ATE96569T1 - Harz-zusammensetzung fuer eine optische platte. - Google Patents

Harz-zusammensetzung fuer eine optische platte.

Info

Publication number
ATE96569T1
ATE96569T1 AT88306921T AT88306921T ATE96569T1 AT E96569 T1 ATE96569 T1 AT E96569T1 AT 88306921 T AT88306921 T AT 88306921T AT 88306921 T AT88306921 T AT 88306921T AT E96569 T1 ATE96569 T1 AT E96569T1
Authority
AT
Austria
Prior art keywords
resin composition
optical disk
weight
information recording
parts
Prior art date
Application number
AT88306921T
Other languages
English (en)
Inventor
Akira Todo
Toshio Kimura
Takeshi Minoda
Masayoshi Kurisu
Original Assignee
Mitsui Petrochemical Ind
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 Mitsui Petrochemical Ind filed Critical Mitsui Petrochemical Ind
Application granted granted Critical
Publication of ATE96569T1 publication Critical patent/ATE96569T1/de

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/74—Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum
    • G11B5/82—Disk 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
    • G11B7/24015—Air-sandwiched discs
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/34—Silicon-containing compounds
    • C08K3/36—Silica

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
AT88306921T 1987-07-27 1988-07-27 Harz-zusammensetzung fuer eine optische platte. ATE96569T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP62187250A JPS6431844A (en) 1987-07-27 1987-07-27 Polymer composition for spacer of information recording base plate
EP88306921A EP0301830B1 (de) 1987-07-27 1988-07-27 Harz-Zusammensetzung für eine optische Platte

Publications (1)

Publication Number Publication Date
ATE96569T1 true ATE96569T1 (de) 1993-11-15

Family

ID=16202675

Family Applications (1)

Application Number Title Priority Date Filing Date
AT88306921T ATE96569T1 (de) 1987-07-27 1988-07-27 Harz-zusammensetzung fuer eine optische platte.

Country Status (9)

Country Link
US (1) US4943611A (de)
EP (1) EP0301830B1 (de)
JP (1) JPS6431844A (de)
KR (1) KR910005449B1 (de)
CN (1) CN1021785C (de)
AT (1) ATE96569T1 (de)
CA (1) CA1333514C (de)
DE (1) DE3885181T2 (de)
MY (1) MY103132A (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0390413B1 (de) * 1989-03-27 1995-06-14 Mitsubishi Denki Kabushiki Kaisha Optische Platte sowie Verfahren zu ihrer Herstellung
EP0624870B1 (de) * 1989-03-27 1996-11-27 Mitsubishi Denki Kabushiki Kaisha Vorrichtung zur Herstellung von optischen Platten
JPH02292721A (ja) * 1989-05-02 1990-12-04 Tdk Corp 磁気デイスク
US5188875A (en) * 1989-08-25 1993-02-23 Mitsui Petrochemical Industries, Ltd. Information recording medium and adhesive composition therefor
JP2808794B2 (ja) * 1990-02-22 1998-10-08 ソニー株式会社 両面光ディスク
JP2603755B2 (ja) * 1990-11-28 1997-04-23 株式会社クボタ コンバインの扱深さ制御装置
JP2603756B2 (ja) * 1990-11-29 1997-04-23 株式会社クボタ コンバインの扱深さ制御装置
US7601423B2 (en) * 2004-11-19 2009-10-13 Mitsui Chemicals, Inc. Ethylene-based polymer microparticles, functional group-containing ethylene-based polymer microparticles, and catalyst carriers for manufacture thereof
US20090208685A1 (en) * 2008-02-20 2009-08-20 Sealed Air Corporation (Us) Packaging film and method of decreasing scalping of polar cyclic compounds
KR102354535B1 (ko) * 2017-09-12 2022-01-21 주식회사 발카 탤크 시트를 포함하는 개스킷

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57178826A (en) * 1981-04-30 1982-11-04 Akira Washida Method of welding ethylene tetrafluoride resin by ultrasonic wave
JPS60103537A (ja) * 1983-11-11 1985-06-07 Nec Corp 情報記録媒体の製造方法
JPS61115916A (ja) * 1984-11-12 1986-06-03 Mitsui Petrochem Ind Ltd 新重合体
JPH0635493B2 (ja) * 1985-03-18 1994-05-11 三井石油化学工業株式会社 ランダム共重合体
CA1278899C (en) * 1985-05-24 1991-01-08 Mitsui Chemicals, Inc. Random copolymer, and process for production thereof
JP2619856B2 (ja) * 1985-06-21 1997-06-11 三井石油化学工業株式会社 光学材料
JPS6219802A (ja) * 1985-07-19 1987-01-28 Mitsubishi Petrochem Co Ltd 光学的情報記録媒体
EP0231121B1 (de) * 1986-01-28 1990-07-11 Mitsui Petrochemical Industries, Ltd. Struktur einer optischen Scheibe mit Zwischenraum zwischen den Aufzeichnungsschichten
JPH0655773B2 (ja) * 1986-03-17 1994-07-27 三井石油化学工業株式会社 環状オレフイン系ランダム共重合体の製法

Also Published As

Publication number Publication date
EP0301830B1 (de) 1993-10-27
CA1333514C (en) 1994-12-13
DE3885181T2 (de) 1994-05-05
JPH0577700B2 (de) 1993-10-27
US4943611A (en) 1990-07-24
MY103132A (en) 1993-04-30
KR890002835A (ko) 1989-04-11
CN1021785C (zh) 1993-08-11
DE3885181D1 (de) 1993-12-02
EP0301830A3 (de) 1991-02-27
JPS6431844A (en) 1989-02-02
CN1030922A (zh) 1989-02-08
EP0301830A2 (de) 1989-02-01
KR910005449B1 (ko) 1991-07-29

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Legal Events

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RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties