KR910003604A - 광정보 기록 매체 - Google Patents

광정보 기록 매체 Download PDF

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Publication number
KR910003604A
KR910003604A KR1019890010426A KR890010426A KR910003604A KR 910003604 A KR910003604 A KR 910003604A KR 1019890010426 A KR1019890010426 A KR 1019890010426A KR 890010426 A KR890010426 A KR 890010426A KR 910003604 A KR910003604 A KR 910003604A
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KR
South Korea
Prior art keywords
light
layer
information recording
abs
optical information
Prior art date
Application number
KR1019890010426A
Other languages
English (en)
Other versions
KR950005964B1 (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.)
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Publication date
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27566446&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=KR910003604(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from JP63238456A external-priority patent/JPH07105071B2/ja
Priority claimed from JP63239164A external-priority patent/JPH0796337B2/ja
Priority claimed from JP63239167A external-priority patent/JPH0827979B2/ja
Priority claimed from JP63239163A external-priority patent/JPH07105065B2/ja
Priority claimed from JP63239166A external-priority patent/JP2547384B2/ja
Application filed by 가와다 미쓰구, 다이요 유덴 가부시끼가이샤 filed Critical 가와다 미쓰구
Publication of KR910003604A publication Critical patent/KR910003604A/ko
Application granted granted Critical
Publication of KR950005964B1 publication Critical patent/KR950005964B1/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
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/242—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers
    • G11B7/244—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising organic materials only
    • G11B7/246—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising organic materials only containing dyes
    • G11B7/247—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising organic materials only containing dyes methine or polymethine dyes
    • G11B7/2472—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising organic materials only containing dyes methine or polymethine dyes cyanine
    • 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
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/0045—Recording
    • G11B7/00452—Recording involving bubble or bump forming

Landscapes

  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)
  • Holo Graphy (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
  • Manufacturing Optical Record Carriers (AREA)

Abstract

내용 없음.

Description

광정보 기록 매체
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 광정보 기록 매체의 구조의 한 구현예를 도식적으로 묘사한 부분 단면 사시도이다.
제2도는 광기록 이전에 제1도의 광정보 기록 매체의 트랙을 따라 절취한 부분 확대 단면도이다.
제3도는 광기록 이후에 제1도의 광정보 기록 매체의 트랙을 따라 절취한 부분 확대 단면도이다.

Claims (9)

  1. 광투과 기판, 기판 위에 겹쳐져 레이저빔을 흡수하는 광흡수층, 및 광흡수층 위에 겹쳐진 광반사층으로 구성되어 있으며, ρ=nabsdabs/λ로 표시되는 광계수(식중에서, nabs는 광흡수층의 복굴절율의 실수부이며, dabs는 광흡수층의 두께이며, 및 λ는 판독 레이저빔의 파장임.)가이고 광흡수층의 복굴절율이 허수비인 Kabs가 최대한 0.3임을 특징으로 하는 광정보 기록 매체.
  2. 제1항에 있어서, 광흡수층은 시아닌 색소로 구성되어 있으며, 광반사층은 금속 필름으로 제조된 것임을 특징으로 하는 광정보 기록 매체.
  3. 제1항에 있어서, 시아닌 색소는 인도카르보시아닌임을 특징으로 하는 광정보 기록 매체.
  4. 제1, 2 또는 3항에 있어서, 광흡수층은 광흡수층에 의한 레이저빔의 흡수 시에 온도 상승이 일어나고, 100~600℃의 온도에서 기체의 발생과 함께 발열 반응을 이행함을 특징으로 하는 광정보 기록 매체.
  5. 제1∼4항 중 어느 한 항에 있어서, nabs은이며, kabs는임을 특징으로 하는 광정보 기록 매체.
  6. 제1∼5항 중 어느 한 항에 있어서, 광반사 층의 복굴절율의 실수부 nref및 광반사층의 복굴절율의 허수부 kref는의 상관 관계를 충족시킴을 특징으로 하는 광정보 기록 매체.
  7. 제1∼6항 중 어느 한 항에 있어서, 판독 레이저빔의 파장에 투명성인 향상층을 광흡수층 및 광반사층 사이에 배치시킴을 특징으로 하는 광정보 기록 매체.
  8. 제7항에 있어서, 하기식으로 표현되는 광계수 ρ가임을 특징으로 하는 광정보 기록 매체.
    (식중에서, nabs, dabs및 λ는 상기 정의된 바이며, nenh는 향상층의 복굴절율의 실수부이며, denh는 향상층의 두께이다.)
  9. 제1∼8항 중 어느 한 항에 있어서, 기판에 내용매성층을 설치하여 광흡수층의 형성에 사용되는 용매로부터 기판을 보호함을 특징으로 하는 광정보 기록 매체.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019890010426A 1988-07-30 1989-07-22 광정보 기록 매체 KR950005964B1 (ko)

