Sato Hidekazu, Suzuki Takashi, TAKAHASHI Masaki, Takahashi Yukio, Uchida Naoki

Принадлежит: TDK Corporation

Composite electronic including coil, capacitor and intermediate parts, wherein coil part includes coil-conductor and magnetic-layer, capacitor part includes internal electrodes and dielectric-layer, which contains SrO—TiO2 or ZnO—TiO2 based oxide, intermediate part between coil and capacitor parts, intermediate part includes intermediate material layer, which contains ZnO, TiO2 and boron, ZnO contained in intermediate material layer 50-85 parts by mole and TiO2 contained the intermediate material layer 15-50 parts by mole when total content of ZnO and TiO2 in intermediate material layer is 100 parts by mole, content boron in intermediate material layer is 0.1-5.0 parts by weight of B2O3 when total of ZnO and TiO2 in intermediate material layer set to 100 parts by weight, part of ZnO and TiO2 intermediate material layer constitute ZnO—TiO2 compound, which in intermediate material layer is 50 wt % or more when total weight of ZnO and TiO2 in intermediate material layer is set to 100 wt %. 1. A composite electronic device comprising a coil part , a capacitor part and an intermediate part , whereinthe coil part includes a coil conductor and a magnetic layer,the capacitor part includes internal electrodes and a dielectric layer,{'sub': 2', '2, 'the dielectric layer contains a SrO—TiObased oxide or a ZnO—TiObased oxide,'}the intermediate part is located between the coil part and the capacitor part,the intermediate part includes an intermediate material layer,{'sub': '2', 'the intermediate material layer contains ZnO, TiOand boron,'}{'sub': 2', '2, 'a content of ZnO contained in the intermediate material layer is 50 to 85 parts by mole and a content of TiOcontained in the intermediate material layer is 15 to 50 parts by mole when a total of the content of ZnO and the content of TiOcontained in the intermediate material layer is set to 100 parts by mole,'}{'sub': 2', '3', '2, 'a content of boron contained in the intermediate material layer is 0.1 to 5.0 parts by weight in ...

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Номер записи: 79

29-01-2015 дата публикации

Composite Laminated Ceramic Electronic Component

Номер: US20150030830A1

Автор: Hiroshige ADACHI, Kazuhiro Kaneko, Sadaaki Sakamoto, Satoru Adachi, Seiji Fujita

Принадлежит: Murata Manufacturing Co Ltd

A composite laminated ceramic electronic component that includes co-fired low dielectric-constant ceramic layers and high dielectric-constant ceramic layers. The low dielectric-constant ceramic layers and the high dielectric-constant ceramic layers are each composed of a glass ceramic containing: a first ceramic composed of MgAl 2 O 4 and/or Mg 2 SiO 4 ; a second ceramic composed of BaO, RE 2 O 3 (where RE is a rare-earth element), and TiO 2 ; glass containing each of 44.0 to 69.0 weight % of RO (where R is an alkaline-earth metal), 14.2 to 30.0 weight % of SiO 2 , 10.0 to 20.0 weight % of B 2 O 3 , 0.5 to 4.0 weight % of Al 2 O 3 , 0.3 to 7.5 weight % of Li 2 O, and 0.1 to 5.5 weight % of MgO; and MnO. The content ratios of the glass, etc. are varied between the low dielectric-constant ceramic layers and the high dielectric-constant ceramic layers.

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Номер записи: 80

29-01-2015 дата публикации

Interconnector material, intercellular separation structure, and solid electrolyte fuel cell

Номер: US20150030958A1

Автор: Kazuhide Takata, Michiaki Iha

Принадлежит: Murata Manufacturing Co Ltd

Provided is an interconnector material which is chemically stable in both oxidation atmospheres and reduction atmospheres, has a high electron conductivity (electric conductivity), a low ionic conductivity, does not contain Cr, and enables a reduction in sintering temperature. The interconnector material is arranged between a plurality of cells each composed of an anode layer, a solid electrolyte layer, and a cathode layer stacked sequentially, and electrically connects the plurality of cells to each other in series in a solid electrolyte fuel cell. The interconnector is formed of a ceramic composition represented by the composition formula La(Fe 1-x Al x )O 3 in which 0<x<0.5.

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Номер записи: 81

29-01-2015 дата публикации

Scheelite Microwave Dielectric Ceramic Material and Preparation Method Thereof

Номер: US20150031523A1

Автор: LI Jinyan, Liang Ying, Zhou Di

Принадлежит:

An embodiment of the present invention provides a scheelite microwave dielectric ceramic material. For example, a structure expression of the scheelite microwave dielectric ceramic material can be Bi(VInMo)MoO. In this embodiment, 0.06≦x≦0.12 An embodiment of the present invention further provides a method for preparing a scheelite microwave dielectric ceramic material. 1. A scheelite microwave dielectric ceramic material , wherein a structure expression of the scheelite microwave dielectric ceramic material is{'br': None, 'sub': 1-x', 'x/3', '2x/3', '4, 'Bi(VInMo)MoO,'}where 0.06≦x≦0.12.2. The scheelite microwave dielectric ceramic material according to claim 1 , wherein 0.08≦x≦0.10.3. The scheelite microwave dielectric ceramic material according to claim 1 , wherein a microwave dielectric constant εof the scheelite microwave dielectric ceramic material is 70-75 claim 1 , a quality factor value Q×f is 9230 GHz-10110 GHz claim 1 , and a temperature coefficient of resonant frequency τis −210 ppm/° C. to +135 ppm/° C.4. The scheelite microwave dielectric ceramic material according to claim 1 , wherein a microwave dielectric constant εof the scheelite microwave dielectric ceramic material is 70-75.5. The scheelite microwave dielectric ceramic material according to claim 1 , wherein a quality factor value Q×f is 9230 GHz-10110 GHz.6. The scheelite microwave dielectric ceramic material according to claim 1 , wherein a temperature coefficient of resonant frequency τis −210 ppm/° C. to +135 ppm/° C.7. A method for preparing a scheelite microwave dielectric ceramic material claim 1 , the method comprising:{'sub': 2', '5', '2', '3', '3', '2', '3', 'Bi', '1-x', 'x/3', '2x/3', '4, 'mixing the materials that include VO, InO, MoO, and BiOaccording to a stoichiometry ratio consistent with a general formula (VInMo)MoO, where 0.06≦x≦0.12;'}ball-milling the materials for 3 to 6 hours;drying the ball-milled materials at 100° C-200° C.;sieving the dried ball-milled materials; ...

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Номер записи: 82

02-02-2017 дата публикации

DIELECTRIC COMPOSITION, DIELECTRIC ELEMENT, ELECTRONIC COMPONENT AND LAMINATED ELECTRONIC COMPONENT

Номер: US20170029337A1

Автор: Hirose Masakazu, Imura Tomoya, Tauchi Goushi

Принадлежит:

The problem addressed lies in providing a dielectric composition having a relatively high dielectric constant of 900 or greater when a DC bias of at least 8 V/ym is applied, and also in providing a dielectric element employing said dielectric composition, an electronic component, and a laminated electronic component. 2. The dielectric composition as claimed in claim 1 , wherein a claim 1 , b claim 1 , c and d satisfy the following: 0.27≦a≦0.48 claim 1 , 0.18≦b≦0.38 claim 1 , 0.20≦c≦0.60 claim 1 , 0.02≦d≦0.05 claim 1 , and 0.95≦a+b+c≦1.05.3. A dielectric element comprising the dielectric composition as claimed in .4. An electronic component provided with a dielectric layer comprising the dielectric composition as claimed in .5. A laminated electronic component having a laminated portion formed by alternately laminating an internal electrode layer and a dielectric layer comprising the dielectric composition as claimed in . The present invention relates to a dielectric composition and a dielectric element employing same, and to an electronic component and a laminated electronic component; more specifically, the present invention relates to a dielectric composition and a dielectric element which are advantageously used for medium- and high-voltage applications with a relatively high rated voltage.In recent years there has been a great demand for miniaturization of dielectric elements as electronic circuits reach higher densities, and miniaturization of electronic components such as laminated ceramic capacitors together with increased capacity are rapidly progressing, while the applications thereof are also expanding. Various characteristics are required as this takes place.For example, medium- and high-voltage capacitors which are used in devices such as ECMs (engine electronic computer modules), fuel injection devices, electronic control throttles, inverters, converters, HID headlamp units, hybrid engine battery control units and digital still cameras have a rated ...

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Номер записи: 83

28-01-2021 дата публикации

Dielectric ceramic composition and multilayer ceramic capacitor comprising the same

Номер: US20210027944A1

Автор: Jae Sung Park, Jeong Yun PARK, Ji Hong Jo, Kyung Sik Kim

Принадлежит: Samsung Electro Mechanics Co Ltd

A dielectric ceramic composition includes a barium titanate (BaTiO3)-based base material main ingredient and an accessory ingredient, the accessory ingredient including dysprosium (Dy) and praseodymium (Pr) as first accessory ingredients. A content of the Pr satisfies 0.233 mol≤Pr≤0.699 mol, based on 100 mol of the barium titanate base material main ingredient.

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Номер записи: 84

30-01-2020 дата публикации

METHOD FOR PRODUCING A BLANK, BLANK AND A DENTAL RESTORATION

Номер: US20200030064A1

Автор: FECHER Stefan, KUTZNER Martin, OEFNER Tanja, VOLKL Lothar

Принадлежит: DENTSPLY SIRONA Inc.

