KR960019102A - 다층 광 기록 장치 - Google Patents

다층 광 기록 장치 Download PDF

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Publication number
KR960019102A
KR960019102A KR1019940029603A KR19940029603A KR960019102A KR 960019102 A KR960019102 A KR 960019102A KR 1019940029603 A KR1019940029603 A KR 1019940029603A KR 19940029603 A KR19940029603 A KR 19940029603A KR 960019102 A KR960019102 A KR 960019102A
Authority
KR
South Korea
Prior art keywords
multilayer optical
optical recording
recording device
recording apparatus
refractive index
Prior art date
Application number
KR1019940029603A
Other languages
English (en)
Other versions
KR0165299B1 (ko
Inventor
신세균
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
Priority to KR1019940029603A priority Critical patent/KR0165299B1/ko
Priority to US08/539,741 priority patent/US5645908A/en
Priority to NL1001413A priority patent/NL1001413C2/nl
Priority to CN95118494A priority patent/CN1085875C/zh
Publication of KR960019102A publication Critical patent/KR960019102A/ko
Application granted granted Critical
Publication of KR0165299B1 publication Critical patent/KR0165299B1/ko

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Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62—Record carriers characterised by the selection of the material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/02—Physical, chemical or physicochemical properties
    • B32B7/023—Optical properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • 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
    • G11B7/252—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
    • G11B7/257—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 having properties involved in recording or reproduction, e.g. optical interference layers or sensitising layers or dielectric layers, which are protecting the recording 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
    • G11B7/241—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
    • G11B7/258—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 reflective layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/20—Properties of the layers or laminate having particular electrical or magnetic properties, e.g. piezoelectric
    • B32B2307/204—Di-electric
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/40—Properties of the layers or laminate having particular optical properties
    • B32B2307/416—Reflective
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2429/00—Carriers for sound or information
    • B32B2429/02—Records or 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
    • 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
    • G11B7/253—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 substrates
    • G11B7/2533—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 substrates comprising resins
    • 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
    • G11B7/253—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 substrates
    • G11B7/2533—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 substrates comprising resins
    • G11B7/2534—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 substrates comprising resins polycarbonates [PC]
    • 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
    • G11B7/254—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 protective topcoat 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
    • G11B7/241—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
    • 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
    • Y10T428/21—Circular sheet or circular blank
    • 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

  • Optical Record Carriers And Manufacture Thereof (AREA)

Abstract

다층 광 기록 장치가 개시되어 있다. 다층 광 정보 기록 장치에 있어서 서로 다른 광학적 반사 특성을 가지며 광학적으로 판독 가능한 정보를 포함하는 다수개의 반사층들 중 광입사면에 가까운 제1반사층이 굴절율이 서로 다른 2층의 유전체층으로 형성된 것을 특징으로 하는 다층 광 기록 장치를 제공한다.
본 발명에 의하면, 굴절율 차가 큰 두층의 유전체층을 제1반사막으로 사용함으로써, 제1반사막의 반사율이 향상되고, 구조가 간단하며, 정보 저장 용량의 증가된 광 디스크를 얻을 수 있다.

Description

다층 광 기록장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제4도는 본 발명에 의한 광 디스크 구조의 일예를 도시한 개략도,
제5도는 본 발명의 이해를 돕기 위한 적층 구조를 도시한 단면도.

Claims (5)

  1. 다층 광 정보 기록 장치에 있어서, 서로 다른 광학적 반사 특성을 가지며 광학적으로 판독 가능한 정보를 포함하는 다수개의 반사층들 중 광입사면에 가까운 제1반사층은 굴절율이 서로 다른 2층의 유전체층으로 형성된 것을 특징으로 하는 다층 광 기록 장치.
  2. 제1항에 있어서, 상기 2층의 유전체층 중에서 기판에 가까운 제1유전체층이 또 하나의 제2유전체층보다 고굴절율의 재료로 형성된 것을 특징으로 하는 다층 광 기록 장치.
  3. 제2항에 있어서, 상기 제1유전체층의 굴절율은 2.2 보다 큰 것을 특징으로 하는 다층 광 기록 장치.
  4. 제2항에 있어서, 상기 제2유전체층의 굴절율은 1.3 보다 작은 것을 특징으로 하는 다층 광 기록 장치.
  5. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019940029603A 1994-11-11 1994-11-11 다층 광 기록 디스크 KR0165299B1 (ko)

