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JPS57105829A - Recording storage system for long period - Google Patents

Recording storage system for long period

Info

Publication number
JPS57105829A
JPS57105829A JP18150180A JP18150180A JPS57105829A JP S57105829 A JPS57105829 A JP S57105829A JP 18150180 A JP18150180 A JP 18150180A JP 18150180 A JP18150180 A JP 18150180A JP S57105829 A JPS57105829 A JP S57105829A
Authority
JP
Japan
Prior art keywords
long period
storage system
photoresist
signal
recording storage
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.)
Pending
Application number
JP18150180A
Other languages
Japanese (ja)
Inventor
Shiro Okamura
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP18150180A priority Critical patent/JPS57105829A/en
Publication of JPS57105829A publication Critical patent/JPS57105829A/en
Pending 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 Recording Or Reproduction (AREA)

Abstract

PURPOSE:To enable storage of information for a long period, by detecting signals from a metallic stamper directly and outputting its complements. CONSTITUTION:A part where a master coating a photoresistor 21 on a glass plate 20 is exposed and developed with laser modulated with a signal, is shown in (a). Since the thickness of the photoresist is selected so that the depth of grooves of the exposure section of the photoresist 21 is set to 1/4 of the wavelength of the laser, the light irradiating the groove at reproduction is extinguished to produce a signal. Normally, Ni is electroformed as shown in 25 on this master as (b) and a stamper is formed by peeling off it as C. A reflection film 26 made of platinum, for example, as shown in (e). is deformed so as to be suitable for storage for a long time.
JP18150180A 1980-12-22 1980-12-22 Recording storage system for long period Pending JPS57105829A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18150180A JPS57105829A (en) 1980-12-22 1980-12-22 Recording storage system for long period

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18150180A JPS57105829A (en) 1980-12-22 1980-12-22 Recording storage system for long period

Publications (1)

Publication Number Publication Date
JPS57105829A true JPS57105829A (en) 1982-07-01

Family

ID=16101855

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18150180A Pending JPS57105829A (en) 1980-12-22 1980-12-22 Recording storage system for long period

Country Status (1)

Country Link
JP (1) JPS57105829A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01142077A (en) * 1987-11-27 1989-06-02 Toppan Printing Co Ltd Method for preserving stamper
US20110117502A1 (en) * 2000-10-03 2011-05-19 Panasonic Corporation Method for producing multi-layer optical disk

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01142077A (en) * 1987-11-27 1989-06-02 Toppan Printing Co Ltd Method for preserving stamper
US20110117502A1 (en) * 2000-10-03 2011-05-19 Panasonic Corporation Method for producing multi-layer optical disk

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