JPS5299804A - Production of orginal disc for information recording medium - Google Patents

Production of orginal disc for information recording medium

Info

Publication number
JPS5299804A
JPS5299804A JP1631676A JP1631676A JPS5299804A JP S5299804 A JPS5299804 A JP S5299804A JP 1631676 A JP1631676 A JP 1631676A JP 1631676 A JP1631676 A JP 1631676A JP S5299804 A JPS5299804 A JP S5299804A
Authority
JP
Japan
Prior art keywords
orginal
disc
production
recording medium
information recording
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.)
Granted
Application number
JP1631676A
Other languages
Japanese (ja)
Other versions
JPS5821337B2 (en
Inventor
Hideaki Takehara
Hifumi Kurisu
Takashi Tsurukubo
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.)
Victor Company of Japan Ltd
Original Assignee
Victor Company of Japan 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 Victor Company of Japan Ltd filed Critical Victor Company of Japan Ltd
Priority to JP51016316A priority Critical patent/JPS5821337B2/en
Publication of JPS5299804A publication Critical patent/JPS5299804A/en
Publication of JPS5821337B2 publication Critical patent/JPS5821337B2/en
Expired 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

  • Manufacturing Optical Record Carriers (AREA)

Abstract

PURPOSE:To ensure stable recording by forming a guide groove through a spiral scanning of a beam and by writing information in the guide groove.
JP51016316A 1976-02-17 1976-02-17 Production method of information recording medium master disc Expired JPS5821337B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP51016316A JPS5821337B2 (en) 1976-02-17 1976-02-17 Production method of information recording medium master disc

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP51016316A JPS5821337B2 (en) 1976-02-17 1976-02-17 Production method of information recording medium master disc

Publications (2)

Publication Number Publication Date
JPS5299804A true JPS5299804A (en) 1977-08-22
JPS5821337B2 JPS5821337B2 (en) 1983-04-28

Family

ID=11913092

Family Applications (1)

Application Number Title Priority Date Filing Date
JP51016316A Expired JPS5821337B2 (en) 1976-02-17 1976-02-17 Production method of information recording medium master disc

Country Status (1)

Country Link
JP (1) JPS5821337B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56119904A (en) * 1980-02-04 1981-09-19 Rca Corp Method of copying vortex line groove pattern

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63202337U (en) * 1987-06-20 1988-12-27
JPH0313845U (en) * 1989-06-28 1991-02-13
JPH04115430U (en) * 1991-03-28 1992-10-13 大塚化学株式会社 Storage furniture with hidden storage

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56119904A (en) * 1980-02-04 1981-09-19 Rca Corp Method of copying vortex line groove pattern

Also Published As

Publication number Publication date
JPS5821337B2 (en) 1983-04-28

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