JPS5233702A - Method of moulding high density recording disk - Google Patents

Method of moulding high density recording disk

Info

Publication number
JPS5233702A
JPS5233702A JP11030575A JP11030575A JPS5233702A JP S5233702 A JPS5233702 A JP S5233702A JP 11030575 A JP11030575 A JP 11030575A JP 11030575 A JP11030575 A JP 11030575A JP S5233702 A JPS5233702 A JP S5233702A
Authority
JP
Japan
Prior art keywords
recording disk
high density
density recording
moulding high
disk
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
JP11030575A
Other languages
Japanese (ja)
Other versions
JPS5622063B2 (en
Inventor
Yasuhiro Maki
Isao Iida
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.)
IKEGAMI KAKEN KOGYO KK
Pioneer Corp
Original Assignee
IKEGAMI KAKEN KOGYO KK
Pioneer Electronic 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 IKEGAMI KAKEN KOGYO KK, Pioneer Electronic Corp filed Critical IKEGAMI KAKEN KOGYO KK
Priority to JP11030575A priority Critical patent/JPS5233702A/en
Publication of JPS5233702A publication Critical patent/JPS5233702A/en
Publication of JPS5622063B2 publication Critical patent/JPS5622063B2/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

  • Manufacturing Optical Record Carriers (AREA)

Abstract

PURPOSE:To mould the recording disk with high recording denwity with high geometrical accuracy, by packing the base material of the disk after evaporating the protection layer and metallic layer on the mould through mouldreleasing agent.
JP11030575A 1975-09-11 1975-09-11 Method of moulding high density recording disk Granted JPS5233702A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11030575A JPS5233702A (en) 1975-09-11 1975-09-11 Method of moulding high density recording disk

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11030575A JPS5233702A (en) 1975-09-11 1975-09-11 Method of moulding high density recording disk

Publications (2)

Publication Number Publication Date
JPS5233702A true JPS5233702A (en) 1977-03-15
JPS5622063B2 JPS5622063B2 (en) 1981-05-22

Family

ID=14532320

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11030575A Granted JPS5233702A (en) 1975-09-11 1975-09-11 Method of moulding high density recording disk

Country Status (1)

Country Link
JP (1) JPS5233702A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS578932A (en) * 1980-06-20 1982-01-18 Toppan Printing Co Ltd Manufacture of high-density information recording carrier

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6235562U (en) * 1985-08-22 1987-03-02

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49103846A (en) * 1973-02-08 1974-10-01

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49103846A (en) * 1973-02-08 1974-10-01

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS578932A (en) * 1980-06-20 1982-01-18 Toppan Printing Co Ltd Manufacture of high-density information recording carrier

Also Published As

Publication number Publication date
JPS5622063B2 (en) 1981-05-22

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