FR2571168B1 - Support d'enregistrement optique. - Google Patents
Support d'enregistrement optique.Info
- Publication number
- FR2571168B1 FR2571168B1 FR858514348A FR8514348A FR2571168B1 FR 2571168 B1 FR2571168 B1 FR 2571168B1 FR 858514348 A FR858514348 A FR 858514348A FR 8514348 A FR8514348 A FR 8514348A FR 2571168 B1 FR2571168 B1 FR 2571168B1
- Authority
- FR
- France
- Prior art keywords
- recording medium
- optical recording
- optical
- medium
- recording
- 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 - Lifetime
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
- G11B7/254—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 protective topcoat layers
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
- G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
- G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
- G11B11/10582—Record carriers characterised by the selection of the material or by the structure or form
- G11B11/10586—Record carriers characterised by the selection of the material or by the structure or form characterised by the selection of the material
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
- G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
- G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
- G11B11/10582—Record carriers characterised by the selection of the material or by the structure or form
- G11B11/10586—Record carriers characterised by the selection of the material or by the structure or form characterised by the selection of the material
- G11B11/10589—Details
- G11B11/10591—Details for improving write-in properties, e.g. Curie-point temperature
-
- 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
- G11B7/254—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 protective topcoat layers
- G11B7/2548—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 protective topcoat layers consisting essentially of inorganic materials
-
- 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
- G11B7/2578—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 consisting essentially of inorganic materials
-
- 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
- G11B2007/24306—Metals or metalloids transition metal elements of groups 3-10
-
- 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
- G11B2007/25705—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 consisting essentially of inorganic materials
- G11B2007/2571—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 consisting essentially of inorganic materials containing group 14 elements except carbon (Si, Ge, Sn, Pb)
-
- 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
- G11B2007/25705—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 consisting essentially of inorganic materials
- G11B2007/25713—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 consisting essentially of inorganic materials containing 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
- G11B7/24—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
- G11B2007/25705—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 consisting essentially of inorganic materials
- G11B2007/25715—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 consisting essentially of inorganic materials containing oxygen
-
- 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
-
- 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
- G11B7/253—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 substrates
- G11B7/2533—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 substrates comprising resins
- G11B7/2534—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 substrates comprising resins polycarbonates [PC]
-
- 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
- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S430/00—Radiation imagery chemistry: process, composition, or product thereof
- Y10S430/162—Protective or antiabrasion layer
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP59203034A JPS6180640A (ja) | 1984-09-28 | 1984-09-28 | 光学的記録媒体 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2571168A1 FR2571168A1 (fr) | 1986-04-04 |