The invention relates to a blank of a ceramic material, wherein a first ceramic material and then a second ceramic material of different compositions are filled into a die and wherein the materials are pressed and after pressing are sintered. A layer of the first ceramic material is thereby filled into the die and a first cavity formed in the layer, the second ceramic material is then filled into the first open cavity and the materials pressed together and then heat-treated. 1. A pre-sintered or fully-sintered blank for use in preparing a dental restoration , the blank comprising regions of different compositions , wherein one first region of a first ceramic material and at least one second region of a second ceramic material are of different compositions and the regions are sited next to one another , wherein the ceramic materials contain zirconium dioxide doped with yttrium oxide (YO) , calcium oxide (CaO) , magnesium oxide (MgO) and/or ceroxide (CeO) , and wherein the first ceramic material differs from the material of the second ceramic material in terms of color and proportions of stabilized crystal forms present at room temperature , and wherein the at least one second region extends within the first region and has an external geometry that tapers from a base region or a base surface.2. The blank according to claim 1 , wherein the base region or the base surface of the at least one second region extends in the region of an outer surface of the first region.3. The blank according to claim 1 , wherein the at least one second region starting from its base region or base surface has a cavity.4. The blank according to claim 1 , wherein the at least one second region has a conus-like geometry on its outer side.5. The blank according of claim 1 , wherein the at least one second region includes a third region extending at least partially therein claim 1 , the third region including a third ceramic material having a composition different from that of the first and/or ...

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Номер записи: 85

17-02-2022 дата публикации

Thermal Insulation

Номер: US20220048827A1

Автор: Farid Modarresifar

Принадлежит: Thermal Ceramics UK Ltd

The present invention relates to inorganic fibres having a composition comprising: 65.7 to 70.8 wt % SiO 2 ; 27.0 to 34.2 wt % CaO; 0.10 to 2.0 wt % MgO; and optional other components providing the balance up to 100 wt %, wherein the sum of SiO 2 and CaO is greater than or equal to 97.8 wt %; and the other components, when present, comprise no more than 0.80 wt % Al 2 O 3 ; and wherein the amount of MgO and other components are configured to inhibit the formation of surface crystallite grains upon heat treatment at 1100° C. for 24 hours, wherein said surface crystallite grains comprise an average crystallite size in a range of from 0.0 to 0.90 μm.

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Номер записи: 86

31-01-2019 дата публикации

MOLTEN ALUMINA-ZIRCONIA GRAINS

Номер: US20190031564A1

Автор: APHECEIXBORDE Arnaud, DELWAULLE Céline

Принадлежит: SAINT-GOBAIN CENTRE DE RECHERCHES ET D'ETUDES EUROPEEN

A fused grain having the following chemical composition in percent by weight in relation to the oxides: ZrO: 16% to 30%, provided that HfO<2%, AlO: percentage needed to bring the total to 100%, CrO: ≥0.2%, TiO: ≥0.5%, CrO+TiO: <7%, other elements: <3%, provided that SiO+CaO+MgO<1.5%. 1. A fused grain exhibiting the following chemical analysis , as percentages by weight based on the oxides:{'sub': 2', '2, 'ZrO: 16% to 30%, provided that HfO<2%,'}{'sub': 2', '3, 'AlO: remainder to 100%,'}{'sub': 2', '3, 'CrO: ≥0.2%,'}{'sub': '2', 'TiO: ≥0.5%,'}{'sub': 2', '3', '2, 'CrO+TiO: <7%,'}{'sub': '2', 'Other elements: <3%, provided that SiO+CaO+MgO<1.5%.'}2. The grain as claimed in claim 1 , in which CrO>0.4%.3. The grain as claimed in claim 1 , in which{'sub': 2', '3, 'the CrOcontent is less than or equal to 4% and'}{'sub': '2', 'the TiOcontent is less than or equal to 6%,'}as percentages by weight based on the oxides.4. The grain as claimed in claim 1 ,{'sub': '2', 'in which the ZrOcontent is greater than 18%, and/or'}{'sub': 2', '3, 'in which the CrOcontent is greater than 0.5%, and/or'}{'sub': '2', 'in which the TiOcontent is greater than 0.8%,'}as percentages by weight based on the oxides.5. The grain as claimed in claim 4 ,{'sub': '2', 'in which the ZrOcontent is greater than 20%, and/or'}{'sub': '2', 'in which the TiOcontent is greater than 1%,'}as percentages by weight based on the oxides.6. The grain as claimed in claim 1 ,{'sub': '2', 'in which the ZrOcontent is less than 29%, and/or'}{'sub': 2', '3, 'in which the CrOcontent is less than 3.2%, and/or'}{'sub': '2', 'in which the TiOcontent is less than 4.4%,'}as percentages by weight based on the oxides.7. The grain as claimed claim 6 ,{'sub': '2', 'in which the ZrOcontent is less than 27%, and/or'}{'sub': 2', '3, 'in which the CrOcontent is less than 2.2%, and/or'}{'sub': '2', 'in which the TiOcontent is less than 2.8%,'}as percentages by weight based on the oxides.8. The grain as claimed in claim 1 , in which the ...

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Номер записи: 87

02-02-2017 дата публикации

DIELECTRIC COMPOSITION, DIELECTRIC ELEMENT, ELECTRONIC COMPONENT AND LAMINATED ELECTRONIC COMPONENT

Номер: US20170032893A1

Автор: Hirose Masakazu, Imura Tomoya, Tauchi Goushi

Принадлежит:

The problem addressed lies in providing a dielectric composition having a relatively high dielectric constant of 800 or greater when a DC bias of at least 8 V/μm is applied, and also in providing a dielectric element employing said dielectric composition, an electronic component, and a laminated electronic component. [Solution] A dielectric composition in which the composition of the main component is in accordance with the following formula (1): (BiNaSr) (MgTi)O(1) [where a, b, c and d satisfy the following: 0.10≦a≦0.65, 0 Подробнее

Номер записи: 88

04-02-2021 дата публикации

TEMPERATURE-STABLE, LOW-DIELECTRIC CONSTANT MATERIAL WITH AN ULTRA-LOW LOSS TANGENT

Номер: US20210032167A1

Автор: Hill Michael David, Polisetty Srinivas

Принадлежит:

Disclosed herein are embodiments of high Q, temperature stable materials with low dielectric constants. In particular, a two-phase material can form based on the rutile phase of titanium oxide along with a spinel structure of ZnAlO. This material can have a dielectric constant below 15 which is simultaneously temperature stable. 1. A temperature-stable , low-dielectric constant material formed out of a ZnO—AlO—TiOternary system , the material comprising:a first phase formed out of the ternary system, the first phase being at least one spinel; anda second phase thermodynamically compatible with the first phase and formed out of the ternary system, the second phase being rutile, the material having a dielectric constant of between 8 and 15 and a loss tangent of less than 0.0001.2. The temperature-stable claim 1 , low-dielectric constant material of wherein the at least one spinel has a composition of ZnAlTiO claim 1 , x being between 0 and 0.5.3. The temperature-stable claim 1 , low-dielectric constant material of wherein the at least one spinel has a composition ZnAlO.4. The temperature-stable claim 1 , low-dielectric constant material of further including MnO.5. The temperature-stable claim 4 , low-dielectric constant material of wherein the material includes about 0.075 wt. % MnO.6. The temperature-stable claim 1 , low-dielectric constant material of wherein the material has a firing temperature of between about 1250 and about 1400° C.7. The temperature-stable claim 1 , low-dielectric constant material of wherein the ternary system includes about 0.3 to about 0.4 mole fraction ZnO claim 1 , about 0.5 to about 0.65 mole fraction AlO claim 1 , and about 0.01 to about 0.5 mole fraction TiO.8. The temperature-stable claim 1 , low-dielectric constant material of wherein the at least one spinel includes a first spinel and a second spinel claim 1 , the first spinel being different from the second spinel.9. A radiofrequency component formed out of a ZnO—AlO—TiOternary ...

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Номер записи: 89

01-02-2018 дата публикации

DIELECTRIC CERAMIC COMPOSITION, MULTILAYER CERAMIC CAPACITOR CONTAINING THE SAME, AND MANUFACTURING METHOD OF MULTILAYER CERAMIC CAPACITOR

Номер: US20180033555A1

Автор: CHOI Chang Hak, Kim Dong Hun, Lee Seung Ho, Nam Chan Hee, PARK Jung Deok, Yoon Seok Hyun

Принадлежит:

A dielectric ceramic composition contains: a barium titanate-based powder as a main ingredient; a first accessory ingredient containing Na; a second accessory ingredient containing Ba; and a third accessory ingredient containing Si. A content of the first accessory ingredient (based on moles of Na) is 0.3 to 4.0 moles per 100 moles of the main ingredient, and a Ba/Si ratio is in a range of 0.16 to 1.44. 1. A dielectric ceramic composition comprising:a barium titanate-based powder as a main ingredient;a first accessory ingredient containing sodium (Na);a second accessory ingredient containing barium (Ba); anda third accessory ingredient containing silicon (Si),wherein a content of the first accessory ingredient (based on moles of Na) is within a range of 0.3 to 4.0 moles per 100 moles of the main ingredient, anda Ba/Si ratio is within a range of 0.16 to 1.44.2. The dielectric ceramic composition of claim 1 , wherein the first accessory ingredient is NaO or NaCO.3. The dielectric ceramic composition of claim 1 , wherein the second accessory ingredient is one or more selected from the group consisting of oxides and carbonates of Ba claim 1 , and a content of the second accessory ingredient is within a range of 0.2 to 1.80 moles per 100 moles of the main ingredient.4. The dielectric ceramic composition of claim 1 , wherein the third accessory ingredient is one or more selected from the group consisting of oxides and carbonates of Si and glass containing Si claim 1 , and a content of the third accessory ingredient is within a range of 0.5 to 4.0 moles per 100 moles of the main ingredient.5. The dielectric ceramic composition of claim 1 , further comprising a fourth accessory ingredient being one or more selected from the group consisting of oxides or carbonates of rare earth elements including yttrium (Y) claim 1 , dysprosium (Dy) claim 1 , holmium (Ho) claim 1 , lanthanum (La) claim 1 , cerium (Ce) claim 1 , neodymium (Nd) claim 1 , samarium (Sm) claim 1 , gadolinium ( ...

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Номер записи: 90

05-02-2015 дата публикации

Macroporous titanium compound monolith and method for producing same

Номер: US20150037236A1

Автор: Atsushi Kitada, George Hasegawa, Hiroshi Kageyama, Kazuki Nakanishi, Yoji Kobayashi

Принадлежит: JAPAN SCIENCE AND TECHNOLOGY AGENCY

Provided are a macroporous titanium compound monolith and a production method thereof, the macroporous titanium compound monolith having a framework that is composed of a titanium compound other than titanium dioxide, having controlled macropores, and having electron conductivity, the titanium compound being oxygen-deficient titanium oxide, titanium oxynitride, or titanium nitride. Provided is a method including: placing a macroporous titanium dioxide monolith and a metal having titanium-reducing ability in a container, the macroporous titanium dioxide monolith having a co-continuous structure of a macropore and a framework that is composed of titanium dioxide; creating a vacuum atmosphere or an inert gas atmosphere within the container; and heating the monolith and the metal to cause gas-phase reduction that removes oxygen atom from the titanium dioxide composing the monolith by the metal acting as an oxygen getter, thereby obtaining a macroporous oxygen-deficient titanium oxide monolith having a co-continuous structure of the macropore and a framework that is composed of oxygen-deficient titanium oxide, the macroporous oxygen-deficient titanium oxide monolith having electron conductivity derived from the oxygen-deficient titanium oxide.

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Номер записи: 91

11-02-2016 дата публикации

CERAMIC PRECURSOR BATCH COMPOSITION AND METHOD OF INCREASING CERAMIC PRECURSOR BATCH EXTRUSION RATE

Номер: US20160039718A1

Автор: DeRosa Michael Edward, Wu Lung-Ming

Принадлежит: CORNING INCORPORATED

A ceramic precursor batch composition comprising inorganic ceramic-forming ingredients, a hydrophobically modified cellulose ether binder having a molecular weight less than or equal to about 300,000 g/mole and an aqueous solvent is provided. The ceramic precursor batch composition has a ratio of binder to aqueous solvent of less than about 0.32. The ceramic precursor batch composition may be used to increase the rate of extrusion of the composition. A method for increasing a rate of extrusion of a ceramic precursor batch composition is also disclosed. 1. A ceramic precursor batch composition , comprising:inorganic ceramic-forming ingredients;a hydrophobically modified cellulose ether binder having a molecular weight less than or equal to about 300,000 g/mole;an aqueous solvent; andwherein MC/W is less than about 0.32, MC is a weight % of the hydrophobically modified cellulose ether binder based on a 100% of the inorganic ceramic-forming ingredients, and W is a weight % of water based on the 100% of the inorganic ceramic-forming ingredients.2. The ceramic paste composition of wherein the hydrophobically modified cellulose ether binder has a molecular weight of from about 50 claim 1 ,000 g/mole to about 300 claim 1 ,000 g/mole.3. The ceramic paste composition of wherein the hydrophobically modified cellulose ether binder has a molecular weight of from about 100 claim 1 ,000 g/mole to about 200 claim 1 ,000 g/mole.4. The ceramic precursor batch composition of wherein the hydrophobically modified cellulose ether binder has a molecular weight of from about 200 claim 1 ,000 g/mole.5. The ceramic precursor batch composition of wherein the hydrophobically modified cellulose ether binder has a molecular weight of from about 100 claim 1 ,000 g/mole.6. The ceramic precursor batch composition of wherein the aqueous solvent is water.7. The ceramic precursor batch composition of wherein MC/W is less than about 0.22.8. The ceramic precursor batch composition of wherein the ...

