TW200732129A - Optical disc base plate and shaping method, mold and optical disc product and making method - Google Patents

Optical disc base plate and shaping method, mold and optical disc product and making method

Info

Publication number
TW200732129A
TW200732129A TW095144522A TW95144522A TW200732129A TW 200732129 A TW200732129 A TW 200732129A TW 095144522 A TW095144522 A TW 095144522A TW 95144522 A TW95144522 A TW 95144522A TW 200732129 A TW200732129 A TW 200732129A
Authority
TW
Taiwan
Prior art keywords
optical disc
mold
base plate
stamper
product
Prior art date
Application number
TW095144522A
Other languages
Chinese (zh)
Other versions
TWI309601B (en
Inventor
Toshiyuki Ebina
Original Assignee
Meiki Seisakusho Kk
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 Meiki Seisakusho Kk filed Critical Meiki Seisakusho Kk
Publication of TW200732129A publication Critical patent/TW200732129A/en
Application granted granted Critical
Publication of TWI309601B publication Critical patent/TWI309601B/zh

Links

Landscapes

  • Manufacturing Optical Record Carriers (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)

Abstract

To provide a molding die for a disk substrate, for solving the problem that a flat label surface can not be widely secured on the surface opposite to a stack rib and a manufactured optical disk product has a bad appearance. In the molding die for the disk substrate 11 molding a disk substrate D1 in a cavity 14 formed between first and second metal molds 12 and 13, a stamper 16 forming a signal surface D2 and an annular recessed part 24 forming the stack rib D3 on the inner peripheral side of a part to which the stamper 16 is attached are provided in the first mold 12 and flat label surface forming surfaces 25a, 26a and 27a are formed on a part opposed to the stamper 16 and the annular recessed part 24 in the second mold 13.
TW095144522A 2006-02-23 2006-11-30 Optical disc base plate and shaping method, mold and optical disc product and making method TW200732129A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2006046371A JP2007226888A (en) 2006-02-23 2006-02-23 Molding die for disk substrate, disk substrate and optical disk product

Publications (2)

Publication Number Publication Date
TW200732129A true TW200732129A (en) 2007-09-01
TWI309601B TWI309601B (en) 2009-05-11

Family

ID=38548553

Family Applications (1)

Application Number Title Priority Date Filing Date
TW095144522A TW200732129A (en) 2006-02-23 2006-11-30 Optical disc base plate and shaping method, mold and optical disc product and making method

Country Status (3)

Country Link
JP (1) JP2007226888A (en)
CN (1) CN101024296A (en)
TW (1) TW200732129A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI621118B (en) * 2012-11-15 2018-04-11 Sony Corp Manufacturing method of substrate for optical recording medium

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI621118B (en) * 2012-11-15 2018-04-11 Sony Corp Manufacturing method of substrate for optical recording medium

Also Published As

Publication number Publication date
TWI309601B (en) 2009-05-11
CN101024296A (en) 2007-08-29
JP2007226888A (en) 2007-09-06

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees