DE69122896T2 - Optischer Informationsaufzeichnungsträger - Google Patents
Optischer InformationsaufzeichnungsträgerInfo
- Publication number
- DE69122896T2 DE69122896T2 DE69122896T DE69122896T DE69122896T2 DE 69122896 T2 DE69122896 T2 DE 69122896T2 DE 69122896 T DE69122896 T DE 69122896T DE 69122896 T DE69122896 T DE 69122896T DE 69122896 T2 DE69122896 T2 DE 69122896T2
- Authority
- DE
- Germany
- Prior art keywords
- information recording
- optical information
- recording medium
- glass substrate
- medium
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
- B29C39/22—Component parts, details or accessories; Auxiliary operations
- B29C39/26—Moulds or cores
- B29C39/28—Moulds or cores with means to avoid flashes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D17/00—Producing carriers of records containing fine grooves or impressions, e.g. disc records for needle playback, cylinder records; Producing record discs from master stencils
- B29D17/005—Producing optically read record carriers, e.g. optical 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
-
- 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
- G11B7/263—Preparing and using a stamper, e.g. pressing or injection molding substrates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
- B29C35/08—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
- B29C35/0805—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation
- B29C2035/0827—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation using UV radiation
-
- 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
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24777—Edge feature
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Manufacturing Optical Record Carriers (AREA)
- Optical Recording Or Reproduction (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3979590 | 1990-02-22 | ||
JP29428690A JP2998194B2 (ja) | 1990-02-22 | 1990-10-31 | 光ディスク用ガラス基板 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69122896D1 DE69122896D1 (de) | 1996-12-05 |
DE69122896T2 true DE69122896T2 (de) | 1997-05-15 |
Family
ID=26379188
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69122896T Expired - Fee Related DE69122896T2 (de) | 1990-02-22 | 1991-02-19 | Optischer Informationsaufzeichnungsträger |
Country Status (4)
Country | Link |
---|---|
US (1) | US5202171A (de) |
EP (1) | EP0443522B1 (de) |
AT (1) | ATE144855T1 (de) |
DE (1) | DE69122896T2 (de) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5453975A (en) * | 1991-12-16 | 1995-09-26 | Sharp Kabushiki Kaisha | Optical disc with surface coating and manufacturing method therefor |
JP2768862B2 (ja) * | 1991-12-16 | 1998-06-25 | シャープ株式会社 | 光ディスクおよびその表面処理方法 |
JP2973155B2 (ja) * | 1993-10-29 | 1999-11-08 | 株式会社名機製作所 | ディスク基板並びに該ディスク基板の成形に用いる成形金型 |
USRE39412E1 (en) | 1995-02-15 | 2006-11-28 | Matsushita Electric Industrial Co., Ltd. | Optical information medium, and method and apparatus for fabricating the same |
US6020042A (en) * | 1998-10-14 | 2000-02-01 | First Light Technology, Inc. | Substrate design for bonded storage disks and method of making same |
JP3888608B2 (ja) * | 2001-04-25 | 2007-03-07 | 東京エレクトロン株式会社 | 基板両面処理装置 |
JP2005067055A (ja) * | 2003-08-26 | 2005-03-17 | Tdk Corp | 成形金型、光ディスク用基板及び光ディスク |
US8007867B2 (en) | 2005-08-30 | 2011-08-30 | Panasonic Corporation | Multilayered information recording medium and process for producing said multilayered information recording medium, and apparatus for producing multilayered information recording medium and screen constituting said production apparatus for producing multilayered information recording medium |
JP2008065119A (ja) * | 2006-09-08 | 2008-03-21 | Hitachi Maxell Ltd | ホログラム記録媒体及びそれを収容したホログラムカートリッジメディア |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3322131A1 (de) * | 1983-06-20 | 1984-12-20 | Polygram Gmbh, 2000 Hamburg | Plattenfoermiger, optisch auslesbarer informationstraeger mit schutzrand |
JPS6391843A (ja) * | 1986-10-06 | 1988-04-22 | Fuji Photo Film Co Ltd | 光デイスク基板 |
JPH0731813B2 (ja) * | 1987-02-27 | 1995-04-10 | 株式会社日立製作所 | 光デイスク |
JPS63237234A (ja) * | 1987-03-24 | 1988-10-03 | Mitsubishi Electric Corp | デイスク原盤 |
JPS6464147A (en) * | 1987-09-03 | 1989-03-10 | Sony Corp | Formation of protective film of magnetic recording medium |
-
1991
- 1991-02-19 DE DE69122896T patent/DE69122896T2/de not_active Expired - Fee Related
- 1991-02-19 AT AT91102352T patent/ATE144855T1/de not_active IP Right Cessation
- 1991-02-19 EP EP91102352A patent/EP0443522B1/de not_active Expired - Lifetime
- 1991-02-21 US US07/658,667 patent/US5202171A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0443522B1 (de) | 1996-10-30 |
DE69122896D1 (de) | 1996-12-05 |
EP0443522A3 (en) | 1992-09-02 |
ATE144855T1 (de) | 1996-11-15 |
US5202171A (en) | 1993-04-13 |
EP0443522A2 (de) | 1991-08-28 |
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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 |