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KR890013618A - 광 디스크 - Google Patents

광 디스크 Download PDF

Info

Publication number
KR890013618A
KR890013618A KR1019890002162A KR890002162A KR890013618A KR 890013618 A KR890013618 A KR 890013618A KR 1019890002162 A KR1019890002162 A KR 1019890002162A KR 890002162 A KR890002162 A KR 890002162A KR 890013618 A KR890013618 A KR 890013618A
Authority
KR
South Korea
Prior art keywords
sio
substrates
reflective layer
optical disc
sensitive adhesive
Prior art date
Application number
KR1019890002162A
Other languages
English (en)
Inventor
다다노리 미찌모또
히데까즈 다까하시
야스오 미또
에이지 다까바따께
Original Assignee
가마이 고로오
닛또 덴꼬 가부시끼가이샤
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
Application filed by 가마이 고로오, 닛또 덴꼬 가부시끼가이샤 filed Critical 가마이 고로오
Publication of KR890013618A publication Critical patent/KR890013618A/ko

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
    • G11B7/256—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 improving adhesion between 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
    • G11B7/24018—Laminated discs
    • G11B7/24024—Adhesion or bonding, e.g. specific adhesive layers
    • 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.]
    • Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
    • Y10T428/24917—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.] including metal layer
    • 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
    • Y10T428/31—Surface property or characteristic of web, sheet or block
    • 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
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31652—Of asbestos
    • Y10T428/31663—As siloxane, silicone or silane
    • 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
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31678—Of metal

Landscapes

  • Adhesives Or Adhesive Processes (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Adhesive Tapes (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)
  • Laminated Bodies (AREA)

Abstract

내용 없음.

Description

광 디스크
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 일실시예에 따른 광 디스크의 단면도.
제2도는 본 발명의 또다른 실시예에 따른 광 디스크의 단면도.
제3도는 본 발명의 광 디스크 제조시에 사용된 벌크 형태의 실리콘 압력 감지 접착제 부재의 부분 단면도.

Claims (8)

  1. 각각 한면에 기록 표면과 금속 반사층을 겹쳐 갖는 한쌍의 기판을 포함하며, 이 기판들은 한 기판의 반사층이 다른 기판의 반사층을 향하도록 놓여지고 매끄러운 표면의 실리콘 양면 압력 감지 접착제 부재로 함께 부착되어짐을 특징으로 하는 광 디스크.
  2. 제1항에 있어서, 상기 매끄러운 표면의 실리콘 양면 압력 감지 접착제 부재는 R이 1 내지 4개의 탄소원자를 갖는 알킬그룹, 알케닐그룹, 혹은 아릴그룹일때 반드시 SiO2유니트와 R3SiO0.5유니트로 구성되는 공중합체 수지와 역시 R이 상기와 같을때 반드시 R2SiO유니트로 구성되는 디오가노폴리실록산의 혼합제 혹은 응축제를 포함함을 특징으로 하는 광 디스크.
  3. 제2항에 있어서, R2SiO유니트에 의해 표시되는 실록산중의 Rs는 5몰퍼센트(mol%)이상의 아릴 그룹을 포함함을 특징으로 하는 광 디스크.
  4. 제2항에 있어서, R2SiO유니트에 의해 표시되는 실록산은 25℃에서 500,000cSt이상의 점성도를 가짐을 특징으로 하는 광 디스크.
  5. 각각 한면에 기록 표면과 금속 반사층을 겹쳐 갖는 한쌍의 기판을 포함하며, 이 기판들은 한 기관의 반사층이 다른 기판의 반사층을 향하토록 놓여지고 기판들의 외주 부분자 내주 부분에서 두 기판 사이에 스페이서가 삽입되어 매끄러운 표면의 실리콘 양면 압력 감지 접착제 부재로 기판들과 스페이서 사이의 계면을 접착하므로써 상기 두 기판을 부착시킴을 특징으로 하는 광 디스크.
  6. 제5항에 있어서, 상기 매끄러운 표면의 실리콘 양면 압력 감지 접착제 부재는 R이 1 내지 4개의 탄소원자를 갖는 알킬그룹, 알케닐그룹, 혹은 아릴그룹일때 반드시 SiO2유니트와 R3SiO유니트로 구성되는 R이 상기와 같을 때 반드시 R2SiO유니트로 구성되는 디오가노폴리실록산의 혼합제 혹은 응축제를 포함함을 특징으로 하는 광 디스크.
  7. 제6항에 있어서, R2SiO유니트에 의해 표시되는 실록산중의 Rs는 5몰퍼센트(mol%)이상의 아릴 그룹을 포함함을 특징으로 하는 광 디스크.
  8. 제6항에 있어서, R2SiO유니트에 의해 표시되는 실록산은 25℃에서 500,000cSt이상의 점성도를 가짐을 특징으로 하는 광 디스크.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019890002162A 1988-02-24 1989-02-24 광 디스크 KR890013618A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP63043033A JP2656785B2 (ja) 1988-02-24 1988-02-24 光デイスク
JP63-43033 1988-02-24

Publications (1)

Publication Number Publication Date
KR890013618A true KR890013618A (ko) 1989-09-25

