JPH0348580B2 - - Google Patents

Info

Publication number
JPH0348580B2
JPH0348580B2 JP59082006A JP8200684A JPH0348580B2 JP H0348580 B2 JPH0348580 B2 JP H0348580B2 JP 59082006 A JP59082006 A JP 59082006A JP 8200684 A JP8200684 A JP 8200684A JP H0348580 B2 JPH0348580 B2 JP H0348580B2
Authority
JP
Japan
Prior art keywords
information
layer
glass substrate
oxide film
aluminum oxide
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
JP59082006A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60226041A (ja
Inventor
Takao Matsudaira
Hisanori Suzuki
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.)
Hoya Corp
Original Assignee
Hoya Corp
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 Hoya Corp filed Critical Hoya Corp
Priority to JP59082006A priority Critical patent/JPS60226041A/ja
Publication of JPS60226041A publication Critical patent/JPS60226041A/ja
Publication of JPH0348580B2 publication Critical patent/JPH0348580B2/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
    • G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
    • G11B23/0057—Intermediate mediums, i.e. mediums provided with an information structure not specific to the method of reproducing or duplication such as matrixes for mechanical pressing of an information structure ; record carriers having a relief information structure provided with or included in layers not specific for a single reproducing method; apparatus or processes specially adapted for their manufacture

Landscapes

  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Manufacturing Optical Record Carriers (AREA)
JP59082006A 1984-04-25 1984-04-25 情報ガラス基板の製造方法 Granted JPS60226041A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59082006A JPS60226041A (ja) 1984-04-25 1984-04-25 情報ガラス基板の製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59082006A JPS60226041A (ja) 1984-04-25 1984-04-25 情報ガラス基板の製造方法

Publications (2)

Publication Number Publication Date
JPS60226041A JPS60226041A (ja) 1985-11-11
JPH0348580B2 true JPH0348580B2 (en, 2012) 1991-07-24

Family

ID=13762436

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59082006A Granted JPS60226041A (ja) 1984-04-25 1984-04-25 情報ガラス基板の製造方法

Country Status (1)

Country Link
JP (1) JPS60226041A (en, 2012)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62164241A (ja) * 1986-01-16 1987-07-20 Toshiba Corp 記録媒体の製造方法
JP2658023B2 (ja) * 1986-08-20 1997-09-30 松下電器産業株式会社 平板状情報記録担体の原盤作成方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54107705A (en) * 1978-02-10 1979-08-23 Pioneer Electronic Corp Method of fabricating information recording carrier
JPS55122242A (en) * 1979-03-07 1980-09-19 Fujitsu Ltd Substrate for optical disc
JPS593731A (ja) * 1982-06-29 1984-01-10 Fujitsu Ltd 情報原盤の製造方法

Also Published As

Publication number Publication date
JPS60226041A (ja) 1985-11-11

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