Recording layer for optical information recording medium, optical information recording medium, and sputtering target

A recording layer for optical information recording medium excellent in recording property, an optical information recording medium including the recording layer and a sputtering target useful for formation of the recording layer are provided. A recording layer for an optical information recording medium on which recording is performed through irradiation with laser light, the recording layer including an oxide of a metal of which an absolute value of the standard free energy of oxide formation per 1 mol of oxygen is larger than that of Pd (hereinafter referred to metal X) and a Pd oxide, wherein the Pd oxide includes a Pd monoxide and a Pd dioxide, and wherein a ratio of the Pd atom to a total of the metal X atom and the Pd atom which are contained in the recording layer is 4 to 85 atomic %.

Phase-change material and phase-change type memory device

A phase-change material, which has a high crystallization temperature and is superior in thermal stability of the amorphous phase, which has a composition of the general chemical formula Ge x M y Te 100-x-y wherein M indicates one type of element which is selected from the group which comprises Al, Si, Cu, In, and Sn, x is 5.0 to 50.0 (at %) and y is 4.0 to 45.0 (at %) in range, and x and y are selected so that 40 (at %)≦x+y≦60 (at %). This phase-change material further contains, as an additional element L, at least one type of element L which is selected from the group which comprises N, O, Al, Si, P, Cu, In, and Sn in the form of Ge x M y L z Te 100-x-y-z wherein z is selected so that 40 (at %)≦x+y+z≦60 (at %).

Recording film for optical information recording medium, optical information recording medium, and sputtering target used to form said recording film

Provided is a recording film for an optical information recording medium with which it is possible to meet all predetermined characteristics requirements and increase productivity while reducing the number of layers in the optical information recording medium. The present invention relates to a recording film for an optical information recording medium on which recording is performed by laser light irradiation, wherein the recording film for an optical information recording medium includes: Mn; at least one element (group X element) selected from the group consisting of Bi, Ag, Co, Cu, In, Sn, and Zn (group X); and oxygen (O). At least some of the Mn and at least some of the group X element are oxidized.

Recording layer for optical data recording medium, optical data recording medium, and sputtering target

A recording layer for an optical data recording medium according to one embodiment of the present invention makes it possible to record an information signal by irradiation with laser beam. The recording layer for an optical data recording medium comprises metal oxides including a Mn oxide, a W oxide, and a Sn oxide. The atomic ratio of Mn with respect to the total number of atoms of metal elements constituting the metal oxides is 3-40 atm %.

SYSTEM AND METHOD FOR USING STAINLESS STEEL AS A DATA ARCHIVING MEDIUM

An apparatus, method, and computer readable medium for writing data on a highly indestructible material is disclosed. A laser may write data on a first side of a highly indestructible material. The data may then be marked as non-rewriteable. The data may also be written on a second side of the highly indestructible material, with the second side being opposite the first side. The highly indestructible material may comprise a stainless steel storage medium. 1. A method for writing data on a highly indestructible material , the method comprising:writing, using a laser, data on a first side of highly indestructible material;marking the data as non-rewriteable; andwriting, using the laser, the data on a second side of the highly indestructible material, wherein the second side is opposite the first side.2. The method of claim 1 , wherein the data is written on the first side and the second side simultaneously.3. The method of claim 1 , wherein the highly indestructible material is stainless steel.4. A method for writing data on a stainless steel band claim 1 , the method comprising:writing, using a laser, data on a top side of the band;marking the data as non-rewriteable; andwriting, using the laser, the data on a bottom side of the band, wherein the top side is opposite the bottom side.5. The method of claim 4 , wherein the data is written on the top side and the bottom side simultaneously.6. The method of claim 4 , wherein the data on the band is organized into packets claim 4 , blocks claim 4 , and directories.7. A non-transitory computer readable storage medium having encoded thereon computer executable instructions for a computer-implemented method claim 4 , comprising:presenting a graphical user interface that provides options for storing data to at least one of a group of temporary storage, semi-permanent storage, and permanent storage; andbased upon user selection, storing the data to the selected at least of a group.8. The medium of claim 7 , wherein the ...

SINTERED COMPACT TARGET AND METHOD OF PRODUCING SINTERED COMPACT

A sintered compact target containing an element(s) (A) and an element(s) (B) as defined below is provided. The sintered compact target is free from pores having an average diameter of 1 μm or more, and the number of micropores having an average diameter of less than 1 μm existing in 40000 μmof the target surface is 100 micropores or less. The element(s) (A) is one or more chalcogenide elements selected from S, Se, and Te, and the element(s) (B) is one or more Vb group elements selected from Bi, Sb, As, P, and N. The provided technology is able to eliminate the source of grain dropping or generation of nodules in the target during sputtering, and additionally inhibit the generation of particles. 1. A sintered compact target comprising compositional constituents (A) and (B) , where (A) represents one or more chalcogenide elements selected from the group consisting of S , Se , and Te , and (B) represents one or more elements selected from the group consisting of Bi , Sb , As , P , and N , wherein the sintered compact target is free from pores having an average diameter of 1 μm or more , and the number of micropores having an average diameter of 0.1 to 1 μm existing in an area of 40000 μmof the target surface at random check is 100 micropores or less , and wherein the sintered compact target has a purity , excluding gas components , of 99.99% (4N) or higher , an oxygen content as a gas component of 2000 ppm or less , and an average crystal grain size of 50 μg or less.2. The sintered compact target according to claim 1 , wherein the sintered compact has an alloy system selected from the group consisting of Ge—Sb—Te claim 1 , Ag—In—Sb—Te claim 1 , and Ge—In—Sb—Te.3. The sintered compact target according to claim 1 , wherein the sintered compact target has a structure having a deflecting strength of 40 MPa or more claim 1 , a relative density of 99.8% or higher claim 1 , a standard deviation of less than 1% for the relative density claim 1 , and a variation in the ...

RECORDING LAYER, INFORMATION RECORDING MEDIUM, AND TARGET

The present invention relates to an information recording medium that has good enough recording characteristics even without containing Pd. The information recording medium has a recording layer including an oxide of Mn in which Mn atoms are partially or fully present as Mn with a valence of +4. 1. An information recording medium comprising: a recording layer comprising an oxide of Mn , wherein Mn atoms in the oxide of Mn are partially or fully present as Mn with a valence of +4.2. The information recording medium according to claim 1 , wherein the recording layer further comprises an oxide of a metal other than Mn claim 1 , and the metal is at least one selected from the group consisting of Sn claim 1 , Zn claim 1 , Bi claim 1 , Ge claim 1 , Co claim 1 , W claim 1 , Cu claim 1 , and Al.3. The information recording medium according to claim 1 , wherein the recording layer comprises a first recording layer and a second recording layer claim 1 , and the first and second recording layers have different material compositions.4. The information recording medium according to further comprising a dielectric layer provided on at least one surface of the recording layer.5. The information recording medium according to claim 4 , wherein the dielectric layer comprises at least one selected from the group consisting of an oxide claim 4 , a nitride claim 4 , a sulfide claim 4 , a carbide claim 4 , and a fluoride.6. The information recording medium according to claim 1 , wherein the recording layer comprises MnOas a main component.7. The information recording medium according to claim 1 , wherein the recording layer comprises claim 1 , as main components claim 1 , MnOand an oxide of at least one metal element selected from the group consisting of Sn claim 1 , Zn claim 1 , Bi claim 1 , Ge claim 1 , Co claim 1 , W claim 1 , Cu claim 1 , and Al.8. The information recording medium according to claim 1 , wherein the recording layer further comprises an oxide of Mg.9. The information ...

OPTICAL RECORDING MEDIUM

An optical recording medium includes a plurality of information signal layers on which information signals are to be optically recorded. Among the plurality of information signal layers, the information signal layer closest to the light-receiving surface has a reflectance of more than 4%. 1. An optical recording medium , comprising:a light-receiving surface configured to receive incident light; andat least three information signal layers,wherein a first information signal layer of the at least three information signal layers is closest to the light-receiving surface and has a reflectance in a range of 4% to 11%, andwherein a reflectance difference between the first information signal layer and a third information signal layer of the at least three information signal layers is at least 1%.2. The optical recording medium according to claim 1 , wherein the reflectance difference is at least 2%.3. (canceled)4. The optical recording medium according to claim 1 , wherein a rate of track cross signal displacement is less than 0.16.5. The optical recording medium according to claim 1 , wherein a rate of track cross signal displacement is at most 0.15.6. The optical recording medium according to claim 1 , wherein each of the at least three information signal layers comprises a first dielectric layer claim 1 , a recording layer claim 1 , and a second dielectric layer.7. The optical recording medium according to claim 6 , wherein a first thickness of the first dielectric layer is same as a second thickness of the second dielectric layer.8. The optical recording medium according to claim 6 , wherein the recording layer comprises a complex oxide of a first metal and a second metalthe first metal is at least one selected from the group consisting of W, Zn, Mg, Zr, Si, In, Sn, Sb, and Te, andthe second metal is at least one selected from the group consisting of Mn, Pd, Fe, Ni, Cu, Ag, and Ru.9. The optical recording medium according to claim 1 ,wherein each of the at least three ...

SINTERED COMPACT TARGET AND METHOD OF PRODUCING SINTERED COMPACT

A sintered compact target containing an element(s) (A) and an element(s) (B) as defined below is provided. The sintered compact target is free from pores having an average diameter of 1 μm or more, and the number of micropores having an average diameter of less than 1 μm existing in 40000 μmof the target surface is 100 micropores or less. The element(s) (A) is one or more chalcogenide elements selected from S, Se, and Te, and the element(s) (B) is one or more Vb group elements selected from Bi, Sb, As, P, and N. The provided technology is able to eliminate the source of grain dropping or generation of nodules in the target during sputtering, and additionally inhibit the generation of particles. 1. A method of producing a sintered compact containing an element (A) and an element (B) , comprising the steps of:mixing raw material powder composed of respective elements or raw material powder of an alloy of two or more elements;{'sub': 0', '0', '0', '0', '0, 'vacuum hot pressing the mixed powder under conditions that satisfy the following formula: P (pressure)≤(Pf/(Tf−T))×(T−T)+Pwherein Pf: final pressure, Tf: final temperature, P: atmospheric pressure, T: heating temperature, T: room temperature, and temperatures are in Celsius; and'}{'sub': 'hip', 'further performing hot isostatic pressing (HIP) treatment under the conditions of P>5×Pf;'}{'sup': '2', 'wherein the sintered compact is free from pores having an average diameter of 1 μm or more, and the number of micropores having an average diameter of less than 1 μm existing in an area of 40,000 μmof the target surface is 100 micropores or less; and'}wherein (A): one or more chalcogenide elements selected from S, Se, and Te and (B): one or more elements selected from Bi, Sb, As, P, and N.2. The method of producing a sintered compact according to claim 1 , wherein a composition of the sintered compact is selected from the group consisting of Ge—Sb—Te claim 1 , Ag—In—Sb—Te claim 1 , and Ge—In—Sb—Te.3. The method of ...

Optical recording medium

An optical recording medium includes a recording layer including a reflective layer, two dielectric layers, and a phase-change recording layer. The phase-change recording layer-side dielectric layer of the two dielectric layers contains tantalum oxide or a composite oxide composed of silicon oxide, indium oxide, and zirconium oxide. The reflective layer-side dielectric layer of the two dielectric layers contains a composite oxide composed of silicon oxide, indium oxide, and zirconium oxide, a composite oxide composed of indium oxide and gallium oxide, or a composite oxide composed of zinc oxide and aluminum oxide.

RECORDING LAYER FOR OPTICAL RECORDING MEDIUM AND OPTICAL RECORDING MEDIUM

An optical recording medium includes a transmissive recording layer containing an oxide of a metal M, an oxide of a metal M, and an oxide of a metal M. The metal Mis at least one kind selected from the group consisting of Mn and Ni. The metal Mis at least one kind selected from the group consisting of W and Mo. The metal Mc is Zr. An atomic ratio (M/M) of the metal Mto the metal Mis not less than 0.37 and not more than 1.31. The metal Mis contained in the transmissive recording layer at not less than 0.9 atomic % and not more than 27.5 atomic %. 1. An optical recording medium comprising a transmissive recording layer containing an oxide of a metal M , an oxide of a metal M , and an oxide of a metal M ,{'sub': 'A', 'wherein the metal Mis at least one kind selected from the group consisting of Mn and Ni,'}{'sub': 'B', 'wherein the metal Mis at least one kind selected from the group consisting of W and Mo,'}wherein the metal Mc is Zr,{'sub': A', 'B', 'A', 'B, 'wherein an atomic ratio (M/M) of the metal Mto the metal Mis not less than 0.37 and not more than 1.31, and'}{'sub': 'C', 'wherein the metal Mis contained in the transmissive recording layer at not less than 0.9 atomic % and not more than 27.5 atomic %.'}2. The optical recording medium according to claim 1 ,{'sub': 'E', 'wherein the transmissive recording layer further contains an oxide of a metal M, and'}{'sub': 'E', 'wherein the metal Mis Mg.'}3. The optical recording medium according to claim 2 ,{'sub': 'E', 'wherein the metal Mis contained in the transmissive recording layer at not less than 6.6 atomic % and not more than 43.0 atomic %.'}4. The optical recording medium according to claim 1 ,wherein the number of the transmissive recording layers is two.5. The optical recording medium according to claim 1 ,{'sub': 'C', 'wherein the metal Mis contained in the transmissive recording layer at not less than 0.9 atomic % and not more than 8.5 atomic %.'}6. The optical recording medium according to claim 5 ,wherein ...

INFORMATION RECORDING MEDIUM AND METHOD FOR MANUFACTURING INFORMATION RECORDING MEDIUM

An information recording medium according to the present disclosure is an information recording medium of a write-once-read-many type and records or reproduces information when irradiated with laser light. The information recording medium includes: a substrate; a plurality of information layers at least one information layer of which includes a recording film that is a W—O-based recording film comprising at least tungsten (W) and oxygen (O); and a dielectric film A in contact with the W—O-based recording film, the dielectric film A comprising at least 30 mol % tin oxide. 1. An information recording medium which is of a write-once-read-many type and records or reproduces information when irradiated with laser light , the information recording medium comprising:a substrate;a plurality of information layers at least one information layer of which includes a recording film that is a W—O-based recording film comprising at least tungsten (W) and oxygen (O); anda dielectric film A in contact with the W—O-based recording film, the dielectric film A comprising at least 30 mol % tin oxide.2. The information recording medium according to claim 1 , wherein{'sub': '2', 'the tin oxide is SnO.'}3. The information recording medium according to claim 1 , whereinthe dielectric film A further comprises an oxide of an element M0, where M0 is at least one element selected from among Si, Ge, Al, Ga, In, Zn, Sb, Bi, Cr, V, Nb, Ta, Ti, Zr, Hf, and Y.4. The information recording medium according to claim 1 , whereinthe W—O-based recording film further comprises an element M1, where M1 is at least one element selected from among Ge, Al, Zn, Bi, Te, Cu, Ag, Au, Ni, Pd, Pt, Co, Fe, Mn, Ta, Cr, and Mo.5. The information recording medium according to claim 1 , wherein{'sub': 2', '3', '2', '2', '3', '2', '2, 'the at least one information layer includes the dielectric film A, the W—O-based recording film, and an InO—SnOdielectric film in stated order from a side closer to a surface of the ...

Ultrafast Nonvolatile Memory

The invention refers to an ultrafast quench based nonvolatile bistable device which consists of an active material on a passive or active substrate which changes its physical properties, after exposure to a sufficiently temporally short external perturbation causing an ultrafast quench. The perturbation can be from an external ultrashort laser pulse or ultrafast electrical pulse from an electrooptic device or any other generator of ultrashort pulses. This change of the materials properties can be detected as a change of optical properties or electrical resistance. The dielectric properties can be reverted back to their original state by the application of a heat pulse applied by an electrical heater within the device or an external laser.

INFORMATION RECORDING MEDIUM, METHOD FOR PRODUCING SAME, AND SPUTTERING TARGET

An information recording medium includes three or more information layers. The three or more information layers include a first information layer including a first dielectric film, a recording film, and a second dielectric film in this order. The first dielectric film contains an oxide of D1. The D1 represents at least one element selected from a first group consisting of Nb, Mo, Ta, W, Ti, Bi, and Ce. The recording film contains at least W, Cu, Mn, and oxygen and M. The M represents at least one element selected from a second group consisting of Nb, Mo, Ta, and Ti. The W, the Cu, the Mn, and the M except the oxygen in the recording film satisfy a following formula (1): 1. An information recording medium that records or reproduces information by irradiation with a laser beam , the information recording medium comprising three or more information layers ,the three or more information layers including a first information layer, the first information layer including a first dielectric film, a recording film, and a second dielectric film in this order from a farther end toward a nearer end of the first information layer from a laser beam-irradiated surface of the information recording medium,the first dielectric film containing an oxide of D1, where the D1 represents at least one element selected from a first group consisting of niobium (Nb), molybdenum (Mo), tantalum (Ta), tungsten (W), titanium (Ti), bismuth (Bi), and cerium (Ce),the recording film containing at least tungsten (W), copper (Cu), manganese (Mn), and oxygen and further containing M, where the M representing at least one element selected from a second group consisting of niobium (Nb), molybdenum (Mo), tantalum (Ta), and titanium (Ti), {'br': None, 'sub': x', 'y', 'z', '100-x-y-z, 'WCuMnM(atom %)\u2003\u2003(1),'}, 'the W, the Cu, the Mn, and the M except the oxygen in the recording film satisfying a following formula (1)whereinx, y, and z satisfy 15≤x≤60, y≤z, 0 Подробнее

Multilayered structures and their use as optical storage media

A multilayer structure that includes a substrate layer containing a mixture containing one or more copolymers that include polymerized residues from one or more styrenic monomers and one or more C 1 -C 32 linear, branched, or cyclic alkyl(meth)acrylate monomers and/or maleic-type monomers and one or more elastomeric materials; and a reflective film layer coated on a surface of the substrate layer. The multilayer structure can be used as an optical storage medium.

Optical recording medium, optical recording method and optical recording device

An optical recording medium having a substrate and at least a recording layer disposed on the substrate, the recording layer comprising at least one squarylium metal chelate compound which comprises a squarylium compound and a metal; and at least one azo metal chelate compound which comprises another metal and an azo compound expressed by the following formula (A-I): where A and B each independently expresses a residue forming one of a) a heterocyclic ring which may comprise a substituent and b) aromatic ring which may comprise a substituent, by combination with corresponding carbon atoms respectively bonded to A or B, and X expresses an active-hydrogen-containing substituent group. An optical recording method, and optical recording device using the same optical recording medium.

レ−ザ−記録材料

(57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。

Optical information recording medium

光記録媒体

(57)【要約】 【課題】 記録マーク以外の領域（結晶状態）での記録 層の吸収率（Ａｃ）と記録マーク（非結晶状態）での記 録層の吸収率（Ａａ）との差が小さいか、Ａｃ＞Ａａで あり、ＺｎＳとＳｉＯ 2 とを主成分とする誘電体層を記 録層の両側に有する相変化型光記録媒体において、オー バーライト可能回数を増大させる。 【解決手段】 記録層の下側に第１誘電体層を、上側に 第２誘電体層を有し、Ａｃ／Ａａ≧０．９であること、 および／または、光透過率が１％以上であること、を満 足し、第１誘電体層が、基体側に誘電体層１ａを、記録 層側に誘電体層１ｂを含み、［ＳｉＯ 2 ／（ＺｎＳ＋Ｓ ｉＯ 2 ）］が、誘電体層１ａにおいて２〜４０モル％ （４０モル％を含まず）、誘電体層１ｂにおいて４０〜 ８０モル％、第２誘電体層において４０〜８０モル％で あり、第２誘電体層の厚さが１０〜３５nmである光記録 媒体。

Optical information medium having separate recording layers

레이저 빔(14, 15)을 사용하여 재기록가능한 기록용의 광 정보매체는, 2개의 유전층(9, 11) 사이에 삽입된 상변화형 기록층(10)을 구비한 제 1 기록 적층체(8)와, 2개의 유전층(4, 6) 사이에 삽입된 상변화형 기록층(5)을 구비한 제 2 기록 적층체(2)를 갖는다. 투명 스페이서층(3)은, 제 1 기록 적층체(8)와 제 2 기록 적층체(2) 사이에 삽입된다. 금속 거울층(3)은, 투명 스페이서층(7)과 반대쪽의 면에 제 2 기록 적층체(2)에 인접하여 존재한다. 제 1 기록 적층체(8)는, 대체로 성장 중심의 또는 대체로 핵형성 중심의 결정화를 갖는 상변화형 기록층(10)을 구비한다. 제 2 기록 적층체(2)는, 제 1 기록 적층체(8)에 대해 선택된 형태와 다른 형태의 상변화형 기록층(5)을 구비한다. 기록층들(5, 10)에 대해 거의 동일한 레이저 광 기록 펄스 방식과 기록 속도로 최적의 기록 및 소거 거동이 달성된다. An optical information carrier for recording rewritable using laser beams 14, 15 includes a first recording stack 8 having a phase change recording layer 10 interposed between two dielectric layers 9, 11. And a second recording stack 2 having a phase change recording layer 5 interposed between the two dielectric layers 4 and 6. The transparent spacer layer 3 is inserted between the first recording stack 8 and the second recording stack 2. The metal mirror layer 3 exists adjacent to the second recording stack 2 on the surface opposite to the transparent spacer layer 7. The first recording stack 8 is provided with a phase change type recording layer 10 having a crystallization center of growth or generally nucleation center. The second recording stack 2 includes a phase change recording layer 5 in a form different from that selected for the first recording stack 8. Optimal recording and erasing behavior is achieved with the same laser light recording pulse scheme and writing speed for the recording layers 5, 10. 광 정보매체, 결정화, 핵형성, 성장, 상변화 기록 Optical information carrier, crystallization, nucleation, growth, phase change recording

Information Recording Medium and Method for Producing the Same

고밀도 기록에 있어서, 계면층을 구비하는 일 없이, 신뢰성과 반복 재기록 성능을 양립하는 우수한 정보기록 매체를 제공한다. In high-density recording, an excellent information recording medium providing both reliability and repeatable rewritability without providing an interfacial layer is provided. 기판(1) 상에, 적어도 기록층(4)과 반사층(8)을 구비하고, 기록층(4)이 광학적 수단 혹은 전기적 수단에 의해, 결정상과 비정질상과의 사이에서 상변태를 일으키고, 기판(1) 상에, (ZrO 2 ) X (Zn-S) 100-X (mol％)로 표현되며, 또한 Ⅹ이, 50 Ⅹ 80의 범위에 있는 재료로 이루어지는 유전체층(2, 6)을 추가로 구비하고 있다. At least the recording layer 4 and the reflective layer 8 are provided on the board | substrate 1, The recording layer 4 produces a phase transformation between a crystalline phase and an amorphous phase by optical means or an electrical means, and the board | substrate 1 ) Is represented by (ZrO 2 ) X (Zn-S) 100-X (mol%), and further, Ⅹ The dielectric layers 2 and 6 which consist of material in the range of 80 are further provided.

Оптический носитель записи и способ его изготовления

1. Оптический носитель записи, содержащий: подложку; записывающий слой, сформированный на подложке, содержащей In, Sn, Pd и кислород, причем содержание атомов кислорода больше, чем в стехиометрическом составе в случае, когда In и Sn являются полностью окисленными; и светопропускающий слой, сформированный на записывающем слое.2. Оптический носитель записи по п.1, в котором записывающий слой включает два или более слоев и промежуточный слой между двумя слоями.3. Способ изготовления оптического носителя записи, в котором записывающий слой сформирован на подложке, и оптический пропускающий слой сформирован на записывающем слое, включающий стадию, на которой записывающий слой, содержащий In, Sn, Pd и кислород, формируют на подложке путем напыления при прохождении газообразного кислорода с использованием мишеней InO, SnOи Pd.4. Способ изготовления оптического носителя записи, по п.3, в котором скорость потока газообразного кислорода устанавливают в диапазоне 10-100 см/мин, включая оба эти значения.5. Способ изготовления оптического носителя записи по п.3, в котором формируют на подложке два или более записывающих слоев с промежуточным слоем между записывающими слоями, и записывающий слой, содержащий In, Sn, Pd и кислород, формируют в качестве по меньшей мере одного из двух или более записывающих слоев путем напыления при прохождении газообразного кислорода с использованием мишеней InO, SnOи Pd. РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (51) МПК G11B 7/243 (13) 2011 137 444 A (2013.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ЗАЯВКА НА ИЗОБРЕТЕНИЕ (21)(22) Заявка: 2011137444/28, 10.03.2010 (71) Заявитель(и): СОНИ КОРПОРЕЙШН (JP) Приоритет(ы): (30) Конвенционный приоритет: (72) Автор(ы): МИКИ Такеси (JP) 17.03.2009 JP 2009-064958 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 09.09.2011 R U (43) Дата публикации заявки: 20.03.2013 Бюл. № 8 (86) Заявка PCT: (87) Публикация заявки PCT: WO 2010/106945 (23.09.2010) R U (54) ОПТИЧЕСКИЙ НОСИТЕЛЬ ЗАПИСИ И ...

방사상 틸트가 감소된 매체

본 발명은 55mm의 반경에서 약 1.15도 이하의 방사상 편차를 갖는 저장 매체(5)에 관한 것이다. 한가지 실시양태에서, 저장 매체(5)는 플라스틱 기판(108), 광학 층(114) 및 이들 사이에 배치된 데이터 저장 층(102)을 포함한다. 반사 층(11)은 데이터 저장 층(102) 및 기판(108) 사이에 배치되어 있다.

Information signal recording carrier

Optical information recording medium

기판상에 적어도 제1 정보층, 분리층, 제2 정보층을 이 순서대로 포함하는 광학정보 기록매체에서, 제1 정보층을 기판측으로부터 제1 보호층, 기록층, 제2 보호층을 이 순서대로 포함하도록 형성하고, 또 제1 보호층 및 제2 보호층의 적어도 한 쪽을 적어도 두 개의 층으로 구성하고, 이 적어도 두개의 층은 기록층에 가까운 측으로부터 순서대로 제1층 및 제2층을 포함하고 있고, 제 2층을 구성하는 재료의 열전도율은 제1층을 구성하는 재료의 열전도율보다도 크게 한다. In an optical information recording medium comprising at least a first information layer, a separation layer, and a second information layer on the substrate in this order, the first information layer is separated from the substrate side by the first protective layer, the recording layer, and the second protective layer. And include at least one of the first protective layer and the second protective layer in at least two layers, the at least two layers being the first layer and the second in order from the side close to the recording layer. The layer includes a layer, and the thermal conductivity of the material constituting the second layer is larger than the thermal conductivity of the material constituting the first layer.

光学的記録媒体

(57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。

Information recording medium

In an information recording medium having a recording layer for recording information by heating through incoming energy, at least one of an interference layer and an absorption layer for the incoming energy is provided on the energy-incoming side of the recording layer to reduce the reflected energy from the information recording medium and increase the quantity of heat input into the recording layer. The temperature of the recording layer is rapidly enhanced, and rapid writing is made possible thereby. Writing or erasing can be made with less incoming energy, and thus the writing sensitivity or erasing sensitivity of the information recording medium can be increased.

Optical information recording device

(57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。

Optical tape

ABSTRACT OF THE DISCLOSURE Disclosed herein is an optical tape comprising: a substrate whose a center-line average roughness (RaB) on the surface of one side is not more than 0.005 µm and the number of coarse protuberances having a height of not less than 0.10 µm in the surface of that side is not more than 10 protuberances/cm2, and an optical recording layer formed on the surface whose the RaB is not more than 0.005 µm.

Optical tape

Disclosed herein is an optical tape comprising: a substrate whose a center-line average roughness (Ra B ) on the surface of one side is not more than 0.005 μm and the number of coarse protuberances having a height of not less than 0.10 μm in the surface of that side is not more than 10 protuberances/cm 2 , and an optical recording layer formed on the surface whose the Ra B is not more than 0.005 μm.

Bit-type optical data storage using aluminum oxide single crystal media

Optical recording medium

(57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。

Optical information recording medium and optical information recording, reproducing and erasing method

강성 기판, 강성 기판상에 형성되고 레이저광에 의해 광학적으로 검출되는 정보를 기록하는 기록막 혹은 강성 기판상에 형성되고 광학적으로 검출되는 정보를 기록하는 요철 피트, 기록막상에 형성된 투명 박판을 갖는 광정보기록매체가 개시된다. 광정보기록, 재생 및 소거방법에 있어서, 레이저광에 의해 물리적 혹은 화학적으로 변화되는 기록부재가 강성기판상에 형성되어 있는 광정보기록매체를 제공하는 단계를 구비하고, 정보의 기록, 재생 및 소거가 강성 기판상에 형성된 투명 박판을 통해 강성 기판에 입사하는 레이저광에 의해 상기 기록부재를 통해 행해지는 것을 특징으로 하는 광정보기록, 재생 및 소거방법이 또한 개시된다.

Phase change optical recording meidum

提供一种高线速度时的擦除率高、记录灵敏度更高、OW周期特性及耐环境性优良的相变光记录媒体。利用记录层在晶相和非晶相之间的可逆的相变,来进行信息的记录、擦除,其中,保护层由下述膜来形成,该膜由Ta或Al的氧化物、和至少1种碳化物构成,碳化物的含量是1～40mol%。

Optical information-recording member

(57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。

Rewritable optical information medium

2개의 유전층(3, 5) 사이에 삽입된 상변화 기록층(4)을 지닌 제 1 기록 적층체(1)를 갖는 재기록가능한 단면 이중층 광 정보매체에 대해 개시된다. 이 기록 적층체(2)는, 제 2 기록 적층체(9)의 적절한 판독/기록을 보장할 수 있을 정보의 충분한 투과도를 갖는다. 이를 위해, 기록 적층체(2)는 얇은 금속층(6)과 또 다른 유전층(7)을 구비한다. 레이저 빔(14, 15)이 제 1 기록 적층체(2) 또는 제 2 기록 적층체(9) 위에 초점이 맞추어지므로, 기록매체의 저장용량을 2배로 할 수 있다. Disclosed is a rewritable single-sided double layer optical information carrier having a first recording stack (1) with a phase change recording layer (4) interposed between two dielectric layers (3, 5). This recording stack 2 has a sufficient transmittance of information capable of ensuring proper read / write of the second recording stack 9. For this purpose, the recording stack 2 is provided with a thin metal layer 6 and another dielectric layer 7. Since the laser beams 14 and 15 are focused on the first recording stack 2 or the second recording stack 9, the storage capacity of the recording medium can be doubled. 광 정보매체, 상변화, 적층체, 단면, 이중층, 저장용량, 투과도 Optical information carrier, phase change, laminate, cross section, double layer, storage capacity, transmittance

Information recording medium

(57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。

Optical information recording body

(57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。

Optical information recording method

Optical storage element

recoding media

Phase change optical recording medium

Optical information recording medium and production method therefor

본 발명의 광학 정보 기록 매체는, 적어도 m층(m은 2이상의 정수이다.)의 정보층을 포함하고, 각 정보층은, 광학적으로 서로 상이한 상태 A와 상태 B 사이를 비가역적으로 변화하는 기록층을 포함한다. m층의 정보층을 레이저광 입사측부터 제1∼제m 정보층으로 한 경우에, 제j 정보층(j는, 1≤j≤m-1을 만족하는 정수이다.)에 포함되는 기록층을 제j 기록층, 제j 기록층이 상태 A일 때의 상기 제j 정보층의 투과율을 TAj(%), 상기 제j 기록층이 상태 B일 때의 상기 제j 정보층의 투과율을 TBj(%)로 하면, 제j 정보층은, 0≤｜TAj-TBj｜/(TAj, TBj)max≤0.10(단, (TAj, TBj)max란, TAj와 TBj 중 큰 값이다.)의 관계를 만족한다. 또한, 제1∼제m-1 기록층 중 적어도 하나의 기록층이, 제m 정보층과 복소 굴절율(굴절율을 n, 소쇠 계수를 k로 했을 때의 n-ik)이 상이한 재료로 형성되어 있다.

Optical recording medium, method for regeneration and application thereof

(57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。

Optical record medium

本发明涉及一种光学记录介质，其包含：无机记录层，设置在所述无机记录层的至少一个表面上且含有氧化铟的第一保护层，邻接所述第一保护层设置且含有氧化钛、氧化锆、或氧化锡的第二保护层。

Method for recording data on optical recording medium and apparatus for recording data on optical recording medium

Magneto-optical storage element

(57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。

Radial tilt reduced media

A storage media (5) having a radial deviation of less than or equal to about 1.15 degrees at a radius of 55 mm is disclosed. In one embodiment, the storage media (5) comprises: a plastic substrate (108), an optical layer (114) and a data storage layer (102) disposed therebetween. A reflective layer (11) is disposed between the data storage layer (102) and the substrate (108).

Information recording medium

Disclosed is an information recording medium (1, 10) capable of, in the case of recording information signals such as high density information, sufficiently transferring the information signals, and suppressing resonance upon high speed rotation and enhancing the durability of the medium. The medium includes a substrate (2, 11), a recording layer (4, 13) provided on the substrate (2, 11) for recording an information signal, and a light transmission layer (5, 14) laminated on the recording layer (4, 13), wherein an information signal is recorded or reproduced on or from the medium (1, 10) by making light (L) incident on the medium (1, 10) from the light transmission layer side. The substrate (2, 11) includes a core layer (6, 15) made from a resin, and a surface layer (7, 16, 17) made from a resin and integrated with the core layer (6, 15). The surface layer (7, 16, 17) has on its one side plane information signals in the form of irregularities on the recording layer side and has a fluidity which is larger than that of the core layer (6, 15) in the case where both the surface layer (7, 16, 17) and the core layer (6, 15) are in a molten state at the same temperature.

Radial tilt reduced media

A storage media having a radial deviation of less than or equal to about 1.15 degrees at a radius of 55 mm is disclosed. In one embodiment, the storage media comprises: a plastic substrate, an optical layer and a data storage layer disposed therebetween. A reflective layer is disposed between the data storage layer and the substrate.

Radial tilt reduced media

A storage media can comprise: a plastic substrate, an optical layer, a reflective layer disposed between the optical layer and the substrate, and an adhesive layer disposed between the optical layer and the reflective layer. The optical layer can have an optical layer composition different from the substrate composition. The storage media has a radial deviation over time of less than or equal to 1.15 degrees at a radius of 55 mm, when exposed to a cycle at 25° C. of 50% relative humidity—90% relative humidity—50% relative humidity.

Optical recording medium

(57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。

Optical recording medium

PURPOSE: An optical recording medium is provided to improve optical stability, thermal stability and recording sensitivity and reduce manufacturing cost. CONSTITUTION: An optical recording medium includes a substrate(10) on which a guide groove is formed, and a metal recording thin film(20), a buffer layer(30) and a reflecting layer(40) are sequentially formed on the substrate. The buffer layer is composed of at least one kind of pigment that has refractivity of more than 1.4 and absorptivity of less than 1.6 at 650nm, and refractivity of more than 1.8 and absorptivity of more than 0.001 at 780nm. The decomposition temperature of the pigment is 80-250 degrees centigrade. The buffer layer further contains an organic polymer.

Recording method

Width adjusting device

(57)【要約】 【課題】 記憶された情報を正確に読みとれる一回記録 型光ディスク及びその製造方法を提供する。 【解決手段】 基板１０上に情報が記録される記録膜１ ２が、Ｆｅ−Ｚｒ−Ｈ薄膜よりなり、記録膜１２上に接 着膜１４が形成される、一回記録型光ディスク。

Optical recording medium

(57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。

Recording/reproduction device, recording/reproduction method, and information recording medium

本发明提供记录再生装置，记录再生方法和信息记录媒体，根据本发明，可实现对于利用吸收端偏移现象的信息记录媒体的稳定的记录和再生。本发明的装置(100)具有：出射激光的光源(20)；将激光会聚到信息记录媒体(21)上的透镜(6)；检测来自信息记录媒体(21)的反射光的光检测器(19)。信息记录媒体(21)的记录层含有如下材料，其随着温度的上升，由电子的带间跃迁造成的光吸收谱的吸收端向长波长移动，从而对所述激光的吸收率增加。本发明的装置(100)还具有：检测激光的波长和波长变动的至少一方的波长检测部(26)；检测信息记录媒体(21)或其周围的温度和温度变化的至少一方的温度检测部(27)；基于来自波长检测部(26)和温度检测部(27)各自的输出来控制光源(20)的功率的控制部(28)。

Information recording media, a method for recording/reproducing information, an apparatus for recording/reproducing information

어떤 정보면에 광이 조사되어 있는지를 재빠르게 판단하여, 정확하게 정보를 기록·재생할 수 있는 다층 정보 기록 매체 및 다층 정보 기록 매체의 기록·재생 방법, 기록·재생 장치를 제공한다. 광 조사에 의해 정보가 기록 또는 재생되는 복수의 층(2,4,6,8)에 연속 또는 불연속 홈에 의해 형성되는 요철의 형상 및/또는 요철의 홈의 길이 방향의 변화의 방법, 예를 들면 요철의 깊이 및/또는 폭, 요철의 사행의 진폭 또는 주기를 층에 따라 다르게 한다. A multi-layered information recording medium capable of quickly determining which information surface is irradiated with light, and capable of accurately recording and reproducing information, and a method of recording and reproducing a multi-layered information recording medium and a recording and reproducing apparatus. A method of changing the shape of the irregularities formed by continuous or discontinuous grooves in the plurality of layers 2, 4, 6 and 8 in which information is recorded or reproduced by light irradiation and / or the longitudinal direction of the grooves of the irregularities, for example For example, the depth and / or width of the irregularities and the amplitude or period of meandering of the irregularities vary from layer to layer. 사행, 요철, 주파수, 워블 Meander, irregularities, frequency, wobble

Information recording medium and manufacturing method thereof

Optical recording member, and its manufacture and manufacture of optical recording card

(57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。

Optical information recording medium, its manufacturing method, optical information recording/reproducing method and optical information recorder/reproducer

투명기판 상에, 적어도 Te, O 및 M원자(단, M은 금속원소, 반금속 원소 또는 반도체 원소 내의 적어도 어느 1종, 가장 바람직하게는 Pd)를 함유하는 정보층을 구비하고, 상기 정보층 중의 O원자의 함유비율이 40atom% 이상 60atom% 이하, M 원자의 함유비율이 2atom% 이상 25atom% 이하, Te 원자의 함유비율이 15atom% 이상 58atom% 이하로 함으로써, 기록 비트 길이 b의 스폿직경 d에 대한 비 b/d가 작은 정보의 기록·재생에 있어서 C/N비가 높고, 지터가 작은 양호한 기록특성이 넓은 파워 마진으로 얻어지는 광학적 정보 기록매체를 제공한다. On the transparent substrate, an information layer containing at least Te, O and M atoms (wherein M is at least one of metal elements, semimetal elements or semiconductor elements, most preferably Pd), the information layer The spot diameter d of the recording bit length b when the content ratio of the O atoms in the atom is 40 atom% or more and 60 atom% or less, the content ratio of the M atoms is 2 atom% or more and 25 atom% or less, and the content ratio of the Te atoms is 15 atom% or more and 58 atom% or less. Provided is an optical information recording medium which has a high C / N ratio for recording and reproducing information having a small ratio b / d with respect to, and a good recording characteristic with low jitter with a wide power margin.

Optical recording medium and process for producing the same, method for recording data on optical recording medium and method for reproducing data from optical recording medium

본 발명의 광기록매체(10)는 지지기판(11)과; 광투과층(12)과; 상기 광투과층과 상기 지지기판 사이에 광투과층에서부터 순차적으로 삽입되는 제1유전층(31)과, 귀금속 산화물층(23)과, 제2유전층(32)과, 광흡수층(22)과, 제3유전층(33)과, 반사층(21)을 가진다. 상기 지지기판(11)의 두께는 0.6mm 내지 2.0mm의 범위이고; 상기 광투과층의 두께는 10㎛ 내지 200㎛의 범위이고; 상기 귀금속 산화물층의 두께는 2nm 내지 50nm의 범위이고; 상기 제2유전층의 두께는 5nm 내지 100nm의 범위이고; 상기 광흡수층(22)의 두께는 5nm 내지 100nm의 범위이고; 그리고 상기 제3유전층(33)의 두께는 10nm 내지 140nm의 범위이다. 차세대형의 광기록매체에 사용하는 광학시스템을 사용하는 초-분해능 기록과 초-분해능 재생을 통해 월등한 특성을 얻을 수 있다. The optical recording medium 10 of the present invention comprises a support substrate 11; A light transmitting layer 12; A first dielectric layer 31, a noble metal oxide layer 23, a second dielectric layer 32, a light absorbing layer 22, and a first dielectric layer 31 sequentially inserted between the light transmitting layer and the support substrate from the light transmitting layer. The three dielectric layers 33 and the reflection layer 21 are provided. The thickness of the support substrate 11 is in the range of 0.6 mm to 2.0 mm; The thickness of the light transmitting layer is in the range of 10 μm to 200 μm; The thickness of the noble metal oxide layer is in the range of 2 nm to 50 nm; The thickness of the second dielectric layer is in the range of 5 nm to 100 nm; The thickness of the light absorption layer 22 is in the range of 5 nm to 100 nm; The thickness of the third dielectric layer 33 is in the range of 10 nm to 140 nm. Superior characteristics can be obtained through ultra-resolution recording and ultra-resolution playback using optical systems used in next-generation optical recording media. 광기록매체, 레이저빔, 귀금속 산화물층, 유전층, 반사층, 초분해능, 광학시스템 Optical record carrier, laser beam, precious metal oxide layer, dielectric layer, reflective layer, super resolution, optical system

optical disk

Recording medium

(57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。

Optical recording / reproducing method and write once optical recording medium

Optical information recording medium

(57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。

Optical recording and playback method, and optical recording media

본 발명은 광기록재생방법과 광기록매체에 관한 것으로서, 광기록매체(10)는 기판(12)상에 기록되어야 할 정보에 따라서 강도 변조된 에너지인 레이저빔에 의해 상태 변화되는 한쌍의 유전체층(14A, 14B) 및 이것들에 끼워진 기록보조층(16)으로 이루어진 기록층(18)을 갖고 있고, 기록보조층(16)은 Sn, Ti, Si, Bi, Ge, C등 중 어느 하나의 원소를 주성분으로 하고, 유전체층(14A, 14B)에 있어서의 모재로서의 유전체재는 ZnS, SiO 2 , AlN, Ta 2 O 5 등 중 적어도 1종류의 재료를 포함하여 구성되어 있는 것을 특징으로 한다. BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an optical recording reproducing method and an optical recording medium, wherein the optical recording medium 10 includes a pair of dielectric layers whose state is changed by a laser beam that is intensity modulated according to information to be recorded on the substrate 12 ( 14A, 14B and a recording auxiliary layer 16 sandwiched therebetween, and the recording auxiliary layer 16 is formed of any one of Sn, Ti, Si, Bi, Ge, C, and the like. As a main component, the dielectric material as the base material in the dielectric layers 14A and 14B includes at least one material selected from ZnS, SiO 2 , AlN, Ta 2 O 5 , and the like.

Information recording medium and information recording device

본 발명은 에너지 빔의 조사에 의해 정보의 기록에 이용되는 정보 기록 매체를 특징으로 한다. 정보 기록 매체는 홈 형상의 정보 기록 트랙을 지니고, 기록층과, 열 확산 제어층과 열 확산층을 구비하고, 기록층의 막 두께가 정보 기록 트랙 사이의 단차 이하이며, 열 확산 제어층의 막 두께는 상기 정보 기록 트랙의 홈 깊이 이상이다. 이 구성에 의해, 정보 기록 매체를 트랙 피치가 레이저 빔 스폿 직경의 70% 이하가 되는 고밀도 기록에 이용하여도, 크로스 소거가 발생되지 않는다. The present invention is characterized by an information recording medium used for recording information by irradiation of an energy beam. The information recording medium has a groove-shaped information recording track, and includes a recording layer, a heat diffusion control layer and a heat diffusion layer, wherein the film thickness of the recording layer is equal to or less than a step between the information recording tracks, and the film thickness of the heat diffusion control layer. Is greater than or equal to the groove depth of the information recording track. With this configuration, even when the information recording medium is used for high density recording in which the track pitch becomes 70% or less of the laser beam spot diameter, cross erase is not generated.

UV-ray setting resin and a method for manufacturing a magneto-optical disk by the use of the UV-ray setting resin

A high quality magneto-optical disk which has the protective coating being excellent in the lubricity, the property of sliding and a long-term reliability includes a UV-ray resin composition comprising photo polymerizable prepolymer, photo polymerization initiator and organic compound having a side chain of fluoroalkyl group or unsaturated aliphatic alkyl group in the end of each molecule. The UV-ray setting resin comprising photo polymerization prepolymer at 30-80 parts by weight; photo polymerization initiator at 10-40 parts by weight; and organic polysiloxane at 0.1-10 parts by weight per 100 parts by weight of (meth-)acrylic ester is applied to approximately 10 μm on the reflection layer 14 by the spincoat method and irradiating the UV-ray (illuminance: 600 mW/cm 2 , quantity of light: 800 mJ/cm 2 ) at room temperature, thus forming the protective coating.

Optical information recording medium

본 발명의 광학 정보 기록 매체는, 기판(5) 상에 형성된 정보층(8)을 포함하고, 이 정보층(8)은, 소정 파장의 레이저광(7)을 조사함으로써 정보의 기록 및 재생이 가능한 기록층(2)과, 기록층(2)에 대해 레이저광 입사측에 배치된 제1 보호층(1)과, 기록층(2)에 대해 레이저광 입사측과 반대측에 배치된 제2 보호층(3)을 포함하고 있다. 기록이나 재생에 사용되는 레이저광의 소정 파장에 대한 제1 보호층(1)의 굴절률 n1과 제2 보호층(3)의 굴절률 n2는, n2 < n1의 관계를 만족하고 있다. The optical information recording medium of the present invention includes an information layer 8 formed on the substrate 5, and the information layer 8 records and reproduces information by irradiating a laser beam 7 of a predetermined wavelength. Possible recording layer 2, first protective layer 1 disposed on the laser beam incident side with respect to the recording layer 2, and second protection layer disposed on the side opposite to the laser beam incident side with respect to the recording layer 2 Layer (3). The refractive index n1 of the first protective layer 1 and the refractive index n2 of the second protective layer 3 with respect to a predetermined wavelength of the laser light used for recording or reproduction satisfy a relationship of n2 <n1.

Information recording medium recording/reproducing method

提供具有两层记录层而且记录、消除性能好的信息记录介质，及其制造方法和其记录再生方法。配置第1信息层(11)和第2信息层(20)，第1信息层(11)包括由激光束照射或者外加电能而导致在晶相和非晶相之间发生可逆相变的第1记录层(4)，第2信息层(20)包括由激光束照射或者外加电能而导致在晶相和非晶相之间发生可逆相变的第2记录层(14)。而且，第1记录层(4)由第1材料组成，第2记录层(14)由第2材料组成，且两种材料不同。

Optical information recording and reproducing method

Information recording carrier and its manufacturing method

정보 기록 캐리어는 적어도 하나의 미세 패턴 열을 갖춘 기판을 가진다. 기판 위에는 기록층, 박리 방지층과 보호층이 순차적으로 겹쳐져 있다. 제조시 먼저, 기록층은 기판 위에 형성된다. 이 후 제1수지 기록층 위에 도포된다. 이 후 제1수지는 박리 방지층을 형성하기 위해서 경화된다. 다음에 제2수지가 박리 방지층 위에 도포된다. 이 후 보호층을 형성하기 위해서 제2수지가 경화된다. The information record carrier has a substrate with at least one fine pattern row. The recording layer, the peeling preventing layer, and the protective layer are sequentially stacked on the substrate. In manufacture, first, a recording layer is formed on a substrate. Thereafter, it is applied onto the first resin recording layer. Thereafter, the first resin is cured to form a peeling prevention layer. Next, a second resin is applied onto the peeling prevention layer. Thereafter, the second resin is cured to form a protective layer.

an optical information recording medium and a preparation thereof

본 발명은 내후성이 우수하고, 양호한 기록소거특성 및 반복특성을 가지는 광학정보 기록매체를 제공하는 것으로서, 정보층(3)에 접하도록 Ge함유층을 형성하고, 이 층(7, 8)은 GeXN 및 GeXON에서 선택되는 적어도 하나를 주성분으로 하는 확산방지층이다. 여기서, 성분(X)은 3, 4, 5, 6, 7, 8, 9, 10, 11 및 12족 원소 및 C에서 선택되는 적어도 하나의 원소로 이루어진다. 정보층(3)은 Ge, Te 및 Sb의 삼원소를 주성분으로 하는 상변화재료로 구성된다. The present invention provides an optical information recording medium having excellent weather resistance and good recording erasing characteristics and repeating characteristics, wherein a Ge-containing layer is formed in contact with the information layer (3), and the layers (7, 8) are formed of GeXN and A diffusion barrier layer composed mainly of at least one selected from GeXON. Here, component (X) consists of 3, 4, 5, 6, 7, 8, 9, 10, 11 and 12 elements and at least one element selected from C. The information layer 3 is composed of a phase change material mainly containing three elements of Ge, Te, and Sb.

Rewritable optical information recording medium

기판(1), 제 1 유전층(3), Ag a In b Sb c Te d 또는 Ge a In b Sb c Te d 에 의거한 위상 변화 기록층(3), 제 2 유전층(4), 금속 거울층(5)을 포함하고, 2<a<8, 0<b<6, 55<c<80, 15<d<30, a+b+c+d=100이고, 상기 기록층(3)의 층 두께가 5와 15nm 사이의 범위인 다시쓰기 가능한 광학 정보매체가 개시되어 있다. 이러한 매체는, 고밀도 및 고 통신속도 위상 변화 광학 기록장치와 DVD+RW, DVR-레드 및 -블루와 같은 미디어의 사용에 적합하다. 광학 정보매체, 위상 변화 기록층, 유전층, 금속 거울층, 광 흡수층

Optical recording medium and its manufacture

(57)【要約】 【課題】 相変化型光記録媒体のオーバーライト回数を 増大させる。さらに、記録層の初期化処理が製造の際の 律速段階であった相変化型光記録媒体において、製造時 間を短縮し、かつ、初回のオーバーライトから安定した 記録再生特性を実現する。 【解決手段】 透明基体上に、少なくとも１層のＳｂ系 薄膜と少なくとも１層の反応薄膜とからなる記録層を有 し、Ｓｂ系薄膜と反応薄膜とが接しており、Ｓｂ系薄膜 が、Ｓｂを９５原子％以上含有するＳｂ系材料を成膜し たものであり、反応薄膜が、Ｉｎ、ＡｇおよびＴｅを主 成分とするか、Ｉｎ、Ａｇ、ＴｅおよびＳｂを主成分と するＩｎ−Ａｇ−Ｔｅ系材料を成膜したものであり、反 応薄膜中に酸素を０．５〜１０原子％含有する光記録媒 体。反応薄膜形成の際に、スパッタ室内に不活性ガスと 酸素ガスとを導入しながらスパッタを行う。

Uv-ray setting resin and a method for manufacturing a magneto-optical disk by the use of the uv-ray setting resin

본 발명은 유기폴리실록산, 지방산에스테르, 플루오로알킬기 또는 불포화형 지방족알킬기의 측쇄를 분자말단에 가진 유기화합물을 함유하는 자외선경화성 도료를 이용하여 보호코팅 표면의 윤활성이 뛰어나고, 내슬라이딩성이 양호하여 장기간의 신뢰성을 확보할 수 있는 고품질의 광자기 디스크에 관한 것으로, 본 발명은 (메타)아크릴산에스테르 100중량부에 대해 광중합성프리폴리머 30-80중량부, 광중합 개시제 10-40중량부, 유기폴리실록산 0.1~10중량부를 함유하는 자외선경화성 도료를 광자기 디스크의 반사막(14)상에 스핀코팅법을 이용하여 약 10㎛도포하고, 상온에서 자외선(조도:600mW/cm 2 , 광량 :800mJ/cm 2 )을 조사하여 보호코팅(15)을 형성하는 것이다. The present invention is excellent in lubricity of the protective coating surface by using an ultraviolet curing paint containing an organic compound having an organic polysiloxane, a fatty acid ester, a fluoroalkyl group or an unsaturated aliphatic alkyl group at the end of the molecule, and has good sliding resistance and good sliding resistance for a long time. The present invention relates to a high-quality magneto-optical disk capable of ensuring the reliability of the present invention. The present invention relates to 30 to 80 parts by weight of a photopolymerizable prepolymer, 10 to 40 parts by weight of a photopolymerization initiator, and 0.1 to 0 organic organosiloxane based on 100 parts by weight of (meth) acrylic acid ester An ultraviolet curable paint containing 10 parts by weight is coated on the reflective film 14 of the magneto-optical disk by spin coating to about 10 μm, and ultraviolet light (illuminance: 600 mW / cm 2 and light amount: 800 mJ / cm 2 ) is applied at room temperature. Irradiation is to form a protective coating (15).

Hybrid disc and recording and/or reproducing apparatus and method for the same

본 발명은 서로 다른 규격을 갖는 제 1 기록층과 제 2 기록층을 포함하는 하이브리드 디스크에 관한 것으로, 본 발명에 따른 서로 다른 규격에 의한 복수 개의 기록층을 구비하는 하이브리드 디스크는, 제 1 규격빔을 이용하여 기록 및/또는 재생되는 제 1 기록층과, 상기 제 1 규격빔과 다른 파장을 갖는 제 2 규격빔을 이용하여 기록 및/또는 재생되는 제 2 기록층을 포함하며, 제 2 기록층에서 반사되는 제 1 규격빔의 반사율이 소정 크기 이하가 되도록 한다. 본 발명에 의하면, 서로 다른 파장의 빔을 이용하는 복수 규격의 기록층을 포함하는 하이브리드 디스크에서 각 기록층 사이의 크로스 토크에 의한 포커스 에러 신호의 열화를 방지하여 안정적인 포커스 서보 제어를 수행할 수 있다.

Method of writing thermo-optical data and data medium for executing same

OPTICAL RECORDING MEDIA AND METHOD FOR ITS MANUFACTURE

1. Способ изготовления оптического носителя записи, содержащего записывающий слой, сформированный на подложке и прозрачный слой, сформированный на записывающем слое, включающий этап, на котором: ! формируют записывающий слой, содержащий In и/или Sn, Pd и кислород, посредством метода напыления с использованием мишени In2O3 и/или мишени SnO2, и мишени Pd в присутствии потока газообразного кислорода и газообразного азота. ! 2. Способ изготовления оптического носителя записи, содержащего сформированные на подложке два или более записывающих слоев, промежуточный слой, сформированный между каждыми двумя записывающими слоями, и прозрачный слой, сформированный на указанных двух или более записывающих слоях, характеризующийся тем, что ! при формировании по меньшей мере записывающего слоя, расположенного ближе всех к прозрачному слою из указанных двух или более записывающих слоев, этот записывающий слой, содержащий In и/или Sn, Pd и кислород, формируют посредством напыления с использованием мишени In2O3 и/или мишени SnO2, и мишени Pd в присутствии потока газообразного кислорода и газообразного азота. ! 3. Оптический носитель записи, содержащий: ! подложку; ! сформированный на подложке записывающий слой, содержащий In и/или Sn, Pd и кислород, причем содержание кислорода выше, чем содержание по стехиометрическому составу для случая полного окисления In и/или Sn; и ! прозрачный слой, сформированный на записывающем слое. ! 4. Оптический носитель записи по п.3, дополнительно содержащий: ! другой один или более записывающих слоев, сформированных между подложкой и записывающим слоем; и ! промежуточный слой, сформированный между записывающим слоем и РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) 2010 146 667 (13) A (51) МПК G11B 7/26 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ЗАЯВКА НА ИЗОБРЕТЕНИЕ (21)(22) Заявка: 2010146667/28, 10.03.2010 (71) Заявитель(и): СОНИ КОРПОРЕЙШН (JP) Приоритет(ы): (30) Конвенционный приоритет: 17.03.2009 JP 2009-064959 (72) Автор(ы): МИКИ ...

Recording method of optical information

Information recording medium and its mfg. method

本发明提供了记录层和介电体层之间即使不设界面层也能确保高可靠性、良好的反复改写性能的信息记录介质。在基板1的表面上形成记录层4和介电体层2和6，记录层4通过光照射或施加电能在晶相和非晶相之间产生相转变，介电体层2和6是例如用式(ZrO 2 ) M (Cr 2 O 3 ) 100-M (摩尔%)(式中M在20≤M≤80)表示的材料组成的Zr-Cr-O基材料层。

Optical recording article

Optical recording articles, such as tapes, and methods of making and using such articles are disclosed.

OPTICAL INFORMATION SUPPORT WITH DIFFERENT LAYERS OF RECORDING.

Soporte óptico de información para la grabación regrabable mediante un haz (14, 15) de luz láser, comprendiendo dicho soporte un sustrato (1) que tiene dispuesto en un lado del mismo: - una primera pila (8) de grabación que comprende una capa (10) de grabación del tipo de cambio de fase intercalada entre dos capas (9, 11) dieléctricas, - una segunda pila (2) de grabación que comprende una capa (5) de grabación de cambio de fase intercalada entre dos capas (4, 6) dieléctricas, - una capa (7) espaciadora transparente interpuesta entre la primera pila (8) y la segunda pila (2) de grabación, que tiene un grosor mayor que la profundidad de foco del haz (14, 15) de luz láser, y - una capa (3) especular metálica cercana a la segunda pila (2) de grabación y en un lado de la segunda pila (2) de grabación lejano de la capa (7) espaciadora transparente caracterizado porque: - la primera pila (8) de grabación comprende una capa (10) de grabación del tipo de cambio de fase de una clase seleccionadaentre una clase con una cristalización sustancialmente dominada por el crecimiento y una clase con una cristalización sustancialmente dominada por la nucleación, y - la segunda pila (2) de grabación comprende una capa (5) de grabación del tipo de cambio de fase de una clase diferente de la clase elegida para la primera pila (8) de grabación.