Applications Claiming Priority (16)

Application Number Priority Date Filing Date Title
JP88-191714 1988-07-30
JP19171488 1988-07-30
JP88-214470 1988-08-29
JP21447088 1988-08-29
JP88-238456 1988-09-22
JP63238456A JPH07105071B2 (ja) 1988-09-22 1988-09-22 光情報記録媒体
JP88-239166 1988-09-24
JP88-239167 1988-09-24
JP63239164A JPH0796337B2 (ja) 1988-09-24 1988-09-24 光情報記録媒体
JP89-239166 1988-09-24
JP88-239164 1988-09-24
JP63239167A JPH0827979B2 (ja) 1988-09-24 1988-09-24 光情報記録媒体
JP88-239163 1988-09-24
JP89-239167 1988-09-24
JP63239163A JPH07105065B2 (ja) 1988-09-24 1988-09-24 光情報記録媒体
JP63239166A JP2547384B2 (ja) 1988-09-24 1988-09-24 光情報記録媒体の製造方法

Publications (2)

Publication Number Publication Date
KR910003604A true KR910003604A (ko) 1991-02-27
KR950005964B1 KR950005964B1 (ko) 1995-06-07

Family

ID=27566446

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890010426A KR950005964B1 (ko) 1988-07-30 1989-07-22 광정보 기록 매체

Country Status (14)

Country Link
US (1) US5090009A (ko)
EP (1) EP0353393B2 (ko)
KR (1) KR950005964B1 (ko)
AT (1) ATE125381T1 (ko)
AU (1) AU608158B2 (ko)
CA (1) CA1326710C (ko)
DE (1) DE68923494T3 (ko)
DK (1) DK174000B1 (ko)
ES (1) ES2076942T5 (ko)
FI (1) FI893563A (ko)
HK (1) HK86796A (ko)
MY (1) MY106967A (ko)
PH (1) PH26094A (ko)
PT (1) PT91309B (ko)

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PT91309B (pt) 1995-07-06
KR950005964B1 (ko) 1995-06-07
DK254589D0 (da) 1989-05-25
EP0353393B2 (en) 1999-07-21
PH26094A (en) 1992-02-06
AU3510789A (en) 1990-02-15
ES2076942T5 (es) 2000-01-16
HK86796A (en) 1996-05-24
DE68923494T3 (de) 1999-10-28
MY106967A (en) 1995-08-30
EP0353393B1 (en) 1995-07-19
DE68923494T2 (de) 1996-03-28
DE68923494D1 (de) 1995-08-24
ATE125381T1 (de) 1995-08-15
FI893563A0 (fi) 1989-07-25
ES2076942T3 (es) 1995-11-16
EP0353393A3 (en) 1990-10-03
DK174000B1 (da) 2002-04-02
DK254589A (da) 1990-01-31
FI893563A (fi) 1990-01-31
CA1326710C (en) 1994-02-01
US5090009A (en) 1992-02-18
EP0353393A2 (en) 1990-02-07
AU608158B2 (en) 1991-03-21
PT91309A (pt) 1990-02-08

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