DE3669605D1 - Optisches speicherelement. - Google Patents
Optisches speicherelement.Info
- Publication number
- DE3669605D1 DE3669605D1 DE8686307305T DE3669605T DE3669605D1 DE 3669605 D1 DE3669605 D1 DE 3669605D1 DE 8686307305 T DE8686307305 T DE 8686307305T DE 3669605 T DE3669605 T DE 3669605T DE 3669605 D1 DE3669605 D1 DE 3669605D1
- Authority
- DE
- Germany
- Prior art keywords
- storage element
- optical storage
- optical
- 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 - Lifetime
Links
- 230000003287 optical effect Effects 0.000 title 1
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
- 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
- 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
- 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
- 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
- G11B2007/25708—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 13 elements (B, Al, Ga)
-
- 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
- G11B7/253—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
- G11B7/2531—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 glass
-
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP60211660A JPS6271042A (ja) | 1985-09-24 | 1985-09-24 | 光メモリ素子 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3669605D1 true DE3669605D1 (de) | 1990-04-19 |
Family
ID=16609477
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8686307305T Expired - Lifetime DE3669605D1 (de) | 1985-09-24 | 1986-09-23 | Optisches speicherelement. |
Country Status (5)
Country | Link |
---|---|
US (1) | US4792474A (de) |
EP (1) | EP0216634B1 (de) |
JP (1) | JPS6271042A (de) |
CA (1) | CA1264852A (de) |
DE (1) | DE3669605D1 (de) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0233062B1 (de) * | 1986-02-05 | 1992-04-22 | Oki Electric Industry Company, Limited | Magnetisch-optisches Gedächtnismedium |
JP2579465B2 (ja) * | 1986-06-10 | 1997-02-05 | セイコーエプソン株式会社 | 光磁気記録媒体の製造方法 |
NL8702493A (nl) * | 1986-10-31 | 1988-05-16 | Seiko Epson Corp | Optisch opnamemedium en werkwijze voor het vervaardigen daarvan. |
JPS63311642A (ja) * | 1987-06-12 | 1988-12-20 | Sharp Corp | 光メモリ素子 |
DE3803014A1 (de) * | 1988-02-02 | 1989-08-10 | Basf Ag | Verfahren zur herstellung einer duennen roentgenamorphen aluminiumnitrid- oder aluminiumsiliciumnitrid-schicht auf einer oberflaeche |
DE3802998A1 (de) * | 1988-02-02 | 1989-08-10 | Basf Ag | Verfahren zur herstellung einer duennen roentgenamorphen aluminiumnitrid- oder aluminiumsiliciumnitridschicht auf einer oberflaeche |
EP0349271B1 (de) * | 1988-06-28 | 1995-02-22 | Sharp Kabushiki Kaisha | Magneto-optisches Speichergerät |
JPH0264944A (ja) * | 1988-08-30 | 1990-03-05 | Mitsubishi Electric Corp | 光磁気記録媒体 |
JPH02254648A (ja) * | 1989-03-28 | 1990-10-15 | Seiko Epson Corp | 光磁気ディスク |
JP2654689B2 (ja) * | 1989-05-16 | 1997-09-17 | 富士写真フイルム株式会社 | 光磁気記録媒体 |
US5156909A (en) * | 1989-11-28 | 1992-10-20 | Battelle Memorial Institute | Thick, low-stress films, and coated substrates formed therefrom, and methods for making same |
US5514468A (en) * | 1991-04-17 | 1996-05-07 | Shin-Etsu Chemical Co., Ltd. | Magneto-optical recording medium |
CA2083865C (en) * | 1991-12-04 | 1998-09-29 | Masahiko Sekiya | Substrate for optical recording medium and magneto-optical recording medium using same |
US5587216A (en) * | 1992-10-16 | 1996-12-24 | Matsushita Electric Industrial Co., Ltd. | Optical recording medium |
EP0598377B1 (de) * | 1992-11-17 | 1999-09-22 | Mitsubishi Chemical Corporation | Magnetooptischer Aufzeichnungträger und Verfahren zur Aufzeichnung und Wiedergabe von optischer Information |
US7613869B2 (en) | 2006-11-27 | 2009-11-03 | Brigham Young University | Long-term digital data storage |
CN102484070B (zh) | 2009-06-26 | 2014-12-10 | 康奈尔大学 | 用于铝-硅氮化物的化学气相沉积处理 |
WO2010151855A2 (en) | 2009-06-26 | 2010-12-29 | Cornell University | Iii-v semiconductor structures including aluminum-silicon nitride passivation |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2437668A1 (fr) * | 1978-09-29 | 1980-04-25 | Thomson Csf | Disque optique protege |
DE3039821A1 (de) * | 1980-10-22 | 1982-06-03 | Robert Bosch Gmbh, 7000 Stuttgart | Mehrschichtsystem fuer waermeschutzanwendung |
JPS5933320B2 (ja) * | 1981-04-03 | 1984-08-15 | 株式会社東芝 | 光学的情報記録媒体 |
IL63802A (en) * | 1981-09-11 | 1984-10-31 | Iscar Ltd | Sintered hard metal products having a multi-layer wear-resistant coating |
JPS599094A (ja) * | 1982-07-09 | 1984-01-18 | Asahi Chem Ind Co Ltd | 情報記録用部材 |
US4510593A (en) * | 1982-10-18 | 1985-04-09 | Minnesota Mining And Manufacturing Company | Information disk of grooved, metal-coated crosslinked polymeric layer |
JPH0613238B2 (ja) * | 1982-11-08 | 1994-02-23 | 株式会社リコー | 光学的情報記録媒体 |
NL8301072A (nl) * | 1983-03-28 | 1984-10-16 | Philips Nv | Optische registratieschijf. |
JPS59227049A (ja) * | 1983-06-07 | 1984-12-20 | Fuji Photo Film Co Ltd | 情報記録媒体 |
US4619865A (en) * | 1984-07-02 | 1986-10-28 | Energy Conversion Devices, Inc. | Multilayer coating and method |
US4777068A (en) * | 1984-08-10 | 1988-10-11 | Canon Kabushiki Kaisha | Optical recording medium |
JPS6231052A (ja) * | 1985-04-25 | 1987-02-10 | Seiko Epson Corp | 光記録媒体 |
-
1985
- 1985-09-24 JP JP60211660A patent/JPS6271042A/ja active Granted
-
1986
- 1986-09-04 CA CA000517495A patent/CA1264852A/en not_active Expired
- 1986-09-18 US US06/908,716 patent/US4792474A/en not_active Expired - Lifetime
- 1986-09-23 DE DE8686307305T patent/DE3669605D1/de not_active Expired - Lifetime
- 1986-09-23 EP EP86307305A patent/EP0216634B1/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS6271042A (ja) | 1987-04-01 |
CA1264852A (en) | 1990-01-23 |
US4792474A (en) | 1988-12-20 |
JPH0418377B2 (de) | 1992-03-27 |
EP0216634A1 (de) | 1987-04-01 |
EP0216634B1 (de) | 1990-03-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8328 | Change in the person/name/address of the agent |
Free format text: PATENTANWAELTE MUELLER & HOFFMANN, 81667 MUENCHEN |