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Номер записи: 92

11-02-2016 дата публикации

Titanium compound-containing core-shell powder and method of making the same, and titanium compound-containing sintered body

Номер: US20160039721A1

Автор: Masayuki Fujimoto

Принадлежит: Yageo Corp

A titanium compound-containing core-shell powder includes a plurality of core-shell particles, each of which includes a core body and a shell layer encapsulating said core body. The core body is electrically conductive. The shell layer includes a crystal that is selected from titanate oxides having a perovskite structure and titanate oxides having a spinel structure. The core body and the shell layer are chemically bonded to each other.

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Номер записи: 93

08-02-2018 дата публикации

MELTED PRODUCT WITH A HIGH ZIRCONIUM CONTENT

Номер: US20180037509A1

Автор: Cabodi Isabelle, GAUBIL Michel Marc, MORAND Christel

Принадлежит:

A fused-cast refractory product including, as mass percentages on the basis of the oxides and for a total of 100% of the oxides: ZrO+HfO: remainder to 100%, with HfO≦5%; SiO: 1.5% to 7.5%; AlO: 1.0% to 3.0%; CaO+SrO: 1.2% to 3.0%; YO: 1.5% to 3.0%; NaO+KO: <0.15%; BO: <1.0%; PO: <0.15%; FeO+TiO: <0.55%; oxide species other than ZrO, HfO, SiO, AlO, NaO, KO, BO, CaO, SrO, YO, PO, FeOand TiO: <1.5%. 1. Fused-cast refractory product comprising , as mass percentages on the basis of the oxides and for a total of 100% of the oxides:{'sub': 2', '2', '2, 'ZrO+HfO: remainder to 100%, with HfO≦5%;'}{'sub': '2', 'SiO: 1.5% to 7.5%;'}{'sub': 2', '3, 'AlO: 1.0% to 3.0%;'}CaO+SrO: 1.2% to 3.0%;{'sub': 2', '3, 'YO: 1.5% to 3.0%;'}{'sub': 2', '2, 'NaO+KO: <0.15%;'}{'sub': 2', '3, 'BO: <1.0%;'}{'sub': 2', '5, 'PO: <0.15%;'}{'sub': 2', '3', '2, 'FeO+TiO: <0.55%;'}{'sub': 2', '2', '2', '2', '3', '2', '2', '2', '3', '2', '3', '2', '5', '2', '3', '2, 'oxide species other than ZrO, HfO, SiO, AlO, NaO, KO, BO, CaO, SrO, YO, PO, FeOand TiO: <1.5%.'}2. Product according to claim 1 , in which the mass content of YOis less than or equal to 2.5%.3. Product according to claim 1 , in which the mass content of YOis greater than or equal to 1.7%.4. Product according to claim 1 , in which the mass content of CaO+SrO is less than or equal to 2.5%.5. Product according to claim 1 , in which the mass content of CaO+SrO is greater than or equal to 1.3%.6. Product according to claim 1 , in which the mass content of CaO+SrO is greater than or equal to 1.8%.7. Product according to claim 1 , in which the mass content of silica SiOis greater than or equal to 2.5%.8. Product according to claim 1 , in which the mass content of silica SiOis less than or equal to 7.0%.9. Product according to claim 1 , in which the mass content of silica SiOis less than or equal to 6.0%.10. Product according to claim 1 , in which the mass content of AlOis less than or equal to 2.5%.11. Product according to claim 1 , in which the ...

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Номер записи: 94

04-02-2021 дата публикации

DIELECTRIC MATERIAL AND MULTILAYER CERAMIC CAPACITOR INCLUDING THE SAME

Номер: US20210035737A1

Автор: Doi Toshihiro, Hata Kotaro, Yamaguchi Ken

Принадлежит:

A dielectric material which satisfies X9M characteristics and ensures operations over an extended period of time at 200° C. is provided. 1. A dielectric material comprising:x molar parts of Ba, c molar parts of Si, d molar parts of Mg, e molar parts of Mn, f molar parts of V, and g molar parts of rare earth element Re (Re contains at least Y), wherein x=100(1−a)+b, 0.05 Подробнее

Номер записи: 95

11-02-2016 дата публикации

Multilayer ceramic capacitor

Номер: US20160042866A1

Автор: Takayuki Yao

Принадлежит: Murata Manufacturing Co Ltd

A multilayer ceramic capacitor that has alternately stacked dielectric layers containing, as their main constituent, a barium titanate based compound that has a perovskite-type crystal structure; and internal electrode layers with electrode defects. The internal electrode layers are 0.6 μm or less in thickness. The electrode defects have electrode defects containing an Al—Si based oxide mainly containing Al and Si. The number of the electrode defects containing the Al—Si based oxide is 30% or more in number ratio to the total number of electrode defects in the internal electrodes.

