DE69018436T2 - Verfahren zur Herstellung von Trägern von optisch-lesbaren Informationen aus Polykarbonat. - Google Patents

Verfahren zur Herstellung von Trägern von optisch-lesbaren Informationen aus Polykarbonat.

Info

Publication number
DE69018436T2
DE69018436T2 DE69018436T DE69018436T DE69018436T2 DE 69018436 T2 DE69018436 T2 DE 69018436T2 DE 69018436 T DE69018436 T DE 69018436T DE 69018436 T DE69018436 T DE 69018436T DE 69018436 T2 DE69018436 T2 DE 69018436T2
Authority
DE
Germany
Prior art keywords
carriers
readable information
optically readable
polycarbonate
production
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
DE69018436T
Other languages
English (en)
Other versions
DE69018436D1 (de
Inventor
Eduard Jozef Frencken
Martin Joseph Pete Flinsenberg
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.)
Koninklijke DSM NV
Original Assignee
DSM NV
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 DSM NV filed Critical DSM NV
Application granted granted Critical
Publication of DE69018436D1 publication Critical patent/DE69018436D1/de
Publication of DE69018436T2 publication Critical patent/DE69018436T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D17/00—Producing carriers of records containing fine grooves or impressions, e.g. disc records for needle playback, cylinder records; Producing record discs from master stencils
    • 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
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D17/00—Producing carriers of records containing fine grooves or impressions, e.g. disc records for needle playback, cylinder records; Producing record discs from master stencils
    • B29D17/005—Producing optically read record carriers, e.g. optical discs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/26—Apparatus or processes specially adapted for the manufacture of record carriers
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/26—Apparatus or processes specially adapted for the manufacture of record carriers
    • G11B7/263—Preparing and using a stamper, e.g. pressing or injection molding substrates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2069/00—Use of PC, i.e. polycarbonates or derivatives thereof, as moulding material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2017/00—Carriers for sound or information
DE69018436T 1990-01-03 1990-12-28 Verfahren zur Herstellung von Trägern von optisch-lesbaren Informationen aus Polykarbonat. Expired - Fee Related DE69018436T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL9000006A NL9000006A (nl) 1990-01-03 1990-01-03 Werkwijze voor het vervaardigen van voorwerpen uit polycarbonaat.

Publications (2)

Publication Number Publication Date
DE69018436D1 DE69018436D1 (de) 1995-05-11
DE69018436T2 true DE69018436T2 (de) 1996-01-11

Family

ID=19856357

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69018436T Expired - Fee Related DE69018436T2 (de) 1990-01-03 1990-12-28 Verfahren zur Herstellung von Trägern von optisch-lesbaren Informationen aus Polykarbonat.

Country Status (8)

Country Link
US (1) US5102608A (de)
EP (1) EP0439870B1 (de)
JP (1) JPH04255313A (de)
KR (1) KR930010556B1 (de)
AT (1) ATE120685T1 (de)
CA (1) CA2033470A1 (de)
DE (1) DE69018436T2 (de)
NL (1) NL9000006A (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3032587B2 (ja) * 1990-12-28 2000-04-17 ティーディーケイ株式会社 光ディスクの製造方法
US5312577A (en) * 1992-05-08 1994-05-17 Bioject Inc. Method for manufacturing an ampule
WO2011130671A2 (en) 2010-04-16 2011-10-20 Valspar Sourcing, Inc. Coating compositions for packaging articles and methods of coating
BR122015001646B1 (pt) 2011-02-07 2021-06-15 Swimc Llc Composição de revestimento, artigo, e, método
CN104582671B (zh) 2012-08-09 2018-06-29 威士伯采购公司 牙科材料和制备方法
US10316211B2 (en) 2012-08-09 2019-06-11 Swimc Llc Stabilizer and coating compositions thereof
WO2014025400A1 (en) 2012-08-09 2014-02-13 Valspar Sourcing, Inc. Developer for thermally responsive record materials
CN104540744B (zh) 2012-08-09 2017-08-25 威士伯采购公司 容器涂层体系
CA2879424C (en) 2012-08-09 2020-06-30 Valspar Sourcing, Inc. Compositions for containers and other articles and methods of using same
CN104540874B (zh) 2012-08-09 2018-05-01 威士伯采购公司 聚碳酸酯
KR102429146B1 (ko) 2014-04-14 2022-08-04 에스더블유아이엠씨 엘엘씨 용기 및 기타 물품용 조성물의 제조방법 및 상기 조성물의 사용 방법
TWI614275B (zh) 2015-11-03 2018-02-11 Valspar Sourcing Inc 用於製備聚合物的液體環氧樹脂組合物

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4125187A (en) * 1974-10-21 1978-11-14 Amerace Corporation Thermoplastic casing and method of manufacturing same
US4434118A (en) * 1980-12-23 1984-02-28 Stauffer Chemical Company Compacting polycarbonate and copoly(carbonate/phosphonate) particles
JPS58126119A (ja) * 1982-01-22 1983-07-27 Mitsubishi Chem Ind Ltd 光学的特性のすぐれた成形物の製造法
FR2555935B1 (fr) * 1983-12-02 1986-08-14 Luchaire Sa Procede de fabrication de produits en matiere thermoplastique de forme creuse et produits ainsi obtenus, par exemple reservoirs de carburant
US4880896A (en) * 1987-05-30 1989-11-14 Idemitsu Petrochemical Co., Ltd. Polycarbonate for disc substrate having low bisphenol content
US4877666A (en) * 1987-08-11 1989-10-31 Kerdix, Inc. Magneto-optic substrates

Also Published As

Publication number Publication date
EP0439870B1 (de) 1995-04-05
CA2033470A1 (en) 1991-07-04
KR930010556B1 (ko) 1993-10-28
ATE120685T1 (de) 1995-04-15
JPH04255313A (ja) 1992-09-10
EP0439870A1 (de) 1991-08-07
NL9000006A (nl) 1991-08-01
US5102608A (en) 1992-04-07
DE69018436D1 (de) 1995-05-11
KR910014200A (ko) 1991-08-31

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee