ATE120685T1 - 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
ATE120685T1
ATE120685T1 AT90203516T AT90203516T ATE120685T1 AT E120685 T1 ATE120685 T1 AT E120685T1 AT 90203516 T AT90203516 T AT 90203516T AT 90203516 T AT90203516 T AT 90203516T AT E120685 T1 ATE120685 T1 AT E120685T1
Authority
AT
Austria
Prior art keywords
readable information
polycarbonate
optically readable
producing supports
supports
Prior art date
Application number
AT90203516T
Other languages
English (en)
Inventor
Eduard Jozef Frencken
Martin Joseph Pete Flinsenberg
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 ATE120685T1 publication Critical patent/ATE120685T1/de

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Manufacturing Optical Record Carriers (AREA)
AT90203516T 1990-01-03 1990-12-28 Verfahren zur herstellung von trägern von optisch-lesbaren informationen aus polykarbonat. ATE120685T1 (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 (1)

Publication Number Publication Date
ATE120685T1 true ATE120685T1 (de) 1995-04-15

Family

ID=19856357

Family Applications (1)

Application Number Title Priority Date Filing Date
AT90203516T ATE120685T1 (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
ES2642061T3 (es) 2010-04-16 2017-11-15 Valspar Sourcing, Inc. Composiciones de recubrimiento para artículos de envasado y métodos de recubrimiento
WO2012109278A2 (en) 2011-02-07 2012-08-16 Valspar Sourcing, Inc. Coating compositions for containers and other articles and methods of coating
US9724276B2 (en) 2012-08-09 2017-08-08 Valspar Sourcing, Inc. Dental materials and method of manufacture
CN104541210A (zh) 2012-08-09 2015-04-22 威士伯采购公司 用于热响应记录材料的显影剂
AU2013299578A1 (en) 2012-08-09 2015-02-19 Valspar Sourcing, Inc. Compositions for containers and other articles and methods of using same
US10526502B2 (en) 2012-08-09 2020-01-07 Swimc Llc Container coating system
ES2800027T3 (es) 2012-08-09 2020-12-23 Swimc Llc Estabilizador y composiciones de recubrimiento del mismo
CN104540874B (zh) 2012-08-09 2018-05-01 威士伯采购公司 聚碳酸酯
JP6746501B2 (ja) 2014-04-14 2020-08-26 ヴァルスパー・ソーシング・インコーポレーテッド 容器及び他の物品のための組成物の調製方法並びにその使用方法
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
CA2033470A1 (en) 1991-07-04
JPH04255313A (ja) 1992-09-10
DE69018436D1 (de) 1995-05-11
EP0439870B1 (de) 1995-04-05
EP0439870A1 (de) 1991-08-07
KR910014200A (ko) 1991-08-31
KR930010556B1 (ko) 1993-10-28
NL9000006A (nl) 1991-08-01
US5102608A (en) 1992-04-07
DE69018436T2 (de) 1996-01-11

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