JPH0114979Y2 - - Google Patents

Info

Publication number
JPH0114979Y2
JPH0114979Y2 JP1980181122U JP18112280U JPH0114979Y2 JP H0114979 Y2 JPH0114979 Y2 JP H0114979Y2 JP 1980181122 U JP1980181122 U JP 1980181122U JP 18112280 U JP18112280 U JP 18112280U JP H0114979 Y2 JPH0114979 Y2 JP H0114979Y2
Authority
JP
Japan
Prior art keywords
stamper
mold
film
present
back surface
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
JP1980181122U
Other languages
English (en)
Japanese (ja)
Other versions
JPS57107112U (nl
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 filed Critical
Priority to JP1980181122U priority Critical patent/JPH0114979Y2/ja
Publication of JPS57107112U publication Critical patent/JPS57107112U/ja
Application granted granted Critical
Publication of JPH0114979Y2 publication Critical patent/JPH0114979Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Moulds For Moulding Plastics Or The Like (AREA)
JP1980181122U 1980-12-17 1980-12-17 Expired JPH0114979Y2 (nl)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1980181122U JPH0114979Y2 (nl) 1980-12-17 1980-12-17

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1980181122U JPH0114979Y2 (nl) 1980-12-17 1980-12-17

Publications (2)

Publication Number Publication Date
JPS57107112U JPS57107112U (nl) 1982-07-01
JPH0114979Y2 true JPH0114979Y2 (nl) 1989-05-02

Family

ID=29978319

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1980181122U Expired JPH0114979Y2 (nl) 1980-12-17 1980-12-17

Country Status (1)

Country Link
JP (1) JPH0114979Y2 (nl)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4873226A (nl) * 1971-12-27 1973-10-03
JPS5597929A (en) * 1979-01-19 1980-07-25 Matsushita Electric Ind Co Ltd Production of flat plate-shaped body
JPS5698141A (en) * 1979-12-21 1981-08-07 Emi Ltd Manufacture of disccrecord

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4873226A (nl) * 1971-12-27 1973-10-03
JPS5597929A (en) * 1979-01-19 1980-07-25 Matsushita Electric Ind Co Ltd Production of flat plate-shaped body
JPS5698141A (en) * 1979-12-21 1981-08-07 Emi Ltd Manufacture of disccrecord

Also Published As

Publication number Publication date
JPS57107112U (nl) 1982-07-01

Similar Documents

Publication Publication Date Title
JPH0114979Y2 (nl)
US5335526A (en) Method of manufacturing substrates for memory disks
JPH0320812B2 (nl)
JPS63107518A (ja) 精密成形用複製金型の製造方法
JP3421440B2 (ja) ディスク成形用スタンパの再生方法
GB1413904A (en) Replication of a surface of a soft substrate
JPH0336021A (ja) 高硬度スタンパ及びその製造方法
US1118114A (en) Method of making molds for sound-records.
JPH0698642B2 (ja) 光学用反射ミラーの製造法と成形用金型
JPS59171002A (ja) 情報記録媒体製造用スタンパ
JPS61117724A (ja) 磁気記録体用基板
JPH02151410A (ja) 複製母型
JP2501578B2 (ja) 成形用金型
JPH026108A (ja) 金型及びその製造方法
JPH01217739A (ja) 光ディスク用スタンパ
US4415634A (en) Magnetic disk substrate with a core of synthetic material
US763564A (en) Production of sound-records.
JPS63131351A (ja) 情報記録媒体用スタンパ−
JPS60195739A (ja) 垂直磁化式磁気デイスク用アルミニウム材の製造方法
JPS5857624A (ja) 磁気記録体
JPS62125525A (ja) 磁気記録媒体用基板とその製造方法
GB388444A (en) Improvements in or relating to production of phonograph records
JPS62297054A (ja) スタンパ−研磨方法
JPS61284843A (ja) 光デイスク成形用スタンパの製造方法
GB535571A (en) Improvements in or relating to bearings