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Номер записи: 96

24-02-2022 дата публикации

PHOSPHOR AND LIGHT-EMITTING EQUIPMENT USING PHOSPHOR

Номер: US20220056339A1

Автор: HIROSAKI Naoto, Ueda Kyota, Yamamoto Hajime

Принадлежит:

Phosphors include a CaAlSiNfamily crystal phase, wherein the CaAlSiNfamily crystal phase comprises at least one element selected from the group consisting of Mn, Ce, Pr, Nd, Sm, Eu, Tb, Dy, Ho, Er, Tm, and Yb. 1. Light-emitting equipment , comprising at least one light source , the light source comprising at least one light-emitting source and a phosphor , wherein:the light-emitting source emits a light having a wavelength of 330 to 500 nm; andthe phosphor comprises an inorganic compound which is a composition containing at least M Element, A Element, D Element, E Element, and X Element;the M Element is one or two or more elements selected from the group consisting of Mn, Ce, Pr, Nd, Sm, Eu, Tb, Dy, Ho, Er, Tm, and Yb;the A Element is one or two or more elements selected from the group consisting of divalent metal elements other than M Element;the D Element is one or two or more elements selected from the group consisting of tetravalent metal elements;the E Element is one or two or more elements selected from the group consisting of trivalent metal elements;the X Element is one or two or more elements selected from the group consisting of O, N, and F;the M Element comprises at least Eu;the A Element comprises at least Ca or at least Ca and Sr;the D Element comprises at least Si;the E Element comprises at least Al;the X Element comprises at least N; and {'br': None, 'sub': a', 'b', 'c', 'd', 'e, 'MADEX'}, 'the inorganic compound is a composition given bywhere:a+b=1;0.00001≤a≤0.1;0.5≤c≤1.8;0.5≤d≤1.8;0.8×(2/3+4/3×c+d)≤e; ande≤1.2×(2/3+4/3×c+d).2. The light-emitting equipment according to claim 1 , wherein the light-emitting source emits a light having a wavelength of 420 to 500 nm.3. The light-emitting equipment according to claim 2 , wherein the phosphor further comprises at least one of:a phosphor having an emission peak at a wavelength of 500 to 570 nm; anda phosphor having an emission peak at a wavelength of 550 to 600 nm.4. The light-emitting equipment according ...

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Номер записи: 97

24-02-2022 дата публикации

DIELECTRIC THIN FILM, DIELECTRIC THIN FILM ELEMENT, PIEZOELECTRIC ACTUATOR, PIEZOELECTRIC SENSOR, HEAD ASSEMBLY, HEAD STACK ASSEMBLY, HARD DISK DRIVE, PRINTER HEAD AND INKJET PRINTER DEVICE

Номер: US20220059753A1

Автор: Funakubo Hiroshi, HASEGAWA Miyu, ISHIDA Mirai, ISHIHAMA Keisuke, SATO Wakiko, SATO Yusuke, SHIMIZU Takao

Принадлежит:

Provided is a dielectric thin film including a metal oxide. The metal oxide includes bismuth, sodium, barium, and titanium, at least a part of the metal oxide is a tetragonal crystal having a perovskite structure, and a (100) plane of at least a part of the tetragonal crystal is oriented in a normal direction do of a surface of the dielectric thin film 1. A dielectric thin film , including:a metal oxide,wherein the metal oxide includes bismuth, sodium, barium, and titanium,at least a part of the metal oxide is a tetragonal crystal having a perovskite structure, anda (100) plane of at least a part of the tetragonal crystal is oriented in a normal direction of a surface of the dielectric thin film.2. The dielectric thin film according to claim 1 , {'br': None, 'i': x', '−x, 'sub': 0.5', '0.5', '3', '3, '(1−)(BiNa)TiOBaTiO\u2003\u2003(1)'}, 'wherein the metal oxide is expressed by the following Chemical Formula 1.'}[In the above Chemical Formula 1, x satisfies 0.15≤x≤0.40.]3. The dielectric thin film according to claim 1 ,wherein when an electric field parallel to the normal direction of the surface of the dielectric thin film is applied to the dielectric thin film, a peak area of a diffracted X-ray of a (001) plane of the tetragonal crystal does not increase.4. The dielectric thin film according to claim 1 ,wherein when an electric field parallel to the normal direction of the surface of the dielectric thin film is applied to the dielectric thin film, a peak area of a diffracted X-ray of a (001) plane of the tetragonal crystal increases.5. The dielectric thin film according to claim 1 ,wherein in a state in which an electric field parallel to the normal direction of the surface of the dielectric thin film is applied to the dielectric thin film,a (100) plane of a part of the tetragonal crystal is oriented in the normal direction of the surface of the dielectric thin film, anda (001) plane of another part of the tetragonal crystal is oriented in the normal direction of ...

