KR900012226A - 광학적 디스크기판, 광학적 정보기록매체 및 그 광학적 디스크 기판의 제조방법 및 장치 - Google Patents

광학적 디스크기판, 광학적 정보기록매체 및 그 광학적 디스크 기판의 제조방법 및 장치

Info

Publication number
KR900012226A
KR900012226A KR1019900000707A KR900000707A KR900012226A KR 900012226 A KR900012226 A KR 900012226A KR 1019900000707 A KR1019900000707 A KR 1019900000707A KR 900000707 A KR900000707 A KR 900000707A KR 900012226 A KR900012226 A KR 900012226A
Authority
KR
South Korea
Prior art keywords
disc substrate
optical disc
optical
manufacturing
recording medium
Prior art date
Application number
KR1019900000707A
Other languages
English (en)
Other versions
KR0149167B1 (ko
Inventor
고따로오 고지마
야스마사 시바다
도시끼 쇼지마
Original Assignee
이데미쯔 세끼유 가가꾸 가부시끼가이샤
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=26344842&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=KR900012226(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by 이데미쯔 세끼유 가가꾸 가부시끼가이샤 filed Critical 이데미쯔 세끼유 가가꾸 가부시끼가이샤
Publication of KR900012226A publication Critical patent/KR900012226A/ko
Application granted granted Critical
Publication of KR0149167B1 publication Critical patent/KR0149167B1/ko

Links

Classifications

    • 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
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
    • G11B7/253—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of substrates
    • 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
    • B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
    • B29C45/58—Details
    • B29C45/60—Screws
    • 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
    • B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
    • B29C45/58—Details
    • B29C45/62—Barrels or cylinders
    • 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
    • B29L2017/001—Carriers of records containing fine grooves or impressions, e.g. disc records for needle playback, cylinder records
    • B29L2017/003—Records or discs
    • B29L2017/005—CD''s, DVD''s
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/913—Material designed to be responsive to temperature, light, moisture
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S430/00—Radiation imagery chemistry: process, composition, or product thereof
    • Y10S430/146—Laser beam
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31507—Of polycarbonate

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacturing Optical Record Carriers (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Polyesters Or Polycarbonates (AREA)
KR1019900000707A 1989-01-20 1990-01-19 광학적 디스크기판, 광학적 정보기록매체 및 그 광학적 디스크 기판의 제조방법 및 장치 KR0149167B1 (ko)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP1-9993 1989-01-20
JP999389 1989-01-20
JP1-9994 1989-01-20
JP999489 1989-01-20

Publications (2)

Publication Number Publication Date
KR900012226A true KR900012226A (ko) 1990-08-03
KR0149167B1 KR0149167B1 (ko) 1998-10-15

Family

ID=26344842

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900000707A KR0149167B1 (ko) 1989-01-20 1990-01-19 광학적 디스크기판, 광학적 정보기록매체 및 그 광학적 디스크 기판의 제조방법 및 장치

Country Status (4)

Country Link
US (1) US5059461A (ko)
EP (1) EP0379130B2 (ko)
KR (1) KR0149167B1 (ko)
DE (1) DE69013700T3 (ko)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0379130B2 (en) * 1989-01-20 2003-08-13 Idemitsu Petrochemical Co., Ltd. Optical disk substrate, optical information-storage medium, and process and apparatus for manufacturing the optical disk substrate
EP1105432A1 (de) * 1998-08-13 2001-06-13 Bayer Aktiengesellschaft Hochreine polycarbonate und verfahren zu deren herstellung
DE10048796A1 (de) * 2000-10-02 2002-04-18 Bayer Ag Lichtleiter
US6833427B2 (en) * 2001-05-18 2004-12-21 Teijin Chemicals, Ltd. Polycarbonate resin molding material for optical use
DE102006051305A1 (de) * 2006-10-31 2008-05-08 Bayer Materialscience Ag Verfahren zur Filtration von Substratmaterialien
KR101301539B1 (ko) * 2012-04-16 2013-09-04 대영이앤비 주식회사 도어 손잡이 및 이를 제조하기 위한 사출 성형 장치와 제조 방법

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60155424A (ja) * 1984-01-26 1985-08-15 Daicel Chem Ind Ltd 大径のポリカ−ボネ−ト製光デイスク基板およびその製造法
US4701770A (en) * 1985-06-14 1987-10-20 Matsushita Electric Industrial Co., Ltd. Substrate for an optical disc
JP2528838B2 (ja) * 1986-10-14 1996-08-28 ソニー株式会社 光学式情報記録媒体
NL8603167A (nl) * 1986-12-12 1988-07-01 Dsm Resins Bv Lichtdoorlaatbare plaat voor optisch uitleesbare informatiedrager.
EP0290009B1 (en) * 1987-05-08 1993-10-06 Kabushiki Kaisha Toshiba Information storage medium
EP0379130B2 (en) * 1989-01-20 2003-08-13 Idemitsu Petrochemical Co., Ltd. Optical disk substrate, optical information-storage medium, and process and apparatus for manufacturing the optical disk substrate

Also Published As

Publication number Publication date
US5059461A (en) 1991-10-22
DE69013700T3 (de) 2004-01-22
EP0379130B1 (en) 1994-11-02
KR0149167B1 (ko) 1998-10-15
DE69013700D1 (de) 1994-12-08
EP0379130B2 (en) 2003-08-13
DE69013700T2 (de) 1995-07-27
EP0379130A1 (en) 1990-07-25

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