DE69528394T2 - Substrat für optische Platte, optische Platte und aromatischer Polycarbonatharz - Google Patents

Substrat für optische Platte, optische Platte und aromatischer Polycarbonatharz

Info

Publication number
DE69528394T2
DE69528394T2 DE1995628394 DE69528394T DE69528394T2 DE 69528394 T2 DE69528394 T2 DE 69528394T2 DE 1995628394 DE1995628394 DE 1995628394 DE 69528394 T DE69528394 T DE 69528394T DE 69528394 T2 DE69528394 T2 DE 69528394T2
Authority
DE
Germany
Prior art keywords
optical disk
polycarbonate resin
resin substrate
aromatic polycarbonate
aromatic
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 - Lifetime
Application number
DE1995628394
Other languages
English (en)
Other versions
DE69528394D1 (de
Inventor
Toshimasa Tokuda
Kuniyuki Hayashi
Tatsumi Horie
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.)
Teijin Ltd
Original Assignee
Teijin Chemicals 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
Priority claimed from JP04878095A external-priority patent/JP3404166B2/ja
Priority claimed from JP7048779A external-priority patent/JPH0873584A/ja
Priority claimed from JP07097085A external-priority patent/JP3100862B2/ja
Application filed by Teijin Chemicals Ltd filed Critical Teijin Chemicals Ltd
Application granted granted Critical
Publication of DE69528394D1 publication Critical patent/DE69528394D1/de
Publication of DE69528394T2 publication Critical patent/DE69528394T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • G11B7/241—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
    • G11B7/2533—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 comprising resins
    • G11B7/2534—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 comprising resins polycarbonates [PC]
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G64/00—Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule
    • C08G64/04—Aromatic polycarbonates
    • C08G64/06—Aromatic polycarbonates not containing aliphatic unsaturation
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G64/00—Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule
    • C08G64/04—Aromatic polycarbonates
    • C08G64/06—Aromatic polycarbonates not containing aliphatic unsaturation
    • C08G64/14—Aromatic polycarbonates not containing aliphatic unsaturation containing a chain-terminating or -crosslinking agent
    • 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
    • G11B7/258—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 reflective layers
    • G11B7/2585—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 reflective layers based on aluminium
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/21—Circular sheet or circular blank
    • 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
DE1995628394 1994-07-08 1995-06-16 Substrat für optische Platte, optische Platte und aromatischer Polycarbonatharz Expired - Lifetime DE69528394T2 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP15772694 1994-07-08
JP16004394 1994-07-12
JP04878095A JP3404166B2 (ja) 1994-07-12 1995-03-08 芳香族ポリカーボネート共重合体
JP7048779A JPH0873584A (ja) 1994-07-08 1995-03-08 芳香族ポリカーボネート共重合体
JP07097085A JP3100862B2 (ja) 1995-04-21 1995-04-21 光ディスク基板および光ディスク

Publications (2)

Publication Number Publication Date
DE69528394D1 DE69528394D1 (de) 2002-10-31
DE69528394T2 true DE69528394T2 (de) 2003-05-15

Family

ID=27522742

Family Applications (2)

Application Number Title Priority Date Filing Date
DE1995628223 Expired - Lifetime DE69528223T2 (de) 1994-07-08 1995-06-16 Substrat für optische Platte, optische Platte und aromatischer Polycarbonatharz
DE1995628394 Expired - Lifetime DE69528394T2 (de) 1994-07-08 1995-06-16 Substrat für optische Platte, optische Platte und aromatischer Polycarbonatharz

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE1995628223 Expired - Lifetime DE69528223T2 (de) 1994-07-08 1995-06-16 Substrat für optische Platte, optische Platte und aromatischer Polycarbonatharz

Country Status (3)

Country Link
US (1) US5633060A (de)
EP (2) EP0691361B1 (de)
DE (2) DE69528223T2 (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3436466B2 (ja) * 1996-03-07 2003-08-11 出光石油化学株式会社 デジタルビデオディスク基板
AU2096100A (en) * 1998-12-23 2000-07-31 Bayer Aktiengesellschaft Polycarbonates with a low yellowness index
JP2000228040A (ja) * 1999-02-04 2000-08-15 Sony Corp 光磁気記録媒体
US6001953A (en) * 1999-03-18 1999-12-14 General Electric Company Polycarbonates suitable for use in optical articles
US6060577A (en) * 1999-03-18 2000-05-09 General Electric Company Polycarbonates derived from alicyclic bisphenols
US6248859B1 (en) 1999-07-06 2001-06-19 General Electric Company Polycarbonates suitable for use in optical article
US6590058B1 (en) 1999-07-19 2003-07-08 Bayer Aktiengesellschaft Oligomeric bischlorocarbonic acid esters obtained from selected cycloaliphatic bisphenols and other bisphenols
DE10001036A1 (de) * 2000-01-13 2001-07-19 Bayer Ag Polycarbonat-Substrate
EP1268604A1 (de) * 2000-03-23 2003-01-02 Bayer Aktiengesellschaft Polyestercarbonate und datenträger daraus
US6593425B2 (en) 2000-05-31 2003-07-15 General Electric Company Data storage media containing transparent polycarbonate blends
JP4965016B2 (ja) * 2000-09-07 2012-07-04 旭化成ケミカルズ株式会社 光学情報基板用ポリカーボネート樹脂組成物
US6733950B2 (en) * 2001-03-14 2004-05-11 General Electric Company Limited play data storage media and method for limiting access to data thereon
US7300690B2 (en) 2001-03-29 2007-11-27 General Electric Company Radial tilt reduced media
US6515098B1 (en) * 2001-07-02 2003-02-04 General Electric Company Vibration damping monolithic polymers
US6716505B2 (en) 2001-08-31 2004-04-06 General Electric Company Storage medium for data with improved dimensional stability
DE10201761A1 (de) * 2002-01-18 2003-07-31 Bayer Ag Folie als Dielektrikum in Kondensatoren und Verfahren zu ihrer Herstellung
JPWO2004005371A1 (ja) * 2002-07-09 2005-11-04 帝人化成株式会社 光学記録媒体
JPWO2005109114A1 (ja) * 2004-05-10 2008-03-21 コニカミノルタエムジー株式会社 ホログラフィック記録メディア、ホログラフィック記録方法及びホログラフィック情報メディア
DE102008036406A1 (de) * 2008-08-05 2010-02-11 Bayer Materialscience Ag Modifizierte Polycarbonate mit verbesserten Oberflächeneigenschaften
DE102009013643A1 (de) * 2009-03-18 2010-09-30 Bayer Materialscience Ag Copolycarbonate mit verbesserten Eigenschaften
TWI536053B (zh) * 2012-06-26 2016-06-01 Far Eastern New Century Corp The method of making the phase difference plate and the prepared phase difference plate and the phase difference plate layer fit
TWM566260U (zh) 2018-06-14 2018-09-01 葉剛碩 具雙鎖銷的梯具關節改良

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4631334A (en) * 1984-04-10 1986-12-23 Mitsubishi Gas Chemical Company, Inc. Optical articles of branched polycarbonate resin
DE3803939A1 (de) * 1988-02-10 1989-08-24 Bayer Ag Polycarbonate mit aralkylphenylendgruppen, ihre herstellung und verwendung
NO170326C (no) * 1988-08-12 1992-10-07 Bayer Ag Dihydroksydifenylcykloalkaner
US5227458A (en) 1988-08-12 1993-07-13 Bayer Aktiengesellschaft Polycarbonate from dihydroxydiphenyl cycloalkane
EP0362792A3 (de) * 1988-10-05 1991-04-03 Daicel Chemical Industries, Ltd. Aromatisches Polycarbonat-Copolymer und optische Platte mit solchem Substrat
DE3918406A1 (de) * 1989-06-06 1990-12-13 Bayer Ag Verwendung von polycarbonatmischungen in der optik
DE4017244A1 (de) * 1990-05-29 1991-12-05 Bayer Ag Herstellung optischer speichermedien
US5426159A (en) * 1991-06-27 1995-06-20 Mitsubishi Gas Chemical Company, Inc. Process for producing grafted polycarbonate resin
DE4232897C2 (de) * 1992-09-30 2002-10-31 Bayer Ag Flammwidrige thermoplastische Polycarbonat-Formmassen und Verfahren zu ihrer Herstellung
US5554473A (en) * 1994-11-23 1996-09-10 Mitsubishi Chemical America, Inc. Photoreceptor having charge transport layers containing a copolycarbonate and layer containing same

Also Published As

Publication number Publication date
EP0691361A2 (de) 1996-01-10
US5633060A (en) 1997-05-27
EP0691361B1 (de) 2002-09-18
EP0931804A3 (de) 1999-10-13
EP0931804A2 (de) 1999-07-28
EP0691361A3 (de) 1997-12-03
DE69528223T2 (de) 2003-06-05
DE69528223D1 (de) 2002-10-24
DE69528394D1 (de) 2002-10-31
EP0931804B1 (de) 2002-09-25

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