Family

ID=12652618

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890002162A KR890013618A (ko) 1988-02-24 1989-02-24 광 디스크

Country Status (4)

Country Link
US (1) US4939011A (ko)
EP (1) EP0330197A3 (ko)
JP (1) JP2656785B2 (ko)
KR (1) KR890013618A (ko)

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JPH02254648A (ja) * 1989-03-28 1990-10-15 Seiko Epson Corp 光磁気ディスク
US5255260A (en) * 1989-07-28 1993-10-19 Matsushita Electric Industrial Co., Ltd. Optical recording apparatus employing stacked recording media with spiral grooves and floating optical heads
US5197049A (en) * 1989-08-11 1993-03-23 Apple Computer, Inc. Head and media for optical data storage
JP2656985B2 (ja) * 1989-09-22 1997-09-24 シャープ株式会社 光メモリ素子
EP0458604B1 (en) * 1990-05-22 1997-08-27 Canon Kabushiki Kaisha Method and apparatus for recording and reproducing information in cells using multiple interference
US5146438A (en) * 1990-05-30 1992-09-08 E. I. Du Pont De Nemours & Co. Method of making double-sided magneto-optical disks having reduced birefringence
US5244775A (en) * 1991-03-20 1993-09-14 Hitachi, Ltd. Method of manufacturing an optical disc
US5538774A (en) * 1994-07-29 1996-07-23 Minnesota Mining And Manufacturing Company Internally damped rotatable storage article
US5951806A (en) * 1995-11-30 1999-09-14 Kitano Engineering Co., Ltd. Method of manufacturing a storage disc
JPH09221651A (ja) * 1996-02-16 1997-08-26 Asahi Denka Kogyo Kk エネルギー線反応性接着剤組成物
JP3666111B2 (ja) * 1996-03-21 2005-06-29 ソニー株式会社 円盤状光記録媒体
EP0822546B1 (de) * 1996-07-12 2003-10-01 Ciba SC Holding AG Speichermedien mit hoher Kapazität
US5932051A (en) * 1996-09-05 1999-08-03 Wea Manufacturing, Inc. Pre-stressed bonding system for double sided compact discs
JPH10149578A (ja) * 1996-11-20 1998-06-02 Taiyo Yuden Co Ltd 光記録媒体
JP3014979B2 (ja) * 1997-01-21 2000-02-28 日東電工株式会社 光ディスク製造方法およびそれに用いる装置
JPH10208319A (ja) * 1997-01-28 1998-08-07 Kitano Eng Kk ディスク基板の貼り合わせ方法
GB2326014A (en) * 1997-05-16 1998-12-09 Jan Robert Coyle A two-sided digital disc
US5932042A (en) * 1997-06-19 1999-08-03 Gensel; Lewis Compact disc curing assembly line with deforming to a predetermined curvature prior to complete cure
US5821029A (en) * 1997-06-25 1998-10-13 Eastman Kodak Company Optical recording elements containing mixtures of metallized carbamoylazo and cyanine dyes
US5786124A (en) * 1997-06-25 1998-07-28 Eastman Kodak Company Optical recording elements containing metallized carbamoylazo dyes
KR20010014206A (ko) 1997-06-26 2001-02-26 알프레드 엘. 미첼슨 광학 장치 및 이들의 배치 방법
EP0932149B1 (en) 1998-01-27 2006-09-06 Kitano Co., Ltd. Method of and apparatus for laminating disc-shaped substrates
US6168682B1 (en) 1998-02-10 2001-01-02 3M Innovative Properties Company Method of manufacturing an optical recording medium
US6270943B1 (en) 1998-02-20 2001-08-07 Eastman Kodak Company Optical recording elements comprising novel metallized azo ether dyes
US6582881B1 (en) 1998-02-20 2003-06-24 Eastman Kodak Company Optical recording elements containing mixture of metallized azo ether and cyanine dyes
US6447981B1 (en) * 1998-05-26 2002-09-10 Eastman Kodak Company Metallized azo thioether dyes
US6599602B2 (en) 1999-06-02 2003-07-29 3M Innovative Properties Company Polycarbonate articles and adhesive composition therefor
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JP2002015476A (ja) * 2000-06-29 2002-01-18 Kitano Engineering Kk ディスク基板の貼り合わせ方法
TW474034B (en) * 2000-11-07 2002-01-21 United Epitaxy Co Ltd LED and the manufacturing method thereof
JP6576681B2 (ja) * 2015-05-07 2019-09-18 日東電工株式会社 巻き芯保護用粘着シート、保護済巻き芯、およびフィルムの巻き取り巻き替え方法

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Also Published As

Publication number Publication date
EP0330197A3 (en) 1991-09-04
US4939011A (en) 1990-07-03
EP0330197A2 (en) 1989-08-30
JPH01217738A (ja) 1989-08-31
JP2656785B2 (ja) 1997-09-24

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Legal Events

Date Code Title Description
PA0109 Patent application

Patent event code: PA01091R01D

Comment text: Patent Application

Patent event date: 19890224

PG1501 Laying open of application
PC1203 Withdrawal of no request for examination
WITN Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid