ATE144855T1 - Optischer informationsaufzeichnungsträger - Google Patents

Optischer informationsaufzeichnungsträger

Info

Publication number
ATE144855T1
ATE144855T1 AT91102352T AT91102352T ATE144855T1 AT E144855 T1 ATE144855 T1 AT E144855T1 AT 91102352 T AT91102352 T AT 91102352T AT 91102352 T AT91102352 T AT 91102352T AT E144855 T1 ATE144855 T1 AT E144855T1
Authority
AT
Austria
Prior art keywords
information recording
optical information
recording medium
glass substrate
medium
Prior art date
Application number
AT91102352T
Other languages
English (en)
Inventor
Yoshikazu Anezaki
Koji Sasaki
Original Assignee
Sony Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from JP29428690A external-priority patent/JP2998194B2/ja
Application filed by Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of ATE144855T1 publication Critical patent/ATE144855T1/de

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 Record Carriers And Manufacture Thereof (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
AT91102352T 1990-02-22 1991-02-19 Optischer informationsaufzeichnungsträger ATE144855T1 (de)

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 (1)

Publication Number Publication Date
ATE144855T1 true ATE144855T1 (de) 1996-11-15

Family

ID=26379188

Family Applications (1)

Application Number Title Priority Date Filing Date
AT91102352T ATE144855T1 (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)

* Cited by examiner, † Cited by third party
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
KR20080039905A (ko) * 2005-08-30 2008-05-07 마쯔시다덴기산교 가부시키가이샤 다층 정보 기록 매체 및 그 제조 방법, 및 다층 정보 기록매체의 제조 장치와 그 제조 장치를 구성하는 다층 정보기록 매체 제조용 스크린
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
DE69122896T2 (de) 1997-05-15
DE69122896D1 (de) 1996-12-05
EP0443522B1 (de) 1996-10-30
EP0443522A3 (en) 1992-09-02
EP0443522A2 (de) 1991-08-28
US5202171A (en) 1993-04-13

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee