DE69738285D1 - Optisches Speichermedium - Google Patents
Optisches SpeichermediumInfo
- Publication number
- DE69738285D1 DE69738285D1 DE69738285T DE69738285T DE69738285D1 DE 69738285 D1 DE69738285 D1 DE 69738285D1 DE 69738285 T DE69738285 T DE 69738285T DE 69738285 T DE69738285 T DE 69738285T DE 69738285 D1 DE69738285 D1 DE 69738285D1
- Authority
- DE
- Germany
- Prior art keywords
- storage medium
- optical storage
- optical
- medium
- storage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
- G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
- G11B7/257—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of layers having properties involved in recording or reproduction, e.g. optical interference layers or sensitising layers or dielectric layers, which are protecting the recording layers
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
- G11B7/242—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers
- G11B7/243—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising inorganic materials only, e.g. ablative layers
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
- G11B7/242—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers
- G11B7/243—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising inorganic materials only, e.g. ablative layers
- G11B2007/24302—Metals or metalloids
- G11B2007/24304—Metals or metalloids group 2 or 12 elements (e.g. Be, Ca, Mg, Zn, Cd)
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
- G11B7/242—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers
- G11B7/243—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising inorganic materials only, e.g. ablative layers
- G11B2007/24302—Metals or metalloids
- G11B2007/24308—Metals or metalloids transition metal elements of group 11 (Cu, Ag, Au)
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
- G11B7/242—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers
- G11B7/243—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising inorganic materials only, e.g. ablative layers
- G11B2007/24302—Metals or metalloids
- G11B2007/2431—Metals or metalloids group 13 elements (B, Al, Ga, In)
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
- G11B7/242—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers
- G11B7/243—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising inorganic materials only, e.g. ablative layers
- G11B2007/24302—Metals or metalloids
- G11B2007/24312—Metals or metalloids group 14 elements (e.g. Si, Ge, Sn)
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
- G11B7/242—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers
- G11B7/243—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising inorganic materials only, e.g. ablative layers
- G11B2007/24302—Metals or metalloids
- G11B2007/24314—Metals or metalloids group 15 elements (e.g. Sb, Bi)
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
- G11B7/242—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers
- G11B7/243—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising inorganic materials only, e.g. ablative layers
- G11B2007/24302—Metals or metalloids
- G11B2007/24316—Metals or metalloids group 16 elements (i.e. chalcogenides, Se, Te)
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
- G11B7/242—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers
- G11B7/243—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising inorganic materials only, e.g. ablative layers
- G11B2007/24318—Non-metallic elements
- G11B2007/24322—Nitrogen
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
- G11B7/006—Overwriting
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
- G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
- G11B7/258—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of reflective layers
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
- G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
