SE426111B - Centreringsanordning for en uppteckningsskiva - Google Patents

Centreringsanordning for en uppteckningsskiva

Info

Publication number
SE426111B
SE426111B SE7712116A SE7712116A SE426111B SE 426111 B SE426111 B SE 426111B SE 7712116 A SE7712116 A SE 7712116A SE 7712116 A SE7712116 A SE 7712116A SE 426111 B SE426111 B SE 426111B
Authority
SE
Sweden
Prior art keywords
disc
hub
discs
drive
disk
Prior art date
Application number
SE7712116A
Other languages
English (en)
Swedish (sv)
Other versions
SE7712116L (sv
Inventor
E L Kauffmann
Original Assignee
Ibm
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 Ibm filed Critical Ibm
Publication of SE7712116L publication Critical patent/SE7712116L/xx
Publication of SE426111B publication Critical patent/SE426111B/sv

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B17/00Guiding record carriers not specifically of filamentary or web form, or of supports therefor
    • G11B17/02Details
    • G11B17/038Centering or locking of a plurality of discs in a single cartridge
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B23/00Record 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
    • G11B23/0014Record 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
    • G11B23/0021Record 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
    • G11B23/0028Details
    • G11B23/0035Details means incorporated in the disc, e.g. hub, to enable its guiding, loading or driving
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F10/00Thin magnetic films, e.g. of one-domain structure
    • H01F10/08Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers
    • H01F10/10Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers characterised by the composition
    • H01F10/18Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers characterised by the composition being compounds
    • H01F10/20Ferrites

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Power Engineering (AREA)
  • Holding Or Fastening Of Disk On Rotational Shaft (AREA)
  • Moving Of Heads (AREA)
SE7712116A 1976-11-02 1977-10-27 Centreringsanordning for en uppteckningsskiva SE426111B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/737,947 US4091454A (en) 1976-11-02 1976-11-02 Self-centering disk having an eccentric elliptical-shaped center locating hole

Publications (2)

Publication Number Publication Date
SE7712116L SE7712116L (sv) 1978-05-03
SE426111B true SE426111B (sv) 1982-12-06

Family

ID=24965923

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7712116A SE426111B (sv) 1976-11-02 1977-10-27 Centreringsanordning for en uppteckningsskiva

Country Status (21)

Country Link
US (1) US4091454A (ja)
JP (1) JPS5357011A (ja)
AR (1) AR225269A1 (ja)
AT (1) AT355820B (ja)
AU (1) AU510780B2 (ja)
BR (1) BR7707403A (ja)
CA (1) CA1100632A (ja)
CH (1) CH622641A5 (ja)
CS (1) CS714677A2 (ja)
DD (1) DD133379A5 (ja)
DE (1) DE2739724C3 (ja)
ES (1) ES462537A1 (ja)
FR (1) FR2369648A1 (ja)
GB (1) GB1581483A (ja)
IL (1) IL52888A (ja)
IT (1) IT1115682B (ja)
NL (1) NL7711511A (ja)
PH (1) PH19363A (ja)
SE (1) SE426111B (ja)
SU (1) SU971122A3 (ja)
YU (1) YU254577A (ja)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4149207A (en) * 1977-10-25 1979-04-10 International Business Machines Corporation Cartridge and flexible magnetic disk assembly
US4229808A (en) * 1978-12-21 1980-10-21 Ncr Corporation Method for recording multiple data segments on a storage disc with eccentricity factor
DE3135385A1 (de) 1980-03-05 1983-03-17 Papst-Motoren GmbH & Co KG, 7742 St Georgen Plattenspeicher
US4358843A (en) * 1980-09-29 1982-11-09 Rager Edgar A Spindle for centering a data disk
NL8102283A (nl) * 1981-05-11 1982-12-01 Philips Nv Optisch uitleesbare informatieschijf met een reflectielaag gevormd uit een metaallegering.
JPS57195674U (ja) * 1981-06-05 1982-12-11
JPS57203272A (en) * 1981-06-10 1982-12-13 Hitachi Ltd Disc locating mechanism
JPS58118072A (ja) * 1981-12-29 1983-07-13 Seiko Epson Corp 記録媒体取り付け機構
US4503474A (en) * 1982-06-04 1985-03-05 Syquest Technology Disc drive cartridge arrangement
US4754351A (en) * 1984-08-22 1988-06-28 Maxtor Corporation Method and apparatus for controlling radial disk displacement in Winchester disk drives
US5982736A (en) 1997-05-15 1999-11-09 Pierson; Gerald A. Trading card optical compact disc and methods of using and forming same
US7174369B1 (en) 1997-05-15 2007-02-06 Dxpdd, Inc. System and methods of updating compact disc cards and graphical user interface for updating same
US6055123A (en) * 1997-09-16 2000-04-25 Seagate Technology, Inc. Radially loaded disc mounting system for a disc drive
USD418502S (en) * 1998-09-03 2000-01-04 American Tract Society Compact disc
USD421427S (en) * 1998-09-17 2000-03-07 Shape Cd, Inc. Compact disc
USD426203S (en) * 1998-09-17 2000-06-06 Shape Cd, Inc. Compact disc
US6166884A (en) * 1998-10-30 2000-12-26 Iomega Corporation Apparatus and system for stabilizing a disk media surface for engagement with a drive head
USD419152S (en) * 1999-02-11 2000-01-18 Shape Cd, Inc. Compact disk/mini disk
US7152097B1 (en) 2000-06-19 2006-12-19 Diskxpress Us, Inc. System and methods of updating compact discs and graphical user interface for updating same
US10502321B2 (en) * 2014-01-14 2019-12-10 Compart Systems Pte, Ltd. Gasket retainer for surface mount fluid component
US9869409B2 (en) * 2013-01-15 2018-01-16 Vistadeltek, Llc Gasket retainer for surface mount fluid component