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Номер записи: 98

15-02-2018 дата публикации

REFRACTORY BLOCK AND GLASS-MELTING FURNACE

Номер: US20180044241A1

Автор: Citti Olivier, Gaubil Michel, Lechevalier David, Soury Benjamin

Принадлежит:

A molten refractory product having the following average chemical composition, in wt % on the basis of oxides and for a total of 100%: AlO: balance to 100%; FeO: 0.6%-5.0% and/or TiO: 1.5%-10.0%; FeO+TiO≦10.0%; NaO+KO: 1.0%-8.0%; SiO: 0.2%-2.0%; CaO+BaO+SrO: ≦0.5%; Other oxide species: ≦1.5%. Also, a glass-melting furnace and the use of the refractory product in the glass-melting furnace. 1. A molten refractory product having the following average chemical composition , as weight percentages on the basis of oxides and for a total of 100%:{'sub': 2', '3, 'AlO: balance to 100%;'}{'sub': 2', '3', '2, 'FeO: 0.6%-5.0% and/or TiO: 1.5%-10.0%;'}{'sub': 2', '3', '2, 'provided that FeO+TiO≦10.0%;'}{'sub': 2', '2, 'NaO+KO: 1.0%-8.0%;'}{'sub': '2', 'SiO: 0.2%-2.0%;'}CaO+BaO+SrO: ≦0.5%;{'sub': 2', '3', '2', '3', '2', '2', '2', '2, 'oxide species other than AlO, FeO, TiO, NaO, KO, SiO, CaO, BaO and SrO: ≦1.5%.'}2. The product as claimed in claim 1 , wherein the content of FeO+TiOis less than or equal to 8.0%.3. The product as claimed in claim 1 , wherein the content of FeOis less than or equal to 3.0%.4. The product as claimed in claim 1 , wherein the content of TiOis less than or equal to 6.0%.5. The product as claimed in claim 1 , wherein the content of TiOis between 2.5%-5.0% and the content of FeO+TiOis between 2.5%-6.0%.6. The product as claimed in claim 1 , wherein the content of FeOis between 1.0%-3.0% and the content of TiOis between 2.0%-4.0%.7. The product as claimed in claim 1 , wherein the content of SiOis less than or equal to 1.0%.8. The product as claimed in claim 1 , wherein the content of NaO+KO is less than or equal to 7.0%.9. The product as claimed in claim 1 , which is in the form of a block having a weight of more than 10 kg.10. A glass-melting furnace claim 1 , comprising a product as claimed in .11. The furnace as claimed in claim 10 , wherein said product is arranged in a superstructure. The invention relates to a molten refractory product having a high ...

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Номер записи: 99

15-02-2018 дата публикации

THREE-LAYERED NANOCOMPOSITE WITH IMPROVED THERMAL AND HEAT PROPERTIES AND PRODUCTION THEREOF

Номер: US20180044535A1

Автор: ENGIN SAGIRLI Fatma Zehra, KAYALI Eyup Sabri, SARAC A. Sezai

Принадлежит: ISTANBUL TEKNIK UNIVERSITESI REKTORLUGU

The invention is related to three-layered nanocomposites which are created by encapsulating a ceramic particle in latex as “coreshell” and coating a conductive polymer on this structure. 1. A production method of a three-layered nanocomposite with improved thermal and heat properties comprising the steps of:preparing surfactant-water solution,while vigorously stirring the surfactant-water solution, adding ceramic particles at different rates into a structure forming acrylonitrile and copolymer,after stirring the surfactant-water solution for a certain amount of time, adding another monomer into the structure,leaving the structure in ultrasonic mixer in order to form a micro emulsion,adding an initiator into the structure,coating a latex shell on a ceramic particle core by polymerization and establishing a core-shell structure, andby adding conductive monomers into the core-shell structure established after polymerization, coating conductive polymer onto the latex coated ceramic particle.2. The production method of a three-layered nanocomposite with improved thermal and heat properties according to claim 1 , wherein all the monomers form copolymer with acrylonitrile claim 1 , and all the monomers are suitable for a system.3. The production method of a three-layered nanocomposite with improved thermal and heat properties according to claim 1 , wherein the ceramic particle is barium titanate particle.4. The production method of a three-layered nanocomposite with improved thermal and heat properties according to claim 1 , wherein the conductive polymer is selected from the group consisting of pyrrole claim 1 , aniline claim 1 , and thiophene.5. The production method of a three-layered nanocomposite with improved thermal and heat properties according to claim 1 , wherein ratios of nanoparticle claim 1 , monomers and conductive polymer monomer are defined depending on the ratio of the surfactant.6. The production method of a three-layered nanocomposite with improved ...

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Номер записи: 100