- G11B7/258—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of reflective layers
- G11B7/2585—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of reflective layers based on aluminium
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S428/00—Stock material or miscellaneous articles
- Y10S428/913—Material designed to be responsive to temperature, light, moisture
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S430/00—Radiation imagery chemistry: process, composition, or product thereof
- Y10S430/146—Laser beam
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/21—Circular sheet or circular blank
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31678—Of metal
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP25785896 | 1996-09-06 | ||
JP25785896 | 1996-09-06 | ||
JP34193196 | 1996-12-20 | ||
JP34193196 | 1996-12-20 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69738285D1 true DE69738285D1 (de) | 2007-12-27 |
DE69738285T2 DE69738285T2 (de) | 2008-02-28 |
Family
ID=26543431
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE1997638285 Expired - Fee Related DE69738285T2 (de) | 1996-09-06 | 1997-03-26 | Optisches Speichermedium |
Country Status (5)
Country | Link |
---|---|
US (1) | US5948496A (de) |
EP (1) | EP0828245B1 (de) |
DE (1) | DE69738285T2 (de) |
ES (1) | ES2296298T3 (de) |
TW (1) | TW337017B (de) |
Families Citing this family (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08249725A (ja) * | 1995-03-08 | 1996-09-27 | Ricoh Co Ltd | 光情報記録媒体及びその製造に用いられる耐熱性保護層用材料 |
US6096398A (en) * | 1997-11-28 | 2000-08-01 | Ricoh Company, Ltd. | Phase-change optical recording medium |
US6177167B1 (en) * | 1997-12-02 | 2001-01-23 | Ricoh Company, Ltd. | Optical information recording medium |
JPH11232692A (ja) * | 1998-02-10 | 1999-08-27 | Sony Corp | 光記録媒体及びその製造方法 |
US6544716B1 (en) * | 1998-06-19 | 2003-04-08 | Terastor Corporation | Multilayer optical medium for near-field optical recording and reading |
JP2000137928A (ja) * | 1998-10-30 | 2000-05-16 | Ricoh Co Ltd | 光記録媒体および光記録方法 |
JP2000322740A (ja) | 1999-05-12 | 2000-11-24 | Ricoh Co Ltd | 光記録媒体及びその記録方法 |
US6886177B2 (en) * | 2000-08-14 | 2005-04-26 | Ricoh Company, Ltd. | Phase-change type optical information recording medium |
JP2003034081A (ja) * | 2000-09-14 | 2003-02-04 | Ricoh Co Ltd | 相変化型光情報記録媒体 |
DE60125993T2 (de) * | 2000-09-28 | 2007-10-18 | Ricoh Co., Ltd. | Optisches Aufzeichnungsmedium, Verfahren zu dessen Herstellung und Verfahren und Vorrichtung zum Aufzeichnen auf oder Lesen von diesem Medium |
US6770518B2 (en) * | 2001-01-29 | 2004-08-03 | Semiconductor Energy Laboratory Co., Ltd. | Method for manufacturing a semiconductor device |
SG114529A1 (en) * | 2001-02-23 | 2005-09-28 | Semiconductor Energy Lab | Method of manufacturing a semiconductor device |
SG114530A1 (en) | 2001-02-28 | 2005-09-28 | Semiconductor Energy Lab | Method of manufacturing a semiconductor device |
JP2002337152A (ja) * | 2001-05-15 | 2002-11-27 | Fujitsu Ltd | 金型、金型の製造方法、記録媒体の製造方法、及び記録媒体の基板 |
JP2003305955A (ja) | 2001-05-21 | 2003-10-28 | Ricoh Co Ltd | 光記録媒体及び記録方法 |
JP2003228834A (ja) * | 2002-01-30 | 2003-08-15 | Ricoh Co Ltd | 情報記録方式及び光記録媒体 |
TWI254301B (en) * | 2002-04-05 | 2006-05-01 | Tdk Corp | Optical recording medium and method for optically recording information in the same |
CN1221962C (zh) * | 2002-04-26 | 2005-10-05 | Tdk股份有限公司 | 光记录介质和在其中对数据进行光记录的方法 |
CN1296921C (zh) * | 2002-05-15 | 2007-01-24 | 松下电器产业株式会社 | 光头 |
US7231649B2 (en) * | 2002-05-31 | 2007-06-12 | Tdk Corporation | Optical recording medium and method for optically recording data in the same |
US20040038080A1 (en) * | 2002-07-01 | 2004-02-26 | Tdk Corporation | Optical recording medium and method for recording data in the same |
JP4092147B2 (ja) * | 2002-07-04 | 2008-05-28 | Tdk株式会社 | 光記録媒体及び光記録方法 |
JP4282285B2 (ja) * | 2002-08-12 | 2009-06-17 | Tdk株式会社 | 光記録媒体及び光記録方法 |
