JPH0422289B2 - - Google Patents

Info

Publication number
JPH0422289B2
JPH0422289B2 JP61258205A JP25820586A JPH0422289B2 JP H0422289 B2 JPH0422289 B2 JP H0422289B2 JP 61258205 A JP61258205 A JP 61258205A JP 25820586 A JP25820586 A JP 25820586A JP H0422289 B2 JPH0422289 B2 JP H0422289B2
Authority
JP
Japan
Prior art keywords
cellulose acetate
chemically strengthened
strengthened glass
thickness
substrate
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 - Lifetime
Application number
JP61258205A
Other languages
English (en)
Japanese (ja)
Other versions
JPS62143243A (ja
Inventor
Motoyasu Terao
Shinkichi Horigome
Kazuo Shigematsu
Yoshinori Myamura
Seiji Yonezawa
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP61258205A priority Critical patent/JPS62143243A/ja
Publication of JPS62143243A publication Critical patent/JPS62143243A/ja
Publication of JPH0422289B2 publication Critical patent/JPH0422289B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Optical Record Carriers And Manufacture Thereof (AREA)
JP61258205A 1986-10-31 1986-10-31 光ディスク Granted JPS62143243A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP61258205A JPS62143243A (ja) 1986-10-31 1986-10-31 光ディスク

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61258205A JPS62143243A (ja) 1986-10-31 1986-10-31 光ディスク

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP58204824A Division JPS5998331A (ja) 1983-11-02 1983-11-02 光デイスク用基板

Publications (2)

Publication Number Publication Date
JPS62143243A JPS62143243A (ja) 1987-06-26
JPH0422289B2 true JPH0422289B2 (enExample) 1992-04-16

Family

ID=17316969

Family Applications (1)

Application Number Title Priority Date Filing Date
JP61258205A Granted JPS62143243A (ja) 1986-10-31 1986-10-31 光ディスク

Country Status (1)

Country Link
JP (1) JPS62143243A (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02310834A (ja) * 1989-05-24 1990-12-26 Nec Corp 光記憶体
AUPS177202A0 (en) * 2002-04-16 2002-05-23 Diakyne Pty Ltd Multi-element screening of trace elements

Also Published As

Publication number Publication date
JPS62143243A (ja) 1987-06-26

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