JPH0518187B2 - - Google Patents

Info

Publication number
JPH0518187B2
JPH0518187B2 JP60278459A JP27845985A JPH0518187B2 JP H0518187 B2 JPH0518187 B2 JP H0518187B2 JP 60278459 A JP60278459 A JP 60278459A JP 27845985 A JP27845985 A JP 27845985A JP H0518187 B2 JPH0518187 B2 JP H0518187B2
Authority
JP
Japan
Prior art keywords
silicon nitride
refractive index
optical recording
sputtering
recording device
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
JP60278459A
Other languages
English (en)
Japanese (ja)
Other versions
JPS62139156A (ja
Inventor
Yasuyuki Ito
Nobuo Hara
Tateo Takase
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.)
Sharp Corp
Original Assignee
Sharp 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 Sharp Corp filed Critical Sharp Corp
Priority to JP60278459A priority Critical patent/JPS62139156A/ja
Publication of JPS62139156A publication Critical patent/JPS62139156A/ja
Publication of JPH0518187B2 publication Critical patent/JPH0518187B2/ja
Granted legal-status Critical Current

Links

JP60278459A 1985-12-11 1985-12-11 光記録デバイスの製造方法 Granted JPS62139156A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP60278459A JPS62139156A (ja) 1985-12-11 1985-12-11 光記録デバイスの製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60278459A JPS62139156A (ja) 1985-12-11 1985-12-11 光記録デバイスの製造方法

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP7259892A Division JPH08190740A (ja) 1995-10-06 1995-10-06 光記録デバイスの製造方法

Publications (2)

Publication Number Publication Date
JPS62139156A JPS62139156A (ja) 1987-06-22
JPH0518187B2 true JPH0518187B2 (enrdf_load_stackoverflow) 1993-03-11

Family

ID=17597625

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60278459A Granted JPS62139156A (ja) 1985-12-11 1985-12-11 光記録デバイスの製造方法

Country Status (1)

Country Link
JP (1) JPS62139156A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08190740A (ja) * 1995-10-06 1996-07-23 Sharp Corp 光記録デバイスの製造方法
TW466472B (en) * 1997-02-24 2001-12-01 Seiko Epson Corp Original board for manufacturing optical disk stampers, optical disk stamper manufacturing method, and optical disk

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57169996A (en) * 1981-04-09 1982-10-19 Sharp Corp Magnetooptic storage element
JPS5956240A (ja) * 1982-09-27 1984-03-31 Canon Inc 光磁気記録媒体
JPS59110052A (ja) * 1982-12-15 1984-06-25 Sharp Corp 光メモリ素子
NL8301072A (nl) * 1983-03-28 1984-10-16 Philips Nv Optische registratieschijf.
JPS62114141A (ja) * 1985-11-14 1987-05-25 Sharp Corp 磁気光学記憶素子

Also Published As

Publication number Publication date
JPS62139156A (ja) 1987-06-22

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term