DE3671998D1 - Optische platte. - Google Patents
Optische platte.Info
- Publication number
- DE3671998D1 DE3671998D1 DE8686102099T DE3671998T DE3671998D1 DE 3671998 D1 DE3671998 D1 DE 3671998D1 DE 8686102099 T DE8686102099 T DE 8686102099T DE 3671998 T DE3671998 T DE 3671998T DE 3671998 D1 DE3671998 D1 DE 3671998D1
- Authority
- DE
- Germany
- Prior art keywords
- optical plate
- optical
- plate
- 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
- G11B7/24015—Air-sandwiched discs
-
- 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
- G11B7/24097—Structures for detection, control, recording operation or replay operation; Special shapes or structures for centering or eccentricity prevention; Arrangements for testing, inspecting or evaluating; Containers, cartridges or cassettes
-
- 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
- G11B7/26—Apparatus or processes specially adapted for the manufacture of record carriers
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Manufacturing Optical Record Carriers (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2822185 | 1985-02-18 | ||
JP5236985 | 1985-03-18 | ||
JP61030653A JPH07107751B2 (ja) | 1985-03-18 | 1986-02-17 | 光デイスクならびにその製造方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3671998D1 true DE3671998D1 (de) | 1990-07-19 |
Family
ID=27286121
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8686102099T Expired - Lifetime DE3671998D1 (de) | 1985-02-18 | 1986-02-18 | Optische platte. |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0192244B1 (de) |
DE (1) | DE3671998D1 (de) |
Families Citing this family (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0433555Y2 (de) * | 1986-10-30 | 1992-08-11 | ||
JPH0664877B2 (ja) * | 1986-11-05 | 1994-08-22 | 株式会社東芝 | 情報記憶媒体 |
JPS647391A (en) * | 1987-03-16 | 1989-01-11 | Pioneer Electronic Corp | Optical information disk |
JPH0514365Y2 (de) * | 1987-07-27 | 1993-04-16 | ||
JPH0731422Y2 (ja) * | 1987-12-01 | 1995-07-19 | 三井石油化学工業株式会社 | 光ディスク |
US5448547A (en) * | 1987-12-01 | 1995-09-05 | Mitsui Petrochemical Industries, Ltd. | Information recording discs |
JPH0734498Y2 (ja) * | 1988-02-03 | 1995-08-02 | 日東電工株式会社 | スペーサー |
JPH04106737A (ja) * | 1990-08-28 | 1992-04-08 | Toshiba Corp | 情報記録媒体 |
TW218427B (de) * | 1991-06-04 | 1994-01-01 | Ibm | |
US5255262A (en) * | 1991-06-04 | 1993-10-19 | International Business Machines Corporation | Multiple data surface optical data storage system with transmissive data surfaces |
US5449590A (en) * | 1991-06-04 | 1995-09-12 | International Business Machines Corporation | Multiple data surface optical data storage system |
US5586107A (en) * | 1991-06-04 | 1996-12-17 | International Business Machines Corporation | Multiple data surface optical data storage system |
US5666344A (en) * | 1991-06-04 | 1997-09-09 | International Business Machines Corporation | Multiple data surface optical data storage system |
US5644555A (en) * | 1995-01-19 | 1997-07-01 | International Business Machines Corporation | Multiple data surface magneto-optical data storage system |
JP2005523549A (ja) * | 2002-04-22 | 2005-08-04 | アルケマ | 光ディスク構造 |
US7600359B2 (en) | 2002-05-09 | 2009-10-13 | Seagate Technology Llc | Method of merging two disks concentrically without gap between disks |
US7165308B2 (en) | 2002-05-09 | 2007-01-23 | Maxtor Corporation | Dual disk transport mechanism processing two disks tilted toward each other |
MY138480A (en) * | 2002-05-09 | 2009-06-30 | Maxtor Corp | Method of simultaneous two-disk processing of single-sided magnetic recording disks |
US7083871B2 (en) | 2002-05-09 | 2006-08-01 | Maxtor Corporation | Single-sided sputtered magnetic recording disks |
US7052739B2 (en) | 2002-05-09 | 2006-05-30 | Maxtor Corporation | Method of lubricating multiple magnetic storage disks in close proximity |
US7367773B2 (en) | 2002-05-09 | 2008-05-06 | Maxtor Corporation | Apparatus for combining or separating disk pairs simultaneously |
US7027246B2 (en) | 2002-05-09 | 2006-04-11 | Maxtor Corporation | Method for servo pattern application on single-side processed disks in a merged state |
US7083502B2 (en) | 2002-10-10 | 2006-08-01 | Maxtor Corporation | Method for simultaneous two-disk texturing |
US7168153B2 (en) | 2002-10-10 | 2007-01-30 | Maxtor Corporation | Method for manufacturing single-sided hard memory disks |
US7748532B2 (en) | 2002-10-10 | 2010-07-06 | Seagate Technology Llc | Cassette for holding disks of different diameters |
US7083376B2 (en) | 2002-10-10 | 2006-08-01 | Maxtor Corporation | Automated merge nest for pairs of magnetic storage disks |
US8172954B2 (en) | 2002-10-10 | 2012-05-08 | Seagate Technology Llc | Apparatus for simultaneous two-disk scrubbing and washing |
US7682653B1 (en) | 2004-06-17 | 2010-03-23 | Seagate Technology Llc | Magnetic disk with uniform lubricant thickness distribution |
US7882616B1 (en) | 2004-09-02 | 2011-02-08 | Seagate Technology Llc | Manufacturing single-sided storage media |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4074282A (en) * | 1976-05-13 | 1978-02-14 | North American Philips Corporation | Radiation-sensitive record with protected sensitive surface |
DE2624375C3 (de) * | 1976-05-31 | 1979-01-04 | Polygram Gmbh, 2000 Hamburg | Plattenförmiger Informationsträger für Bild- bzw. Videosignale |
US4331966A (en) * | 1980-10-06 | 1982-05-25 | Storage Technology Corporation | Information storage device and method of forming same |
JPS5766540A (en) * | 1980-10-09 | 1982-04-22 | Toshiba Corp | Optical information storage carrier and its manufacture |
JPS5987636A (ja) * | 1982-11-10 | 1984-05-21 | Toshiba Corp | 情報記憶媒体 |
NL8300479A (nl) * | 1983-02-09 | 1984-09-03 | Philips Nv | Optisch uitleesbare plaat. |
-
1986
- 1986-02-18 EP EP86102099A patent/EP0192244B1/de not_active Expired - Lifetime
- 1986-02-18 DE DE8686102099T patent/DE3671998D1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0192244A1 (de) | 1986-08-27 |
EP0192244B1 (de) | 1990-06-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |