KR950701757A - 소거가능한 광기록매체(erasable optical recording media) - Google Patents

소거가능한 광기록매체(erasable optical recording media)

Info

Publication number
KR950701757A
KR950701757A KR1019940704185A KR19940704185A KR950701757A KR 950701757 A KR950701757 A KR 950701757A KR 1019940704185 A KR1019940704185 A KR 1019940704185A KR 19940704185 A KR19940704185 A KR 19940704185A KR 950701757 A KR950701757 A KR 950701757A
Authority
KR
South Korea
Prior art keywords
thin film
optical recording
film layer
laser
polymer thin
Prior art date
Application number
KR1019940704185A
Other languages
English (en)
Other versions
KR100201072B1 (ko
Inventor
딘 비. 파킨슨
엘프리드 파킨슨
Original Assignee
김광호
삼성전자 주식회사
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 김광호, 삼성전자 주식회사 filed Critical 김광호
Publication of KR950701757A publication Critical patent/KR950701757A/ko
Application granted granted Critical
Publication of KR100201072B1 publication Critical patent/KR100201072B1/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
    • 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
    • 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
    • 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
    • G11B7/245—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 a polymeric component
    • 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
    • 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
    • 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

Abstract

광기록구조체가 열적으로 안정한 기판과 그 기판 위에 적층된, 폴리(에스테르-아미드)를 포함하는 폴리머층을 포함하고 있다. 정보를 기록하거나 소거하기 위해 레이저빔이 적층된 폴리머층에 입사된다. 이 기록구조체는 저장시 우수한 치수안정성과 기계적인 안정성을 가지며, 정보가 쉽게 간편하게 기록되고 용이하고 완전하게 소거되는 능력을 가지고 있다.

Description

소거가능한 광기록매체(ERASABLE OPTICAL RECORDING MEDIA)
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (20)

  1. 열적으로 안정한 기판과 상기 기판 위에 코팅되어 있는, 비스-옥사졸린과 디아시드를 반응시킴으로써 얻어지는 폴리(에스테르-아미드)를 포함하고 안정하고 소거가능한 폴리머 기록매체층을 포함하는, 미리 설정된 주파수의 광을 제공하는 기록레이저에 이용하기 위한 광기록구조체.
  2. 제1항에 있어서, 상기 기판 상에 코팅되는 상기 폴리머층이 기록레이저의 주파수에서 흡수성이 있는 레이저-감수성 염료를 더 포함하고 있으며, 상기 염료 물질은 플루오레신, 폴리메틴 또는 트리페닐 메탄 염료를 포함하는 것을 특징으로 하는 광기록구조체.
  3. 제1항에 있어서, 상기 폴리머층의 두께가 40-500nm 범위인 것을 특징으로 하는 광기록구조체.
  4. 제1항에 있어서, 상기 폴리(에스테르-아미드)가 다음과 같은 구조식을 가지며,
    여기에서, R1및 R3은 적어도 두개의 탄소를 가지고 있는 알킬이고, R2는 수소 또는 적어도 하나의 탄소를 가지고 있는 알킬이며, n≥1, m≥1 및 O≥1인 것을 특징으로 하는 광기록구조체.
  5. 제4항에 있어서, 상기 O가 20 이상 (O≥20)인 것을 특징으로 하는 광기록구조체.
  6. 제1항에 있어서, 소거율이 105-107비트/초인 것을 특징으로 하는 광기록구조체.
  7. 비스-옥사졸린과 디아시드를 반응시킴으로써 얻어지는 폴리(에스테르-아미드)를 포함하고 있는 폴리머박막층을 기판상에 적층하고, 레이저로부터 방사되는 광빔으로 상기 폴리머 박막층을 조사하여 원하는 정보에 따라 폴리머 박막층에 피트의 패턴을 형성하는 단계를 포함하는 광기록구조체의 제조방법.
  8. 제7항에 있어서, 상기 폴리(에스테르-아미드)가 약 5,000-70,000범위의 평균분자량을 가지는 것을 특징으로 하는 제조방법.
  9. 제7항에 있어서, 상기 폴리머층이 기록레이저의 주파수에서 흡수성이 있는 레이저감수성 염료를 더 포함하고 있으며, 상기 염료 물질은 플루오레신, 폴리메틴 도는 트리페닐 메탄 염료를 포함하는 것을 특징으로 하는 제조방법.
  10. 제9항에 있어서, 상리 레이저감수성 염료 물질이 400-900nm 범위의 주파수에서 광을 흡수하는 것을 특징으로 하는 제조방법.
  11. 제7항에 있어서, 상기 폴리머박막층의 두께가 40-500nm 범위인 것을 특징으로 하는 제조방법.
  12. 제7항에 있어서, 상기 폴리머박막층이 스핀코팅에 의해 형성되는 것을 특징으로 하는 제조방법.
  13. 제7항에 있어서, 상기 디아시드가 아디프산을 포함하는 것을 특징으로 하는 제조방법.
  14. 제7항에 있어서, 상기 폴리머 박막층에 형성되는 상기 피트의 깊이가 40-250nm 범위인 것을 특징으로 하는 제조방법.
  15. 제7항에 있어서, 피트의 패턴을 제거하도록 상기 폴리머 박막층을 가열함으로써 정보가 소거되는 것을 특징으로 하는 제조방법.
  16. 제15항에 있어서, 상기 가열이 120-150℃의 온도범위에서 설치되는 것을 특징으로 하는 제조방법.
  17. 제15항에 있어서, 폴리머 박막층을 레이저로부터 방상되는 광빔으로 조사함으로써 피트의 패턴이 재편성되는 것을 특징으로 하는 제조방법.
  18. 제7항에 있어서, 상기 폴리(에스테르-아미드)가 다음과 같은 구조식을 가지며,
    여기에서, R1및 R3은 적어도 두 개의 탄소를 가지고 있는 알킬이고, R2는 수소 또는 적어도 하나의 탄소를 가지고 있는 알킬이며, n≥1, m≥1 및 O≥1인 것을 특징으로 하는 제조방법.
  19. 제18항에 있어서, 상기 O가 20 이상(O≥20)인 것을 특징으로 하는 제조방법.
  20. 제15항에 있어서, 소거율이 약 105-107비트/초인 것을 특징으로 하는 제조방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019940704185A 1993-03-29 1994-02-18 소거가능한 광기록매체 KR100201072B1 (ko)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US08/038,368 1993-03-29
US8/038,368 1993-03-29
US08/038,368 US5326660A (en) 1993-03-29 1993-03-29 Erasable optical recording media
PCT/KR1994/000010 WO1994023429A1 (en) 1993-03-29 1994-02-18 Erasable optical recording media

Publications (2)

Publication Number Publication Date
KR950701757A true KR950701757A (ko) 1995-04-28
KR100201072B1 KR100201072B1 (ko) 1999-06-15

Family

ID=21899540

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019940704185A KR100201072B1 (ko) 1993-03-29 1994-02-18 소거가능한 광기록매체

Country Status (7)

Country Link
US (1) US5326660A (ko)
EP (1) EP0642691B1 (ko)
JP (1) JP3369182B2 (ko)
KR (1) KR100201072B1 (ko)
CA (1) CA2129233C (ko)
DE (1) DE69424836T2 (ko)
WO (1) WO1994023429A1 (ko)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6017618A (en) * 1997-10-29 2000-01-25 International Business Machines Corporation Ultra high density storage media and method thereof
US6873560B2 (en) * 2002-09-23 2005-03-29 Paul D. Pavlichek Optical memory device

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3476712A (en) * 1965-09-30 1969-11-04 Sumitomo Chemical Co Process for producing novel polyester amides
US4270130A (en) * 1979-01-08 1981-05-26 Eastman Kodak Company Thermal deformation record device with bleachable dye
US4478782A (en) * 1982-06-21 1984-10-23 Celanese Corporation Erasable recording medium comprising a dimer acid polyamide resin
JPS60161195A (ja) * 1984-01-31 1985-08-22 Nec Corp 情報書き込みおよび消去方式
JPH0717092B2 (ja) * 1985-02-04 1995-03-01 ヘキスト・セラニ−ズ・コ−ポレ−ション 有機大環状発色団を含有する光情報記憶媒体
US4725525A (en) * 1985-02-04 1988-02-16 Hoebbst Celanese Corporation Recording information media comprising chromophores
US4666819A (en) * 1985-03-11 1987-05-19 Minnesota Mining And Manufacturing Company Optical information storage based on polymeric dyes
US4728724A (en) * 1985-04-08 1988-03-01 Hoechst Celanese Corporation Optical data storage medium comprising a chromophore/polymer information layer
US4644052A (en) * 1985-08-15 1987-02-17 Ashland Oil, Inc. Reaction of bis-oxazoline with polycarboxylic acid catalyzed by alkali or alkaline earth metal cationic complex
DE3603266A1 (de) * 1986-02-04 1987-08-06 Roehm Gmbh Vorrichtung zur reversibeln, optischen datenspeicherung (ii)
US4901304A (en) * 1986-10-08 1990-02-13 Optical Data, Inc. Erasable optical data storage medium having a zoned integral recording layer
US4977064A (en) * 1987-05-01 1990-12-11 Mitsui Toatsu Chemicals, Incorporated Optical recording medium and process for fabricating the same
EP0379276B1 (en) * 1989-01-17 1994-11-30 Teijin Limited Erasable optical recording medium and method for writing, reading and/or erasing thereof

Also Published As

Publication number Publication date
DE69424836D1 (de) 2000-07-13
EP0642691A1 (en) 1995-03-15
JP3369182B2 (ja) 2003-01-20
WO1994023429A1 (en) 1994-10-13
EP0642691B1 (en) 2000-06-07
DE69424836T2 (de) 2000-11-02
US5326660A (en) 1994-07-05
CA2129233A1 (en) 1994-09-30
CA2129233C (en) 2004-06-08
KR100201072B1 (ko) 1999-06-15
JP2001525736A (ja) 2001-12-11

Similar Documents

Publication Publication Date Title
JPS58224793A (ja) 光学記録媒体
US4783393A (en) Dye mixtures and optical recording elements containing same
US4636804A (en) Recording medium comprising a microporous polymer exhibiting enhanced signal to noise ratio
US4857427A (en) Recording medium
Matsui et al. Application of Photochromic S-Dimethylaminoindolylfulgide to Photon-Mode Erasable Optical Memory Media with Non-Destructive Readout Ability Based on Wavelength Dependence of Bleaching Quantum Yield.
KR950701757A (ko) 소거가능한 광기록매체(erasable optical recording media)
US4538252A (en) Light induced capacitance changes in donor polymers (or small molecules) films and its use for information storage in video disks and the like
US6727041B1 (en) Optical recording media
JPH106645A (ja) 光学的記録媒体及び情報記録方法
JPS5981196A (ja) 光記録媒体
JPH04101884A (ja) 書換え可能な有機光記録媒体
JP2730196B2 (ja) 光カード
JPH0367251B2 (ko)
JPH0128713B2 (ko)
JPH02227285A (ja) 光カード
Shepherd Organic optical storage media for short wavelength systems
KR890016532A (ko) 광기록 매체 및 그 제조방법
JPH0447632B2 (ko)
JP2929638B2 (ja) 光カード
JPH01173446A (ja) 光記録媒体
JPH0872405A (ja) 光記録媒体
JPH05303767A (ja) 書換え可能な光学的記録媒体及び情報の記録方法と消去方法
JPH02187938A (ja) 光記録媒体および光記録再生方法
JPH0676353A (ja) 光記録媒体及びその記録情報消去方法
JPH031339A (ja) 光カード

Legal Events

Date Code Title Description
A201 Request for examination
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20080228

Year of fee payment: 10

LAPS Lapse due to unpaid annual fee