US20040076907A1 (en) * | 2002-10-22 | 2004-04-22 | Tdk Corporation | Optical recording medium and method for manufacturing the same |
US7781146B2 (en) * | 2002-11-22 | 2010-08-24 | Tdk Corporation | Optical recording medium |
US7932015B2 (en) | 2003-01-08 | 2011-04-26 | Tdk Corporation | Optical recording medium |
JP2005251265A (ja) * | 2004-03-02 | 2005-09-15 | Ricoh Co Ltd | 相変化型光記録媒体 |
EP1575042B1 (de) * | 2004-03-12 | 2007-11-28 | Matsushita Electric Industrial Co., Ltd. | Optisches Informationsaufzeichnungsmedium, Herstellungsverfahren, Aufzeichnungsverfahren und Aufzeichnungsvorrichtung dafür |
KR101132266B1 (ko) * | 2004-03-26 | 2012-04-02 | 가부시키가이샤 한도오따이 에네루기 켄큐쇼 | 반도체 장치의 제조 방법 |
KR100634667B1 (ko) * | 2005-08-05 | 2006-10-13 | 엘지전자 주식회사 | 광기록매체 |
US8546898B2 (en) * | 2009-10-29 | 2013-10-01 | Hewlett-Packard Development Company, L.P. | Optoelectronic light exposure memory |
Family Cites Families (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4425570A (en) * | 1981-06-12 | 1984-01-10 | Rca Corporation | Reversible recording medium and information record |
EP0208118B1 (de) * | 1985-07-08 | 1995-07-26 | Energy Conversion Devices, Inc. | Optische Datenspeicherungsvorrichtung |
JPH0649391B2 (ja) * | 1986-10-27 | 1994-06-29 | ダイセル化学工業株式会社 | Draw用光記録媒体 |
US5080947A (en) * | 1987-12-25 | 1992-01-14 | Ricoh Company, Ltd. | Information recording medium |
JP2596902B2 (ja) * | 1988-05-16 | 1997-04-02 | 日本コロムビア株式会社 | 光情報記録媒体 |
JP2596901B2 (ja) * | 1988-05-16 | 1997-04-02 | 日本コロムビア株式会社 | 光情報記録媒体 |
JPH0827973B2 (ja) * | 1988-06-27 | 1996-03-21 | 日本電気株式会社 | 光記録媒体 |
JP2941848B2 (ja) * | 1988-07-20 | 1999-08-30 | 株式会社リコー | 光記録媒体 |
JPH0237466A (ja) * | 1988-07-27 | 1990-02-07 | Canon Inc | 情報処理システム |
US5024927A (en) * | 1988-10-06 | 1991-06-18 | Ricoh Company, Ltd. | Information recording medium |
JPH02171325A (ja) * | 1988-12-23 | 1990-07-03 | Mazda Motor Corp | 自動車のキャンバストップ制御装置 |
US5100700A (en) * | 1989-03-10 | 1992-03-31 | Ricoh Company, Ltd. | Information recording medium |
JP2794467B2 (ja) * | 1989-10-04 | 1998-09-03 | 同和鉱業株式会社 | 光ディスクおよびその製造法 |
US5156693A (en) * | 1990-02-19 | 1992-10-20 | Ricoh Company, Ltd. | Information recording medium |
JP3032585B2 (ja) * | 1990-12-28 | 2000-04-17 | 株式会社リコー | 情報記録媒体 |
JP2639174B2 (ja) * | 1990-04-27 | 1997-08-06 | 松下電器産業株式会社 | 光記録媒体 |
JPH0416383A (ja) * | 1990-05-10 | 1992-01-21 | Matsushita Electric Ind Co Ltd | 光記録媒体及びその製造方法 |
JP2913759B2 (ja) * | 1990-04-27 | 1999-06-28 | 松下電器産業株式会社 | 光記録媒体 |
JP2553736B2 (ja) * | 1990-04-27 | 1996-11-13 | 松下電器産業株式会社 | 光記録媒体と光記録媒体の製造方法 |
JP3078823B2 (ja) * | 1990-06-19 | 2000-08-21 | 松下電器産業株式会社 | 光記録媒体及びその製造方法 |
JP3136153B2 (ja) * | 1990-06-19 | 2001-02-19 | 松下電器産業株式会社 | 光記録媒体及びその製造方法 |
JPH04141485A (ja) * | 1990-10-03 | 1992-05-14 | Fuji Photo Film Co Ltd | 画像形成方法 |
JP3010513B2 (ja) * | 1991-11-22 | 2000-02-21 | 松下電器産業株式会社 | 光記録媒体とその製造方法 |
JPH05144082A (ja) * | 1991-11-26 | 1993-06-11 | Matsushita Electric Ind Co Ltd | 光記録媒体と光記録媒体用保護膜 |
US5785828A (en) * | 1994-12-13 | 1998-07-28 | Ricoh Company, Ltd. | Sputtering target for producing optical recording medium |
JPH08287515A (ja) * | 1995-02-13 | 1996-11-01 | Matsushita Electric Ind Co Ltd | 光学的情報記録媒体 |
JP3268157B2 (ja) * | 1995-02-21 | 2002-03-25 | ティーディーケイ株式会社 | 光記録媒体 |
-
1997
- 1997-03-26 TW TW086103836A patent/TW337017B/zh not_active IP Right Cessation
- 1997-03-26 EP EP19970105118 patent/EP0828245B1/de not_active Expired - Lifetime
- 1997-03-26 ES ES97105118T patent/ES2296298T3/es not_active Expired - Lifetime
- 1997-03-26 DE DE1997638285 patent/DE69738285T2/de not_active Expired - Fee Related
- 1997-03-26 US US08/824,793 patent/US5948496A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0828245B1 (de) | 2007-11-14 |
DE69738285T2 (de) | 2008-02-28 |
ES2296298T3 (es) | 2008-04-16 |
EP0828245A3 (de) | 2000-02-16 |
US5948496A (en) | 1999-09-07 |
TW337017B (en) | 1998-07-21 |
EP0828245A2 (de) | 1998-03-11 |
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