JPS59140628A - 高密度情報担体基盤用金型 - Google Patents

高密度情報担体基盤用金型

Info

Publication number
JPS59140628A
JPS59140628A JP1390583A JP1390583A JPS59140628A JP S59140628 A JPS59140628 A JP S59140628A JP 1390583 A JP1390583 A JP 1390583A JP 1390583 A JP1390583 A JP 1390583A JP S59140628 A JPS59140628 A JP S59140628A
Authority
JP
Japan
Prior art keywords
mold
pin
opening
cooled
molded product
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
JP1390583A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0346889B2 (enExample
Inventor
Takeshi Moriwaki
森脇　毅
Yoshio Kizawa
鬼沢　嘉夫
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.)
Daicel Corp
Original Assignee
Daicel Chemical Industries 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 Daicel Chemical Industries Ltd filed Critical Daicel Chemical Industries Ltd
Priority to JP1390583A priority Critical patent/JPS59140628A/ja
Publication of JPS59140628A publication Critical patent/JPS59140628A/ja
Publication of JPH0346889B2 publication Critical patent/JPH0346889B2/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
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers

Landscapes

  • Manufacturing Of Magnetic Record Carriers (AREA)
JP1390583A 1983-01-31 1983-01-31 高密度情報担体基盤用金型 Granted JPS59140628A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1390583A JPS59140628A (ja) 1983-01-31 1983-01-31 高密度情報担体基盤用金型

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1390583A JPS59140628A (ja) 1983-01-31 1983-01-31 高密度情報担体基盤用金型

Publications (2)

Publication Number Publication Date
JPS59140628A true JPS59140628A (ja) 1984-08-13
JPH0346889B2 JPH0346889B2 (enExample) 1991-07-17

Family

ID=11846187

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1390583A Granted JPS59140628A (ja) 1983-01-31 1983-01-31 高密度情報担体基盤用金型

Country Status (1)

Country Link
JP (1) JPS59140628A (enExample)

Also Published As

Publication number Publication date
JPH0346889B2 (enExample) 1991-07-17

Similar Documents

Publication Publication Date Title
EP0075043B1 (en) Hot sprue valve assembly for an injection molding machine
EP2119549B1 (en) Resin molding apparatus
JPS6023971B2 (ja) 弁集成体
US7147814B1 (en) Injection molding method and injection mold
WO1998019846A9 (en) Apparatus for and method of injection molding
JPS59140628A (ja) 高密度情報担体基盤用金型
EP0936966A1 (en) Apparatus for and method of injection molding
US20090232930A1 (en) Disk Molding Mold, Mirror Surface Disk, and Method of Manufacturing Mirror Surface Disk
US6264459B1 (en) Multiple injection moulding unit
JPH08294944A (ja) 超薄肉射出成形部品及びそれを成形する方法及び成形機
JPS59133020A (ja) 高密度情報担体基盤の射出成形装置
JP4136023B2 (ja) 光ディスク成形装置
JPH0890624A (ja) ディスク基板成形用金型
JP4214587B2 (ja) 環状成形品の射出成形方法並びに射出成形金型
JPH09262873A (ja) 射出成形方法およびそれに用いる金型装置
JPH09198722A (ja) 光記録媒体の基板製造方法および光記録媒体
JPH0257765B2 (enExample)
JP2002011763A (ja) 射出成形用金型装置
JP3524604B2 (ja) ディスク成形金型
JPH07276437A (ja) 射出成形装置
JP2002028955A (ja) 射出成形金型
JPH09198723A (ja) 光記録媒体の基板製造方法および光記録媒体
JP3162884B2 (ja) ディスク成形用金型装置
JP2977239B2 (ja) 光ディスク基板の成形方法及びその製造装置
JPH0511015B2 (enExample)