JPS6346881B2 - - Google Patents

Info

Publication number
JPS6346881B2
JPS6346881B2 JP56014685A JP1468581A JPS6346881B2 JP S6346881 B2 JPS6346881 B2 JP S6346881B2 JP 56014685 A JP56014685 A JP 56014685A JP 1468581 A JP1468581 A JP 1468581A JP S6346881 B2 JPS6346881 B2 JP S6346881B2
Authority
JP
Japan
Prior art keywords
disk
master disk
master
duplicate
ultraviolet
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
Application number
JP56014685A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57130203A (en
Inventor
Yasuhiro Ishii
Osamu Oota
Masahiro Higuchi
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.)
Sanyo Electric Co Ltd
Original Assignee
Sanyo Electric 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 Sanyo Electric Co Ltd filed Critical Sanyo Electric Co Ltd
Priority to JP1468581A priority Critical patent/JPS57130203A/ja
Publication of JPS57130203A publication Critical patent/JPS57130203A/ja
Publication of JPS6346881B2 publication Critical patent/JPS6346881B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Manufacturing Optical Record Carriers (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
JP1468581A 1981-02-02 1981-02-02 Master disk Granted JPS57130203A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1468581A JPS57130203A (en) 1981-02-02 1981-02-02 Master disk

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1468581A JPS57130203A (en) 1981-02-02 1981-02-02 Master disk

Publications (2)

Publication Number Publication Date
JPS57130203A JPS57130203A (en) 1982-08-12
JPS6346881B2 true JPS6346881B2 (enExample) 1988-09-19

Family

ID=11868055

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1468581A Granted JPS57130203A (en) 1981-02-02 1981-02-02 Master disk

Country Status (1)

Country Link
JP (1) JPS57130203A (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5112025A (en) * 1990-02-22 1992-05-12 Tdk Corporation Molds having wear resistant release coatings

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5810763B2 (ja) * 1976-03-29 1983-02-28 コ−ド株式会社 情報記憶体用スタンパ−処理方法
NL7804036A (nl) * 1978-04-17 1979-10-19 Philips Nv Optisch uitleesbare informatieschijf.

Also Published As

Publication number Publication date
JPS57130203A (en) 1982-08-12

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