JP2002074756A - 光ディスク、その製造方法及びディスク成形体成形用金型 - Google Patents

光ディスク、その製造方法及びディスク成形体成形用金型

Info

Publication number
JP2002074756A
JP2002074756A JP2000263827A JP2000263827A JP2002074756A JP 2002074756 A JP2002074756 A JP 2002074756A JP 2000263827 A JP2000263827 A JP 2000263827A JP 2000263827 A JP2000263827 A JP 2000263827A JP 2002074756 A JP2002074756 A JP 2002074756A
Authority
JP
Japan
Prior art keywords
disk
molding
molded body
adhesive
disc
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.)
Pending
Application number
JP2000263827A
Other languages
English (en)
Japanese (ja)
Other versions
JP2002074756A5 (enrdf_load_stackoverflow
Inventor
Yuichi Nakajima
雄一 中嶋
Akinobu Katayama
明信 片山
Maki Terada
真樹 寺田
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP2000263827A priority Critical patent/JP2002074756A/ja
Publication of JP2002074756A publication Critical patent/JP2002074756A/ja
Publication of JP2002074756A5 publication Critical patent/JP2002074756A5/ja
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B29C45/263—Moulds with mould wall parts provided with fine grooves or impressions, e.g. for record discs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B29C45/263—Moulds with mould wall parts provided with fine grooves or impressions, e.g. for record discs
    • B29C2045/2659—Moulds with mould wall parts provided with fine grooves or impressions, e.g. for record discs for making substrates for laminated disks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B29C45/263—Moulds with mould wall parts provided with fine grooves or impressions, e.g. for record discs
    • B29C2045/2667—Particular inner or outer peripheral portions of the substrate

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Manufacturing Optical Record Carriers (AREA)
JP2000263827A 2000-08-31 2000-08-31 光ディスク、その製造方法及びディスク成形体成形用金型 Pending JP2002074756A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2000263827A JP2002074756A (ja) 2000-08-31 2000-08-31 光ディスク、その製造方法及びディスク成形体成形用金型

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000263827A JP2002074756A (ja) 2000-08-31 2000-08-31 光ディスク、その製造方法及びディスク成形体成形用金型

Publications (2)

Publication Number Publication Date
JP2002074756A true JP2002074756A (ja) 2002-03-15
JP2002074756A5 JP2002074756A5 (enrdf_load_stackoverflow) 2005-09-02

Family

ID=18751322

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000263827A Pending JP2002074756A (ja) 2000-08-31 2000-08-31 光ディスク、その製造方法及びディスク成形体成形用金型

Country Status (1)

Country Link
JP (1) JP2002074756A (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009130760A1 (ja) * 2008-04-22 2009-10-29 住友重機械工業株式会社 ディスク成形用金型、金型用スペーサ、ディスク基板及びその成形方法
WO2010116945A1 (ja) * 2009-04-07 2010-10-14 太陽誘電株式会社 多層型光情報記録媒体
WO2019021652A1 (ja) * 2017-07-25 2019-01-31 ソニー株式会社 光記録媒体およびその製造方法

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009130760A1 (ja) * 2008-04-22 2009-10-29 住友重機械工業株式会社 ディスク成形用金型、金型用スペーサ、ディスク基板及びその成形方法
WO2010116945A1 (ja) * 2009-04-07 2010-10-14 太陽誘電株式会社 多層型光情報記録媒体
WO2019021652A1 (ja) * 2017-07-25 2019-01-31 ソニー株式会社 光記録媒体およびその製造方法
JPWO2019021652A1 (ja) * 2017-07-25 2020-05-28 ソニー株式会社 光記録媒体およびその製造方法
US10950269B2 (en) 2017-07-25 2021-03-16 Sony Corporation Optical recording medium and method for manufacturing the same
JP7180596B2 (ja) 2017-07-25 2022-11-30 ソニーグループ株式会社 光記録媒体およびその製造方法

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