COLD SINTERING CERAMICS AND COMPOSITES

Cold sintering of materials includes using a process of combining at least one inorganic compound, e.g., ceramic, in particle form with a solvent that can partially solubilize the inorganic compound to form a mixture; and applying pressure and a low temperature to the mixture to evaporate the solvent and densify the at least one inorganic compound to form sintered materials. 1. A process for preparing a sintered material , the process comprising combining at least one inorganic compound in particle form having a particle size of less than 50 μm with a solvent that can partially solubilize the inorganic compound to form a mixture; and applying pressure and heat to the mixture to evaporate the solvent and densify the at least one inorganic compound to form the sintered material , wherein the applied heat is at a temperature of no more than 200° C. above the boiling point of the solvent.2. The process according to further comprising combining the at least one inorganic compound in particle form and at least one other substance with a solvent that can partially solubilize the inorganic compound to form a mixture; and applying pressure and heat to the mixture to evaporate the solvent and densify the at least one inorganic compound to form the composite claim 1 , wherein the applied heat is at a temperature of no more than 200° C. above the boiling point of the solvent.3. The process according to claim 1 , wherein the solvent includes one or more source compounds.4. A process for preparing a sintered material on a substrate claim 1 , the process comprising depositing a ceramic on a substrate followed by exposing the deposited ceramic to an aqueous solvent to form a wetted deposited ceramic and applying pressure and heat to the wetted deposited ceramic to sinter the ceramic on the substrate claim 1 , wherein the applied heat is no more than 200° C. claim 1 , the applied pressure is no more than 5 claim 1 ,000 MPa and the ceramic is sintered to a relative density of no less ...

Dielectric Ceramic Composition and Ceramic Capacitor Using the Same

a dielectric ceramic composition comprising a main component comprising an oxide represented by:UaXbYcZd((Ca1-x-ySrxMy)m(Zr1-u-vTiuHfv)O3)1-a-b-c-dwherein the elements defined by U, X, Y, Z and M and subscripts a, b, c, d, x, y, m, u and v are defined.

Resonant Multilayer Ceramic Capacitors

Provided is an improved multilayered ceramic capacitor and an electronic device comprising the multilayered ceramic capacitor. The multilayer ceramic capacitor comprises first conductive plates electrically connected to first external terminations and second conductive plates electrically connected to second external terminations. The first conductive plates and second conductive plates form a capacitive couple. A ceramic portion is between the first conductive plates and said second conductive plates wherein the ceramic portion comprises paraelectric ceramic dielectric. The multilayer ceramic capacitor has a rated DC voltage and a rated AC Vwherein the rated AC Vis higher than the rated DC voltage. 1. A multilayer ceramic capacitor comprising:first conductive plates electrically connected to first external terminations and second conductive plates electrically connected to second external terminations wherein said first conductive plates and said second conductive plates form a capacitive couple; anda ceramic portion between said first conductive plates and said second conductive plates wherein said ceramic portion comprises paraelectric ceramic dielectric;{'sub': PP', 'PP, 'wherein said multilayer ceramic capacitor has a rated DC voltage and a rated AC Vwherein said rated AC Vis higher than said rated DC voltage.'}2. The multilayer ceramic capacitor of wherein said rated AC Vis 950 Vto 5700 V.3. The multilayer ceramic capacitor of wherein said paraelectric ceramic dielectric comprises an oxide defined by General Formula A:{'br': None, 'sub': e', 'g', 'j', 'k', 'p', 'q', '3, '(CaSr)(ZrTi)O\u2003\u2003 General Formula A'}wherein:e=0.60 to 1.00;g=0.00 to 0.40;k=0.50 to 0.97;p=0.03 to 0.50; andj/q=0.99 to 1.01.4. The multilayer ceramic capacitor of wherein at least 90 mole % of said ceramic portion is said paraelectric ceramic dielectric defined by General Formula A.5. The multilayer ceramic capacitor of wherein said Ca or Zr are substituted with Ba or Mg.6. The ...

Cold sintering ceramics and composites

Cold sintering of materials includes using a process of combining at least one inorganic compound, e.g., ceramic, in particle form with a solvent that can partially solubilize the inorganic compound to form a mixture; and applying pressure and a low temperature to the mixture to evaporate the solvent and densify the at least one inorganic compound to form sintered materials.

Cold sintering composites and ceramics

Cold sintering of materials includes using a process of combining at least one inorganic compound, e.g., ceramic, in particle form with a solvent that can partially solubilize the inorganic compound to form a mixture; and applying pressure and a low temperature to the mixture to evaporate the solvent and densify the at least one inorganic compound to form sintered materials.

Cold sintering ceramics and composites

Cold sintering of materials includes using a process of combining at least one inorganic compound, e.g., ceramic, in particle form with a solvent that can partially solubilize the inorganic compound to form a mixture; and applying pressure and a low temperature to the mixture to evaporate the solvent and densify the at least one inorganic compound to form sintered materials.

Dielectric ceramic composition and multi-layered ceramic capacitor comprised thereof

This invention relates to a multilayer ceramic capacitor produced by alternatively stacking the ceramic dielectric layers and internal electrodes mainly comprise base metals. The present dielectric ceramic composition having a main component with a perovskite structure ABO3 formula of: (KxNayLizA1-x-y-z)m(NbuTavBw)O3 wherein: A is at least one selected from the alkaline earth element group of Ca, Sr, and Ba; B is at least one selected from the group of Ti, Zr, Hf and Sn; and wherein: x, y, z, u, v, and w are molar fractions of respective elements, and m is the molar ratio of A-site and B-site elements. They are in the following respective range: 0.95.m.1.05; 0.05.X.0.90; 0.05.y.0.90; 0.00.z.0.12; 0<u<1; 0.0.w.0.3; u+v+w=1.

Dielectric ceramic composition and multi-layered ceramic capacitor comprised thereof

This invention relates to a multilayer ceramic capacitor produced by alternatively stacking the ceramic dielectric layers and internal electrodes mainly comprise base metals. The present dielectric ceramic composition having a main component with a perovskite structure ABO3 formula of:(KxNayLizA1-x-y-z)m(NbuTav)O3wherein:A, B, x, y, z, u, v, w, m, u, v and w are defined further.The dielectric ceramic composition further contains:a first accessory ingredient composes at least one selected from the rare-earth compounds; a second accessory ingredient composes at least one selected from transition metal compounds; and a third accessory ingredient.

Dielectric ceramic composition and ceramic capacitor using the same

The present invention discloses a dielectric ceramic formula enabling one to obtain a multilayer ceramic capacitor by alternatively stacking the ceramic dielectric layers and base metal internal electrodes. The dielectric ceramic composition comprises a primary ingredient: [(Na 1-x K x ) s A 1-s ] m [(Nb 1-y Ta y ) u B1 v B2 w )]O 3 wherein: A, B1, B2, x, y, s, u, v, w and m are defined.

Dielectric ceramic composition and ceramic capacitor using the same

a dielectric ceramic composition comprising a main component comprising an oxide represented by: UaXbYcZd((Ca1-x-ySrxMy)m(Zr1-u-vTiuHfv)O3)1-a-b-c-d wherein the elements defined by U, X, Y, Z and M and subscripts a, b, c, d, x, y, m, u and v are defined.

Resonant multilayer ceramic capacitors

Provided is an improved multilayered ceramic capacitor and an electronic device comprising the multilayered ceramic capacitor. The multilayer ceramic capacitor comprises first conductive plates electrically connected to first external terminations and second conductive plates electrically connected to second external terminations. The first conductive plates and second conductive plates form a capacitive couple. A ceramic portion is between the first conductive plates and said second conductive plates wherein the ceramic portion comprises paraelectric ceramic dielectric. The multilayer ceramic capacitor has a rated DC voltage and a rated AC VPP wherein the rated AC VPP is higher than the rated DC voltage.

Dielectric ceramic composition and ceramic capacitor using the same

a dielectric ceramic composition comprising a main component comprising an oxide represented by: UaXbYcZd((Ca1-x-ySrxMy)m(Zr1-u-vTiuHfv)O3)1-a-b-c-d wherein the elements defined by U, X, Y, Z and M and subscripts a, b, c, d, x, y, m, u and v are defined.

Cold sintering ceramics and composites

Dielectric ceramic composition and ceramic capacitor using the same

The present invention discloses a dielectric ceramic formula enabling one to obtain a multilayer ceramic capacitor by alternatively stacking the ceramic dielectric layers and base metal internal electrodes. The dielectric ceramic composition comprises a primary ingredient: [(Na 1-x K x ) s A 1-s ] m [(Nb 1-y Ta y ) u B1 v B2 w )]O 3 wherein: A is at least one selected from the alkaline-earth element group of Mg, Ca, Sr, and Ba; B1 is at least one selected from the group of Ti, Zr, Hf and Sn; B2 is at least one selected from transition metal elements; and wherein: x, y, s, u, v, and w are molar fractions of respective elements, and m is the molar ratio of [(Na 1-x K x ) s A 1-s ] and [(Nb 1-y Ta y ) u B1 v B2 w )]. They are in the following respective range: 0.93<=m<=1.07; 0.7<=s<=1.0; 0<=x<=0.05; 0<=y<=0.65; 0.7<=u<=1.0; 0<=v<=0.3; 0.001<=w<=0.100.

Cold sintering ceramics and composites

Cold sintering of materials includes using a process of combining at least one inorganic compound, e.g., ceramic, in particle form with a solvent that can partially solubilize the inorganic compound to form a mixture; and applying pressure and a low temperature to the mixture to evaporate the solvent and densify the at least one inorganic compound to form sintered materials.

Cold sintering ceramics and composites

Cold sintering of materials includes using a process of combining at least one inorganic compound, e.g., ceramic, in particle form with a solvent that can partially solubilize the inorganic compound to form a mixture; and applying pressure and a low temperature to the mixture to evaporate the solvent and densify the at least one inorganic compound to form sintered materials.

Resonant multilayer ceramic capacitors

Provided is an improved multilayered ceramic capacitor and an electronic device comprising the multilayered ceramic capacitor. The multilayer ceramic capacitor comprises first conductive plates electrically connected to first external terminations and second conductive plates electrically connected to second external terminations. The first conductive plates and second conductive plates form a capacitive couple. A ceramic portion is between the first conductive plates and said second conductive plates wherein the ceramic portion comprises paraelectric ceramic dielectric. The multilayer ceramic capacitor has a rated DC voltage and a rated AC VPP wherein the rated AC VPP is higher than the rated DC voltage.

Cold sintering ceramics and composites

Cold sintering of materials includes using a process of combining at least one inorganic compound, e.g., ceramic, in particle form with a solvent that can partially solubilize the inorganic compound to form a mixture; and applying pressure and a low temperature to the mixture to evaporate the solvent and densify the at least one inorganic compound to form sintered materials.