FR2571168B1 true FR2571168B1 (fr) | 1992-05-29 |
Family
ID=16467251
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR858514348A Expired - Lifetime FR2571168B1 (fr) | 1984-09-28 | 1985-09-27 | Support d'enregistrement optique. |
Country Status (5)
Country | Link |
---|---|
US (1) | US4658388A (fr) |
JP (1) | JPS6180640A (fr) |
DE (1) | DE3534571A1 (fr) |
FR (1) | FR2571168B1 (fr) |
GB (1) | GB2165264B (fr) |
Families Citing this family (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4801499A (en) * | 1985-01-24 | 1989-01-31 | Seiko Epson Corporation | Optical recording medium |
JPH0831220B2 (ja) * | 1985-08-19 | 1996-03-27 | セイコーエプソン株式会社 | 光記録媒体 |
US6077585A (en) * | 1985-01-24 | 2000-06-20 | Seiko Epson Corporation | Optical recording medium and method of preparing same |
US4861671A (en) * | 1985-10-23 | 1989-08-29 | Kerdix, Inc. | Magneto-optic recording media with protective layer |
US5253233A (en) * | 1985-12-17 | 1993-10-12 | Canon Kabushiki Kaisha | Method of making a magneto-optical recording medium that includes a light interference layer having specified characteristics |
JPS62157347A (ja) * | 1985-12-28 | 1987-07-13 | Kyocera Corp | 光磁気記録素子及びその製法 |
JPS62204451A (ja) * | 1986-03-03 | 1987-09-09 | Daicel Chem Ind Ltd | 光デイスク用プラスチツク基板とその製法 |
JP2526864B2 (ja) * | 1986-04-16 | 1996-08-21 | ソニー株式会社 | 光学記録媒体 |
US4897829A (en) * | 1986-11-20 | 1990-01-30 | Canon Kabushiki Kaisha | Cardlike optical recording medium |
US4849304A (en) * | 1986-12-17 | 1989-07-18 | Tdk Corporation | Optical recording medium |
US4902584A (en) * | 1986-12-25 | 1990-02-20 | Tdk Corporation | Optical recording medium |
JPH07111788B2 (ja) * | 1987-01-23 | 1995-11-29 | 株式会社日立製作所 | 光情報記録媒体 |
DE3716736A1 (de) * | 1987-05-19 | 1988-12-01 | Basf Ag | Flaechenfoermiges, mehrschichtiges, magneto-optisches aufzeichnungsmaterial |
US5305254A (en) * | 1987-12-15 | 1994-04-19 | Sharp Kabushiki Kaisha | Magneto-optic memory device |
US4917970A (en) * | 1988-02-01 | 1990-04-17 | Minnesota Mining & Manufacturing Company | Magneto optic recording medium with silicon carbide dielectric |
US5158834A (en) * | 1988-02-01 | 1992-10-27 | Minnesota Mining And Manufacturing Company | Magneto optic recording medium with silicon carbide dielectric |
DE3803000A1 (de) * | 1988-02-02 | 1989-08-10 | Basf Ag | Flaechenfoermiges, mehrschichtiges magneto-optisches aufzeichnungsmaterial |
DE3803013A1 (de) * | 1988-02-02 | 1989-08-10 | Basf Ag | Verfahren zur herstellung eines flaechenfoermigen, mehrschichtigen, magneto-optischen aufzeichnungsmaterials |
US5109377A (en) * | 1988-08-22 | 1992-04-28 | Fuji Photo Film Co., Ltd. | Magneto-optical recording medium and method of producing the same |
US5249175A (en) * | 1988-09-09 | 1993-09-28 | Matsushita Electric Industrial Co., Ltd. | Optical information recording medium and information recording and reproducing method therefor |
CA1333820C (fr) * | 1988-09-13 | 1995-01-03 | Masahiko Sekiya | Support d'enregistrement magneto-optique |
EP0372517A3 (fr) * | 1988-12-07 | 1990-09-05 | Tosoh Corporation | Milieu d'enregistrement magnéto-optique, et son procédé de fabrication |
US5142513A (en) * | 1989-04-20 | 1992-08-25 | Victor Company Of Japan, Ltd. | Magneto-optical storage medium and magneto-optical overwrite system with magnetic characteristic change by variation of thermal condition for recording information |
DE69015914T2 (de) * | 1989-07-28 | 1995-06-29 | Minnesota Mining & Mfg | Magneto-optisches Aufzeichnungsmedium mit dielektrischer Schicht aus hydriertem Siliziumkarbid. |
KR0172861B1 (ko) * | 1990-08-03 | 1999-04-15 | 이헌조 | 광자기 디스크구조 |
JP3038853B2 (ja) * | 1990-09-13 | 2000-05-08 | 株式会社ニコン | 高レベルのマージンが拡大したオーバーライト可能な光磁気記録媒体 |
US5251202A (en) * | 1991-05-23 | 1993-10-05 | Ricoh Company, Ltd. | Optical information recording medium having multi-layered structures for preventing undesired reflection and electric charging |
US5328813A (en) * | 1992-06-30 | 1994-07-12 | The Dow Chemical Company | Method for the preparation of optical recording media containing overcoat |
JP4571238B2 (ja) * | 1996-12-24 | 2010-10-27 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | フェーズ変化記録層を有する光学記録媒体 |
JP3730366B2 (ja) * | 1997-07-03 | 2006-01-05 | 株式会社東芝 | 薄膜磁気素子 |
US20070020560A1 (en) * | 2005-05-27 | 2007-01-25 | Larson Lief C | Limited play optical discs |
US20090075015A1 (en) * | 2007-07-24 | 2009-03-19 | Detty Michael R | Limited Play Optical Discs |
US20110032640A1 (en) * | 2009-08-10 | 2011-02-10 | Hitachi Global Storage Technologies Netherlands B.V. | Multi-layer, thin film overcoat for magnetic media disk |
Family Cites Families (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3787223A (en) * | 1968-10-16 | 1974-01-22 | Texas Instruments Inc | Chemical vapor deposition coatings on titanium |
US3665483A (en) * | 1969-06-06 | 1972-05-23 | Chase Manhattan Capital Corp | Laser recording medium |
DE1929171C3 (de) * | 1969-06-09 | 1979-06-07 | Basf Ag, 6700 Ludwigshafen | Schichtmagnetogrammträger |
US3716844A (en) * | 1970-07-29 | 1973-02-13 | Ibm | Image recording on tetrahedrally coordinated amorphous films |
US4277540A (en) * | 1971-05-03 | 1981-07-07 | Aine Harry E | Thin film magnetic recording medium |
DE2218306C3 (de) * | 1972-04-15 | 1981-07-30 | Basf Ag, 6700 Ludwigshafen | Magnetischer Aufzeichnungsträger |
JPS5674843A (en) * | 1979-11-21 | 1981-06-20 | Fuji Photo Film Co Ltd | Photomagnetic recording medium |
DE3118058A1 (de) * | 1980-05-14 | 1982-03-11 | RCA Corp., 10020 New York, N.Y. | Aufzeichnungstraeger und verfahren zum schreiben einer informationsspur sowie zum loeschen einer in dem traeger gespeicherten information |
DE3167601D1 (en) * | 1980-07-25 | 1985-01-17 | Asahi Chemical Ind | Recording material |
US4517217A (en) * | 1980-09-09 | 1985-05-14 | Westinghouse Electric Corp. | Protective coating means for articles such as gold-plated jewelry and wristwatch components |
EP0049821B1 (fr) * | 1980-10-09 | 1987-04-15 | Kabushiki Kaisha Toshiba | Elément d'enregistrement de données |
DE3039821A1 (de) * | 1980-10-22 | 1982-06-03 | Robert Bosch Gmbh, 7000 Stuttgart | Mehrschichtsystem fuer waermeschutzanwendung |
JPS5792401A (en) * | 1980-11-25 | 1982-06-09 | Fuji Photo Film Co Ltd | Magnetic recording and reproducing method |
CA1185013A (fr) * | 1981-01-14 | 1985-04-02 | Kenji Ohta | Support de memoire magneto-optique |
JPS5819739A (ja) * | 1981-07-29 | 1983-02-04 | Sony Corp | 薄膜磁気記録媒体 |
JPS5859454A (ja) * | 1981-09-28 | 1983-04-08 | Konishiroku Photo Ind Co Ltd | 電子写真感光体 |
NL8200415A (nl) * | 1982-02-04 | 1983-09-01 | Philips Nv | Optische uitleesbare informatieschijf. |
JPH079699B2 (ja) * | 1982-04-15 | 1995-02-01 | 日本電気株式会社 | 磁気ディスク記憶媒体 |
DE3317101A1 (de) * | 1982-05-10 | 1983-11-10 | Canon K.K., Tokyo | Magnetooptischer aufzeichnungstraeger |
JPS58196635A (ja) * | 1982-05-12 | 1983-11-16 | Matsushita Electric Ind Co Ltd | デイジタル信号記録、再生デイスク |
JPH0650683B2 (ja) * | 1982-09-30 | 1994-06-29 | 日本電気株式会社 | 磁気記憶体 |
DE3336445A1 (de) * | 1982-10-06 | 1984-04-12 | Fuji Photo Film Co., Ltd., Minamiashigara, Kanagawa | Lichtinformationsaufzeichnungsmaterial |
DE3382791T2 (de) * | 1982-12-15 | 1995-12-07 | Sharp Kk | Magneto-optischer Speicher. |
-
1984
- 1984-09-28 JP JP59203034A patent/JPS6180640A/ja active Granted
-
1985
- 1985-09-24 US US06/779,414 patent/US4658388A/en not_active Expired - Lifetime
- 1985-09-26 GB GB08523782A patent/GB2165264B/en not_active Expired
- 1985-09-27 DE DE19853534571 patent/DE3534571A1/de active Granted
- 1985-09-27 FR FR858514348A patent/FR2571168B1/fr not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE3534571C2 (fr) | 1992-03-26 |
JPH0481817B2 (fr) | 1992-12-25 |
DE3534571A1 (de) | 1986-04-03 |
US4658388A (en) | 1987-04-14 |
GB8523782D0 (en) | 1985-10-30 |
JPS6180640A (ja) | 1986-04-24 |
GB2165264A (en) | 1986-04-09 |
GB2165264B (en) | 1988-05-25 |
FR2571168A1 (fr) | 1986-04-04 |
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