Priority Applications (4)

Application Number Priority Date Filing Date Title
KR1019940029603A KR0165299B1 (ko) 1994-11-11 1994-11-11 다층 광 기록 디스크
US08/539,741 US5645908A (en) 1994-11-11 1995-10-05 Multi-layer optical recording device
NL1001413A NL1001413C2 (nl) 1994-11-11 1995-10-12 Optisch meerlaagsregistratiemedium.
CN95118494A CN1085875C (zh) 1994-11-11 1995-10-13 多层光学记录装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019940029603A KR0165299B1 (ko) 1994-11-11 1994-11-11 다층 광 기록 디스크

Publications (2)

Publication Number Publication Date
KR960019102A true KR960019102A (ko) 1996-06-17
KR0165299B1 KR0165299B1 (ko) 1999-03-20

Family

ID=19397680

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019940029603A KR0165299B1 (ko) 1994-11-11 1994-11-11 다층 광 기록 디스크

Country Status (4)

Country Link
US (1) US5645908A (ko)
KR (1) KR0165299B1 (ko)
CN (1) CN1085875C (ko)
NL (1) NL1001413C2 (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7057252B2 (en) 2003-05-09 2006-06-06 Matsushita Electric Industrial Co., Ltd. Optical information recording medium

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6160787A (en) * 1996-01-11 2000-12-12 Wea Manufacturing, Inc. Multiple layer optical recording medium for use with two different wavelength laser beams
JPH09259470A (ja) * 1996-03-21 1997-10-03 Toshiba Corp 貼合せ情報記録媒体
DE19902632C3 (de) * 1998-03-24 2002-05-23 Fred Johannsen Scheibenförmiger Informationsträger hoher Speicherdichte
US6191384B1 (en) 1998-05-05 2001-02-20 Tapematic S.P.A. Apparatus for trimming dye coated on a recordable disc substrate and related method
TW468179B (en) * 1998-08-05 2001-12-11 Matsushita Electric Ind Co Ltd Optical recording medium
JP2000353338A (ja) * 1999-06-10 2000-12-19 Sony Corp 光ディスク及び光ディスク再生装置
JP4080741B2 (ja) * 2001-12-27 2008-04-23 Ｔｄｋ株式会社 多層光記録媒体の製造方法および多層光記録媒体
JP4412101B2 (ja) * 2004-08-03 2010-02-10 Ｔｄｋ株式会社 光記録媒体
US20080032100A1 (en) * 2004-09-24 2008-02-07 Matsushita Electric Industrial Co., Ltd. Multilayer Information Recording Medium and Production Method Therefor, and Photosensitive Adhesive Sheet
JP2006099905A (ja) * 2004-09-30 2006-04-13 Toshiba Corp 光記録媒体
US20070007357A1 (en) * 2005-07-08 2007-01-11 Oc Oerlikon Balzers Ag Wavelength-selective metal dielectric filter and its application to optical discs
JP2007323795A (ja) * 2006-06-05 2007-12-13 Taiyo Yuden Co Ltd 光情報記録媒体およびその表示方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7803069A (nl) * 1978-03-22 1979-09-25 Philips Nv Meerlaags informatieschijf.
JPS61287155A (ja) * 1985-06-14 1986-12-17 Hitachi Ltd 半導体装置及び半導体装置の製造方法
JPH0823941B2 (ja) * 1988-11-08 1996-03-06 パイオニア株式会社 光学式情報記録担体及びその製造方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7057252B2 (en) 2003-05-09 2006-06-06 Matsushita Electric Industrial Co., Ltd. Optical information recording medium

Also Published As

Publication number Publication date
CN1131315A (zh) 1996-09-18
CN1085875C (zh) 2002-05-29
KR0165299B1 (ko) 1999-03-20
NL1001413A1 (nl) 1996-05-13
US5645908A (en) 1997-07-08
NL1001413C2 (nl) 1998-10-20

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