Optical recording medium

Optical recording medium

An optical recording medium comprising a substrate and, provided thereon, a recording layer and a dielectric layer, wherein the dielectric layer comprises a dielectric comprised of a chalcogenide and carbon (C).

Patent FR2478858B1

OPTICAL INFORMATION RECORDING MEDIUM

REVERSIBLE RECORDING MEDIUM AND DISC CONTAINING INFORMATION REALIZED THEREFROM

Patent JPH0514407B2

METHOD FOR MANUFACTURING A RECORDABLE OPTICAL DISK, OPTICAL DISK, AND INTEGRITY LAYER OBTAINED BY SAID METHOD

OPTICAL STORAGE MEDIUM, METHOD FOR THE PRODUCTION THEREOF AND METHOD FOR THE PRODUCTION OF AN OPTICAL MEMORY CARD WITH SUCH A MEDIUM.

INFORMATION RECORDING FOR USE IN AN OPTICAL READING AND RECORDING SYSTEM

CET ENREGISTREMENT EST CARACTERISE EN CE QUE LADITE COUCHE TRANSMETTANT LA LUMIERE 20 EST CONSTITUEE D'UN MATERIAU ORGANIQUE QUI FORME UN REVETEMENT LISSE ESSENTIELLEMENT EXEMPT DE DEFAUTS ET EN CE QUE LADITE COUCHE ABSORBANT LA LUMIERE 24 POSSEDE UNE TEMPERATURE DE FUSION SUPERIEURE A 1000C. THIS RECORDING IS CHARACTERIZED IN THAT THE SAID LIGHT TRANSMITTING LAYER 20 IS CONSTITUTED OF AN ORGANIC MATERIAL WHICH PROVIDES A SMOOTH COATING ESSENTIALLY FREE OF FAULTS AND IN THAT THE SAID LIGHT ABSORBING LAYER 24 HAS A TEMPERATURE OF HIGHER THAN 1000 MELTING.

METHOD OF REALIZING DUPLICATAS OF INFORMATION RECORDED IN A RECORDING MEDIUM

CE PROCEDE CONSISTE: -A FORMER UN MILIEU D'ENREGISTREMENT50; -A EXPOSER CE MILIEU D'ENREGISTREMENT A UN FAISCEAU DE LUMIERE MODULEE POUR Y FORMER UNE PISTE D'INFORMATION, CETTE DERNIERE COMPRENANT UNE SEQUENCE DE BULLES OU DE CLOQUES54 DANS LADITE COUCHE ABSORBANTE, LES VARIATIONS DE LONGUEUR DES BULLES ETOU LEUR ESPACEMENT SUCCESSIF REPRESENTANT LADITE INFORMATION; -RECOUVRIR LA SURFACE EXPOSEE DUDIT MILIEU D'ENREGISTREMENT COMPORTANT LES BULLES D'UNE COUCHE DE CONTACT CONFORME, CONDUCTRICE; A RECOUVRIR LADITE COUCHE DE CONTACT D'UNE COUCHE ORIGINALE AYANT UNE EPAISSEUR TELLE QUE LADITE COUCHE ORIGINALE RECOUVERTE DE LA COUCHE DE CONTACT SOIT AUTOPORTANTE LORSQU'ELLE EST SEPAREE DU MILIEU D'ENREGISTREMENT, ET -A SEPARER DUDIT MILIEU D'ENREGISTREMENT LA COUCHE ORIGINALE MUNIE DE LA COUCHE CONTACT. THIS PROCESS CONSISTS OF: - TRAINING A RECORDING ENVIRONMENT50; -A EXPOSE THIS RECORDING MEDIUM TO A MODULATED BEAM OF LIGHT TO FORM AN INFORMATION TRACK, THIS LATTER INCLUDING A SEQUENCE OF BUBBLES OR BLOCKS54 IN THE SUCH ABSORBING LAYER, THE LENGTH VARIATIONS OF THE BUBBLES REPRESENTED AND OR LATER INFORMATION; -COVER THE EXPOSED SURFACE OF THE SAID RECORDING MEDIUM CONTAINING THE BUBBLES OF A CONFORM, CONDUCTIVE CONTACT LAYER; TO COVER THE SAID CONTACT LAYER WITH AN ORIGINAL LAYER HAVING A THICKNESS SUCH AS THE said ORIGINAL LAYER COVERED WITH THE CONTACT LAYER IS SELF-SUPPORTING WHEN IT IS SEPARATED FROM THE RECORDING MEDIA, AND -A SEPARATE FROM THE ORIGINAL MEDIA OF RECORDING EQUIPPED WITH THE CONTACT LAYER.

OPTICAL RECORDING MEDIUM.

Irreversible optical recording medium e.g. CD recordable medium, for recording data, has substrate including photosensitive layer, and relief zones with different heights for widths of zones

The medium has a substrate (1) with a photosensitive layer (2) having a front side receiving optical radiations. Relief zones (1c) have height comprised between 25 nm and 35 nm for widths of the zones comprises between 250 nm and 370 nm, and another height comprised between a minimum value varying linearly between 25 and 32 nm and a maximum value of 35 nm for widths of the zones comprised between 200 and 250 nm. An independent claim is also included for a method for using a irreversible optical recording medium.

METHOD FOR MANUFACTURING A RECORDABLE OPTICAL DISC, OPTICAL DISC AND WRITTEN LAYER OBTAINED BY SAID METHOD

La présente invention concerne un procédé de fabrication d'un disque optique enregistrable comportant une étape de formation d'une couche inscriptible avant comprenant un alliage métallique et un diélectrique constituant un cermet caractérisé en ce qu'il comporte au moins une étape antérieure de formation d'une couche inscriptible arrière et de dépôt sur ladite couche inscriptible d'une couche intercalaire transparente, et en ce que ladite couche inscriptible avant présente un taux de transmission supérieur ou égal à 45%.Elle concerne aussi un disque optique et une couche inscriptible obtenu par ledit procédé. The present invention relates to a method of manufacturing a recordable optical disc comprising a step of forming a writable front layer comprising a metal alloy and a dielectric constituting a cermet characterized in that it comprises at least one previous step of forming a a rear writable layer and a deposit on said writable layer of a transparent interlayer, and in that said front writable layer has a transmission rate greater than or equal to 45%. It also relates to an optical disc and a writable layer obtained by said method.

RECORDING MEDIUM

SUPPORT D'ENREGISTREMENT. CE SUPPORT COMPREND UN SUBSTRAT 1, UNE PREMIERE COUCHE STABILISANTE COMPOSEE D'UNE COUCHE 2 EN UN COMPOSE MINERAL ET D'UNE COUCHE 2 AUXILIAIRE EN OXYDE METALLIQUE, UNE COUCHE 3 D'ENREGISTREMENT METALLIQUE, UNE SECONDE COUCHE STABILISANTE 4 ET UNE COUCHE 5 PROTECTRICE. ENREGISTREMENT D'INFORMATIONS. RECORDING MEDIA. THIS SUPPORT INCLUDES A SUBSTRATE 1, A FIRST STABILIZING LAYER COMPOSED OF A LAYER 2 IN A MINERAL COMPOUND AND AN AUXILIARY LAYER 2 IN METAL OXIDE, A METAL RECORDING LAYER 3, A SECOND STABILIZING LAYER 4 AND A PROTECTIVE LAYER 5 . RECORDING OF INFORMATION.

INFORMATION RECORDING FOR OPTICAL READING AND RECORDING SYSTEM

CE MILIEU D'ENREGISTREMENT EST CARACTERISE EN CE QUE LADITE COUCHE TRANSMETTANT LA LUMIERE 20 PRESENTE UNE EPAISSEUR SUPERIEURE A 10 NANOMETRES ET EN CE QU'ELLE EST CONSTITUEE D'UN MATERIAU QUI FOND, SE DECOMPOSE OU SE SUBLIME A UNE TEMPERATURE INFERIEURE D'AU MOINS 300C A LA TEMPERATURE DU MATERIAU CONSTITUANT LADITE COUCHE ABSORBANT LA LUMIERE 24. THIS RECORDING MEDIUM IS CHARACTERIZED IN THAT THE SAID LIGHT TRANSMITTING LAYER 20 HAS A THICKNESS GREATER THAN 10 NANOMETERS AND IN THAT IT IS CONSTITUTED OF A MATERIAL WHICH MELTS, DECOMPOSES OR IS SUBLIME AT A TEMPERATURE LOWER MINUS 300C AT THE TEMPERATURE OF THE MATERIAL CONSTITUTING THE LIGHT ABSORBING LAYER 24.

Magnetic recording medium

(57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。