JPS5788503A - Disc-shaped information recording carrier - Google Patents

Disc-shaped information recording carrier

Info

Publication number
JPS5788503A
JPS5788503A JP55163894A JP16389480A JPS5788503A JP S5788503 A JPS5788503 A JP S5788503A JP 55163894 A JP55163894 A JP 55163894A JP 16389480 A JP16389480 A JP 16389480A JP S5788503 A JPS5788503 A JP S5788503A
Authority
JP
Japan
Prior art keywords
layer
stamper
disc
resin
replica
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
JP55163894A
Other languages
English (en)
Japanese (ja)
Other versions
JPH024042B2 (enrdf_load_stackoverflow
Inventor
Toshiaki Kashihara
Yoshihiro Okino
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP55163894A priority Critical patent/JPS5788503A/ja
Publication of JPS5788503A publication Critical patent/JPS5788503A/ja
Publication of JPH024042B2 publication Critical patent/JPH024042B2/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

  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
JP55163894A 1980-11-20 1980-11-20 Disc-shaped information recording carrier Granted JPS5788503A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55163894A JPS5788503A (en) 1980-11-20 1980-11-20 Disc-shaped information recording carrier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55163894A JPS5788503A (en) 1980-11-20 1980-11-20 Disc-shaped information recording carrier

Publications (2)

Publication Number Publication Date
JPS5788503A true JPS5788503A (en) 1982-06-02
JPH024042B2 JPH024042B2 (enrdf_load_stackoverflow) 1990-01-25

Family

ID=15782822

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55163894A Granted JPS5788503A (en) 1980-11-20 1980-11-20 Disc-shaped information recording carrier

Country Status (1)

Country Link
JP (1) JPS5788503A (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4571314A (en) * 1984-07-04 1986-02-18 Sumitomo Bakelite Company Limited Process for producing substrate for optical recording medium
JPS6192451A (ja) * 1984-10-11 1986-05-10 Sumitomo Bakelite Co Ltd 光学的記録媒体用基板
US4673602A (en) * 1984-06-13 1987-06-16 Sumitomo Bakelite Company Limited Composite substrate plate for magnetic or optical disk and process for production thereof

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5386756A (en) * 1976-10-15 1978-07-31 Philips Nv Plastic information carrier duplicating process and plastic record carrier and molding resin
JPS54130902A (en) * 1978-03-22 1979-10-11 Philips Nv Multilayer information disk

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5386756A (en) * 1976-10-15 1978-07-31 Philips Nv Plastic information carrier duplicating process and plastic record carrier and molding resin
JPS54130902A (en) * 1978-03-22 1979-10-11 Philips Nv Multilayer information disk

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4673602A (en) * 1984-06-13 1987-06-16 Sumitomo Bakelite Company Limited Composite substrate plate for magnetic or optical disk and process for production thereof
US4571314A (en) * 1984-07-04 1986-02-18 Sumitomo Bakelite Company Limited Process for producing substrate for optical recording medium
JPS6192451A (ja) * 1984-10-11 1986-05-10 Sumitomo Bakelite Co Ltd 光学的記録媒体用基板

Also Published As

Publication number Publication date
JPH024042B2 (enrdf_load_stackoverflow) 1990-01-25

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