KR910003605A - 광정보 기록 매체 - Google Patents

광정보 기록 매체 Download PDF

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Publication number
KR910003605A
KR910003605A KR1019890010427A KR890010427A KR910003605A KR 910003605 A KR910003605 A KR 910003605A KR 1019890010427 A KR1019890010427 A KR 1019890010427A KR 890010427 A KR890010427 A KR 890010427A KR 910003605 A KR910003605 A KR 910003605A
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KR
South Korea
Prior art keywords
information recording
optical information
recording medium
medium according
layer
Prior art date
Application number
KR1019890010427A
Other languages
English (en)
Other versions
KR950005035B1 (ko
Inventor
에미꼬 하마다
유지 아라이
유아끼 싱
다까시 이시구로
Original Assignee
가와다 미쓰구
다이요 유덴 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
Priority claimed from JP63191715A external-priority patent/JPH07114028B2/ja
Priority claimed from JP1007511A external-priority patent/JPH0827985B2/ja
Application filed by 가와다 미쓰구, 다이요 유덴 가부시끼가이샤 filed Critical 가와다 미쓰구
Publication of KR910003605A publication Critical patent/KR910003605A/ko
Application granted granted Critical
Publication of KR950005035B1 publication Critical patent/KR950005035B1/ko

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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
    • G11B7/24018—Laminated discs
    • G11B7/24027—Layers; Shape, structure or physical properties thereof
    • 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
    • G11B7/007—Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track
    • G11B7/0079—Zoned data area, e.g. having different data structures or formats for the user data within data layer, Zone Constant Linear Velocity [ZCLV], Zone Constant Angular Velocity [ZCAV], carriers with RAM and ROM areas
    • 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
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material 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
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/0045—Recording
    • G11B7/00452—Recording involving bubble or bump forming
    • 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
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/005—Reproducing
    • G11B7/0051—Reproducing involving phase depth effects
    • 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
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31678—Of metal

Landscapes

  • Engineering & Computer Science (AREA)
  • Software Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)

Abstract

내용 없음.

Description

광정보 기록 매체
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 광정보 기록 매체의 구조물의 한 구현예를 도식적으로 나타낸 부분 사시 단면도이다.
제2도는 제1도의 부분 A의 확대도이다.
제3도는 제1도의 부분 B의 확대도이다.

Claims (8)

  1. 기록된 데이타를 레이저빔으로 스캐닝함으로써 재생시킬 수 있는 유형으로, 경우에 따라 판독가능한 요공이 이미 형성되어 있는 ROM 영역 및 경우에 따라 판독가능한 요공을 쓰기 레이저빔으로 조사시킴으로써 형성시킬 수 있는 정보 기록가능 영역으로 구성되어 있으며, 여기서 정보 기록가능 영역은 변형성 표면을 갖는 광투과 기판, 변형성 표면 위에 겹쳐져서 쓰기 레이저빔을 흡수하는 광흡수층, 및 광흡수층 위에 겹쳐져 있는 광반사층으로 구성되어 있으며, 전술한 변형성 표면은 광흡수층에 의해 쓰기 레이저빔의 흡수로 인해 발생한 에너지에 의해 변형가능하여 광학식으로 판독 가능한 요공을 형성시킴을 특징으로 하는 광정보 기록 매체.
  2. 제2항에 있어서, 광투과 기판이 4.6㎏/㎤의 하중 하에 ASTM D648에 준하여 측정된 바의 열변형 온도가 85~200℃의 범위 이내임을 특징으로 하는 광정보 기록 매체.
  3. 제1 또는 2항에 있어서, 광 투과 기판이 ASTM D785에 준하여 측정된 바의 록웰(Rockwell) 경도가 M200~M75의 범위 이내임을 특징으로 하는 광정보 기록 매체.
  4. 제1∼3항 중 어느 한 항에 있어서, 기판이 폴리카르보네이트 수지, 아크릴레이트 수지 또는 또는 에폭시 수지임을 특징으로 하는 광정보 기록 매체.
  5. 제1~4항 중 어느 한 항에 있어서, 광흡수층 시아닌 색소로 됨을 특징으로 하는 광정보 기록 매체.
  6. 제1~5항중 어느 한 항에 있어서, 반사층이 금, 은, 구리, 알루미늄 또는 이들의 합금으로 제조됨을 특징으로 하는 광정보 기록 매체.
  7. 제1∼6항중 어느 한 항에 있어서, 기판의 변형성 표면층이 전술한 경우에 따라 판독가능한 요공을 형성시킬 트랙킹 가이드 홈을 가짐을 특징으로 하는 광정보 기록 매체.
  8. 제1~7항 중 어느 한 항에 있어서, 보호층이 최상층으로서 제공됨을 특징으로 하는 광정보 기록 매체.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019890010427A 1988-07-30 1989-07-22 광정보 기록 매체 KR950005035B1 (ko)

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
JP63191715A JPH07114028B2 (ja) 1988-07-30 1988-07-30 光情報記録媒体
JP19171688 1988-07-30
JP63-191715 1988-07-30
JP88-191715 1988-07-30
JP63-191716 1988-07-30
JP88-191716 1988-07-30
JP89-07511 1989-01-14
JP64-7511 1989-01-14
JP1007511A JPH0827985B2 (ja) 1988-07-30 1989-01-14 光情報記録媒体とその記録方法

Publications (2)

Publication Number Publication Date
KR910003605A true KR910003605A (ko) 1991-02-27
KR950005035B1 KR950005035B1 (ko) 1995-05-17

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890010427A KR950005035B1 (ko) 1988-07-30 1989-07-22 광정보 기록 매체

Country Status (9)

Country Link
US (1) US4940618A (ko)
EP (2) EP0353391B1 (ko)
KR (1) KR950005035B1 (ko)
AT (2) ATE148803T1 (ko)
CA (1) CA1320573C (ko)
DE (2) DE68929413T2 (ko)
ES (2) ES2179137T3 (ko)
HK (1) HK1000262A1 (ko)
SG (1) SG43846A1 (ko)

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Also Published As

Publication number Publication date
EP0741383B1 (en) 2002-07-03
DE68927751T2 (de) 1997-05-28
SG43846A1 (en) 1997-11-14
EP0353391A3 (en) 1990-08-08
ATE148803T1 (de) 1997-02-15
EP0741383A2 (en) 1996-11-06
EP0741383A3 (en) 1996-11-20
ES2179137T3 (es) 2003-01-16
ATE220238T1 (de) 2002-07-15
KR950005035B1 (ko) 1995-05-17
EP0353391A2 (en) 1990-02-07
EP0353391B1 (en) 1997-02-05
CA1320573C (en) 1993-07-20
DE68929413D1 (de) 2002-08-08
US4940618A (en) 1990-07-10
DE68929413T2 (de) 2002-10-31
ES2097738T3 (es) 1997-04-16
DE68927751D1 (de) 1997-03-20
HK1000262A1 (en) 1998-02-13

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