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)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Laminated Bodies (AREA)
  • Lubricants (AREA)
  • Sliding-Contact Bearings (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.
KR100396411B1 (ko) * 1994-12-29 2003-11-28 소니 가부시끼 가이샤 디스크카트리지
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
US6580683B1 (en) 1999-06-23 2003-06-17 Dataplay, Inc. Optical recording medium having a master data area and a writeable data area
US7227817B1 (en) 1999-12-07 2007-06-05 Dphi Acquisitions, Inc. Low profile optical head
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
JPH04330682A (ja) 1992-11-18
KR100239811B1 (ko) 2000-01-15
DE69212701T2 (de) 1997-03-20
CA2067000A1 (en) 1992-10-31
DE69212701D1 (de) 1996-09-19
EP0514703A3 (en) 1994-08-10
KR920020417A (ko) 1992-11-21
US5447768A (en) 1995-09-05
CA2067000C (en) 2001-07-03
EP0514703B1 (de) 1996-08-14
EP0514703A2 (de) 1992-11-25
JP3038983B2 (ja) 2000-05-08

Similar Documents

Publication Publication Date Title
DE69212701D1 (de) Tragring mit niedriger gleitender Reibung für optische Platte
FI103721B1 (fi) Monikerroksinen kutistuskalvo, jolla on pieni kutistusvoima
KR940016001A (ko) 자기기록매체용 적층 폴리에스테르 필름
DK658088D0 (da) Stoejfri polymer film samt anvendelse deraf i laminerede flerlagsfilm
BR9915397A (pt) Filmes iridescentes em múltiplas camadas
DE68916511D1 (de) Optisches Aufzeichnungsmedium.
EP0378954A3 (de) Polyesterverbundfolie für magnetisches Aufzeichnungsmedium und ein magnetisches Aufzeichnungsmedium
KR920702018A (ko) 웨이퍼 가공용 필름
KR910010416A (ko) 회전 광학 헤드
KR940701575A (ko) 2축 배향 베이스 필름 및 이것을 사용한 고밀도 자기 기록용 플로피 디스크
KR930703385A (ko) 폴리에틸렌-2,6-나프탈렌디카르복실레이트 필름
MX9203044A (es) Cinta optica.
EP0549246A3 (de) Anordnung mehrschichtiger Filmmaterialien.
MX9300191A (es) Pelicula base de cinta para casete compacto.
AU606538B2 (en) Magnetooptical recording media
ES2022377B3 (es) Pelicula de tioeter de poliarileno facilmente deslizante y procedimiento para producirla.
DE3786473D1 (de) Mehrfaches spurverfolgungssystem.
ATE107342T1 (de) Heisssiegelbarer polybutylenterephthalat-film.
JPS5690439A (en) Material for reproducing optical signal records
EP1363279A3 (de) Medium zur Aufzeichnung und Wiedergabe von Informationen und eine Vorrichtung zur Verwendung desselben
JPS6442044A (en) Optical recording medium
ATE109584T1 (de) Optisches aufzeichnungsmedium.
KR930002086A (ko) 고밀도 자기 테이프용 폴리에스테르 필름
ATE86891T1 (de) Kunststoffolie.
KR950008567A (ko) 이축 배향 폴리에스테르 필름의 제조방법

Legal Events

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