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR768625A (fr) * 1933-05-02 1934-08-10 Appareil d'enregistrement et d'audition de disques phonographiques
GB421680A (en) * 1933-10-26 1934-12-28 Samuel Whyte Improvements in sound records
US2155603A (en) * 1937-03-16 1939-04-25 Us Gauge Co Nonremovable chart holder
US3130393A (en) * 1959-05-13 1964-04-21 Sperry Rand Corp Information storage device
US3156918A (en) * 1960-12-30 1964-11-10 Ibm Record eccentricity detector and centering arrangement for recording machines
US3258750A (en) * 1962-07-02 1966-06-28 Multi-channel magnetic recording systems
US3198657A (en) * 1964-09-17 1965-08-03 Ibm Process for spin coating objects
JPS537801B2 (ja) * 1973-06-14 1978-03-22
JPS5159205U (ja) * 1974-11-01 1976-05-10

Also Published As

Publication number Publication date
CS714677A2 (en) 1984-02-13
AT355820B (de) 1980-03-25
DE2739724C3 (de) 1979-09-06
AU510780B2 (en) 1980-07-10
FR2369648B1 (ja) 1979-06-01
DE2739724A1 (de) 1978-05-03
IT1115682B (it) 1986-02-03
JPS5357011A (en) 1978-05-24
SE7712116L (sv) 1978-05-03
FR2369648A1 (fr) 1978-05-26
US4091454A (en) 1978-05-23
ES462537A1 (es) 1978-07-16
GB1581483A (en) 1980-12-17
IL52888A (en) 1979-11-30
PH19363A (en) 1986-04-02
DE2739724B2 (ja) 1978-12-07
SU971122A3 (ru) 1982-10-30
ATA637177A (de) 1979-08-15
BR7707403A (pt) 1978-08-22
NL7711511A (nl) 1978-05-05
CA1100632A (en) 1981-05-05
IL52888A0 (en) 1977-11-30
JPS5716424B2 (ja) 1982-04-05
CH622641A5 (ja) 1981-04-15
YU254577A (en) 1982-02-28
DD133379A5 (de) 1978-12-27
AU2982077A (en) 1979-05-24
AR225269A1 (es) 1982-03-15

Similar Documents

Publication Publication Date Title
SE426111B (sv) Centreringsanordning for en uppteckningsskiva
US4068268A (en) Method and apparatus for writing servo-tracks on rotating magnetic memory surfaces
EP0479703A1 (en) Method and apparatus for positioning transducers
US6765737B1 (en) Variable track densities on a recording medium to compensate for non-repeatable runout (NRRO) error
US20080055773A1 (en) Multi-Platter Flexible Media Disk Drive Arrangement
CA1205189A (en) Method and apparatus for disk drive alignment
KR20010113822A (ko) 디스크 드라이브 내에 디스크를 클램핑 하기 위한 싱글디스크 클램프 너트
US4633343A (en) Method of and apparatus for writing data on a recording medium and the medium so produced
US6288867B1 (en) Counter balance disc spacer for hard disc drives
US6600628B2 (en) Air centering disk chuck
US6081990A (en) Method for incorporating disk media into magnetic disk drive
US6874219B2 (en) System, method, and apparatus for preventing rotation of a disk clamp while being assembled to the hub of a spindle motor in a hard disk drive and fastener centering features
US6222697B1 (en) Apparatus with the method of unique disk identification for magnetic hard disk drives
JP2008217896A (ja) 磁気ディスク装置および磁気記録媒体
CN1630899A (zh) 垂直定向的伺服轨道记录器及方法
US3373414A (en) Axially and radially air bearing support
JP4117104B2 (ja) ディスク媒体組み込み方法及び装置
US6900968B2 (en) Multi-disc servo track writer vibration isolation method and apparatus
JP4926738B2 (ja) 磁気記録媒体の検査装置及び磁気記録媒体の検査方法
US6961216B2 (en) Hard disk drive with disk clamp inner wall engaging bearing sleeve outer wall
KR810000793B1 (ko) 기록 디스크
EP0305199A2 (en) Recording disk centering hub
EP1282898B1 (en) Data storage disc carrier
US7155807B2 (en) Method of centering media disks on the hub of a spindle motor in a hard disk drive
US7650686B2 (en) Servo track writer clockhead radius jig