JPH0544737B2 - - Google Patents

Info

Publication number
JPH0544737B2
JPH0544737B2 JP59031722A JP3172284A JPH0544737B2 JP H0544737 B2 JPH0544737 B2 JP H0544737B2 JP 59031722 A JP59031722 A JP 59031722A JP 3172284 A JP3172284 A JP 3172284A JP H0544737 B2 JPH0544737 B2 JP H0544737B2
Authority
JP
Japan
Prior art keywords
spacer layer
refractive index
substrate
layer
thickness
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
JP59031722A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60177447A (ja
Inventor
Masaki Ito
Katsuji Nakagawa
Sotaro Edokoro
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Original Assignee
Nippon Electric Co Ltd
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 Nippon Electric Co Ltd filed Critical Nippon Electric Co Ltd
Priority to JP59031722A priority Critical patent/JPS60177447A/ja
Publication of JPS60177447A publication Critical patent/JPS60177447A/ja
Publication of JPH0544737B2 publication Critical patent/JPH0544737B2/ja
Granted legal-status Critical Current

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
    • 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

Landscapes

  • Optical Record Carriers And Manufacture Thereof (AREA)
JP59031722A 1984-02-22 1984-02-22 光学記録媒体 Granted JPS60177447A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59031722A JPS60177447A (ja) 1984-02-22 1984-02-22 光学記録媒体

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59031722A JPS60177447A (ja) 1984-02-22 1984-02-22 光学記録媒体

Publications (2)

Publication Number Publication Date
JPS60177447A JPS60177447A (ja) 1985-09-11
JPH0544737B2 true JPH0544737B2 (enrdf_load_html_response) 1993-07-07

Family

ID=12338934

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59031722A Granted JPS60177447A (ja) 1984-02-22 1984-02-22 光学記録媒体

Country Status (1)

Country Link
JP (1) JPS60177447A (enrdf_load_html_response)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61267949A (ja) * 1984-11-30 1986-11-27 Nec Corp 光情報記録媒体
JP2521324B2 (ja) * 1988-04-26 1996-08-07 旭化成工業株式会社 光記録媒体の製造方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5956240A (ja) * 1982-09-27 1984-03-31 Canon Inc 光磁気記録媒体

Also Published As

Publication number Publication date
JPS60177447A (ja) 1985-09-11

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