JP3963522B2 - 光ディスク及び光ディスク製造方法 - Google Patents

光ディスク及び光ディスク製造方法 Download PDF

Info

Publication number
JP3963522B2
JP3963522B2 JP11239997A JP11239997A JP3963522B2 JP 3963522 B2 JP3963522 B2 JP 3963522B2 JP 11239997 A JP11239997 A JP 11239997A JP 11239997 A JP11239997 A JP 11239997A JP 3963522 B2 JP3963522 B2 JP 3963522B2
Authority
JP
Japan
Prior art keywords
disk
molded body
adhesive
disc
optical
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 - Fee Related
Application number
JP11239997A
Other languages
English (en)
Japanese (ja)
Other versions
JPH10296797A (ja
JPH10296797A5 (enExample
Inventor
雄一 中嶋
義雄 丸山
隆亮 東田
晋二 角陸
博 油谷
義彦 三沢
典秀 檜垣
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 Corp
Panasonic Holdings Corp
Original Assignee
Panasonic Corp
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 Panasonic Corp, Matsushita Electric Industrial Co Ltd filed Critical Panasonic Corp
Priority to JP11239997A priority Critical patent/JP3963522B2/ja
Publication of JPH10296797A publication Critical patent/JPH10296797A/ja
Publication of JPH10296797A5 publication Critical patent/JPH10296797A5/ja
Application granted granted Critical
Publication of JP3963522B2 publication Critical patent/JP3963522B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/26Moulds
    • B29C45/263Moulds with mould wall parts provided with fine grooves or impressions, e.g. for record discs
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/26Moulds
    • B29C45/263Moulds with mould wall parts provided with fine grooves or impressions, e.g. for record discs
    • B29C2045/2659Moulds with mould wall parts provided with fine grooves or impressions, e.g. for record discs for making substrates for laminated disks
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/26Moulds
    • B29C45/263Moulds with mould wall parts provided with fine grooves or impressions, e.g. for record discs
    • B29C2045/2667Particular inner or outer peripheral portions of the substrate

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Manufacturing Optical Record Carriers (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
JP11239997A 1997-04-30 1997-04-30 光ディスク及び光ディスク製造方法 Expired - Fee Related JP3963522B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11239997A JP3963522B2 (ja) 1997-04-30 1997-04-30 光ディスク及び光ディスク製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11239997A JP3963522B2 (ja) 1997-04-30 1997-04-30 光ディスク及び光ディスク製造方法

Publications (3)

Publication Number Publication Date
JPH10296797A JPH10296797A (ja) 1998-11-10
JPH10296797A5 JPH10296797A5 (enExample) 2005-03-03
JP3963522B2 true JP3963522B2 (ja) 2007-08-22

Family

ID=14585694

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11239997A Expired - Fee Related JP3963522B2 (ja) 1997-04-30 1997-04-30 光ディスク及び光ディスク製造方法

Country Status (1)

Country Link
JP (1) JP3963522B2 (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005071436A (ja) 2003-08-21 2005-03-17 Meiki Co Ltd 光ディスクおよび光ディスク用ディスク基板の成形方法
EP2465658B1 (en) * 2010-12-15 2016-07-20 Canon Kabushiki Kaisha Resin molded article, method for manufacturing the same, and printer

Also Published As

Publication number Publication date
JPH10296797A (ja) 1998-11-10

Similar Documents

Publication Publication Date Title
US4715804A (en) Metal mold for resin molding
JPH1040578A (ja) ディスク用基板
JP2002170279A (ja) 光学記録媒体およびその製造方法、ならびに射出成形装置
JP3963522B2 (ja) 光ディスク及び光ディスク製造方法
EP1192034B1 (en) Method of forming an optical disk with reduced edge wedge
JPH1186352A (ja) 薄物ディスク基板の成形方法およびその成形用金型
JPS62135334A (ja) 光情報記録用デイスク基板の製造方法及びその製造装置
JPH028567B2 (enExample)
JP2610558B2 (ja) ディスク用基板成形法
CN100519139C (zh) 光盘基板的成形方法及蓝光光盘
JP4079541B2 (ja) ディスク基板
JP3383387B2 (ja) 光ディスク用基板及びこの光ディスク用基板の成形用金型
JP2002074756A (ja) 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
JP3979841B2 (ja) 光ディスクの製造方法及び金型
JPH10235682A (ja) 射出成形装置
JP2002326256A (ja) 光ディスク基板の製造方法及び装置
JP2982593B2 (ja) 光ディスク用ハブとその成形法及びこれを用いた光ディスク
JP3264820B2 (ja) 貼り合わせ型ディスクとその製造方法およびディスク成形装置
JPH03293107A (ja) 光デイスクの製造方法及びその金型
TW200807409A (en) Disc substrate, forming die for the same, blue-ray disc (r) manufactured using disc substrate, and manufacturing method of blue-ray disc
JP2000057726A (ja) ディスクハブ
JPH11265527A (ja) 円盤状記録媒体
US20030085479A1 (en) Method for manufacturing disc-shaped substrate material
JP2001134932A (ja) ディスク基板及び射出成形装置
JPH0831023A (ja) 中心部に貫通孔を有しないディスクの製造方法及び中心部に小径貫通孔を有するディスクの製造方法並びにディスク

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20040330

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20040330

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20050801

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20050809

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20050913

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20070206

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20070328

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20070424

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20070522

R150 Certificate of patent or registration of utility model

Free format text: JAPANESE INTERMEDIATE CODE: R150

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20100601

Year of fee payment: 3

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20110601

Year of fee payment: 4

LAPS Cancellation because of no payment of annual fees