ATE141438T1 - Tragring mit niedriger gleitender reibung für optische platte - Google Patents

Tragring mit niedriger gleitender reibung für optische platte

Info

Publication number
ATE141438T1
ATE141438T1 AT92107455T AT92107455T ATE141438T1 AT E141438 T1 ATE141438 T1 AT E141438T1 AT 92107455 T AT92107455 T AT 92107455T AT 92107455 T AT92107455 T AT 92107455T AT E141438 T1 ATE141438 T1 AT E141438T1
Authority
AT
Austria
Prior art keywords
layer
sliding friction
support ring
optical plate
low sliding
Prior art date
Application number
AT92107455T
Other languages
English (en)
Inventor
Kenji Takahashi
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of ATE141438T1 publication Critical patent/ATE141438T1/de

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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
    • G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
    • G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
    • G11B11/10582—Record carriers characterised by the selection of the material or by the structure or form
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
    • G11B23/0014—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture record carriers not specifically of filamentary or web form
    • G11B23/0021—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture record carriers not specifically of filamentary or web form discs
    • G11B23/0028—Details
    • G11B23/0035—Details means incorporated in the disc, e.g. hub, to enable its guiding, loading or driving
    • 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
    • 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
    • Y10S384/00—Bearings
    • Y10S384/90—Cooling or heating
    • Y10S384/909—Plastic
    • 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
    • Y10T428/218—Aperture containing

Landscapes

  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Laminated Bodies (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Sliding-Contact Bearings (AREA)
  • Lubricants (AREA)
AT92107455T 1991-04-30 1992-04-30 Tragring mit niedriger gleitender reibung für optische platte ATE141438T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3126911A JP3038983B2 (ja) 1991-04-30 1991-04-30 光ディスク及びディスクカートリッジ

Publications (1)

Publication Number Publication Date
ATE141438T1 true ATE141438T1 (de) 1996-08-15

Family

ID=14946946

Family Applications (1)

Application Number Title Priority Date Filing Date
AT92107455T ATE141438T1 (de) 1991-04-30 1992-04-30 Tragring mit niedriger gleitender reibung für optische platte

Country Status (7)

Country Link
US (1) US5447768A (de)
EP (1) EP0514703B1 (de)
JP (1) JP3038983B2 (de)
KR (1) KR100239811B1 (de)
AT (1) ATE141438T1 (de)
CA (1) CA2067000C (de)
DE (1) DE69212701T2 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2704214B1 (fr) * 1993-04-19 1995-05-24 Yves Le Loarer Container portable destiné au transport de plaques de matériaux fragiles.
CN1088893C (zh) * 1994-12-29 2002-08-07 索尼公司 磁盘盒
JPH0917080A (ja) * 1995-06-26 1997-01-17 Sony Corp ディスククランプ装置とディスクドライブ
KR100268492B1 (ko) * 1996-01-11 2000-10-16 윤종용 하드디스크드라이브의디스크및디스크고정방법
USD422997S (en) * 1997-11-20 2000-04-18 Sony Corporation Magnetic disc cartridge
US7227817B1 (en) 1999-12-07 2007-06-05 Dphi Acquisitions, Inc. Low profile optical head
US6580683B1 (en) 1999-06-23 2003-06-17 Dataplay, Inc. Optical recording medium having a master data area and a writeable data area
US6631359B1 (en) 1999-09-10 2003-10-07 Dphi Acquisitions, Inc. Writeable medium access control using a medium writeable area
US7191153B1 (en) 1999-09-10 2007-03-13 Dphi Acquisitions, Inc. Content distribution method and apparatus
JP2002367320A (ja) * 2001-06-12 2002-12-20 Hitachi Ltd ディスクケース
FR2850785B1 (fr) * 2003-01-30 2006-05-26 Marie Therese Iruela Guillot Dispositif de protection pour disque optique
WO2005071681A1 (fr) * 2003-12-24 2005-08-04 Iruela Epouse Guillot Marie-Th Dispositif de protection pour disque optique.
JP2006079715A (ja) * 2004-09-09 2006-03-23 Fuji Photo Film Co Ltd 記録ディスクカートリッジ

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2951721A (en) * 1956-02-23 1960-09-06 Halogen Insulator And Seal Cor Composite seal
US4331367A (en) * 1980-11-17 1982-05-25 Gulf & Western Manufacturing Company Sealed compound bearing
JPS60106027A (ja) * 1983-11-14 1985-06-11 Hitachi Maxell Ltd デイスクカ−トリツジ
JPS60131631A (ja) * 1983-12-19 1985-07-13 Fuji Photo Film Co Ltd フレキシブル磁気デイスク
JPH064459Y2 (ja) * 1988-02-01 1994-02-02 日東電工株式会社 センターハブ連体
DE68919175T2 (de) * 1988-08-30 1995-05-24 Mitsubishi Rayon Co Nabe für optische Speicherplatte und Verfahren zu deren Herstellung.
EP0373763B1 (de) * 1988-12-12 1996-01-03 John P. Murphy Wiedergabeverbesserung für CD
US5120603A (en) * 1989-06-22 1992-06-09 Digital Equipment Corporation Magneto-optic recording medium with oriented langmuir-blodgett protective layer

Also Published As

Publication number Publication date
EP0514703B1 (de) 1996-08-14
JP3038983B2 (ja) 2000-05-08
DE69212701D1 (de) 1996-09-19
CA2067000A1 (en) 1992-10-31
US5447768A (en) 1995-09-05
KR920020417A (ko) 1992-11-21
JPH04330682A (ja) 1992-11-18
KR100239811B1 (ko) 2000-01-15
EP0514703A2 (de) 1992-11-25
DE69212701T2 (de) 1997-03-20
CA2067000C (en) 2001-07-03
EP0514703A3 (en) 1994-08-10

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee