SE426111B - Centreringsanordning for en uppteckningsskiva - Google Patents

Centreringsanordning for en uppteckningsskiva

Info

Publication number: SE426111B
Authority: SE; Sweden
Prior art keywords: disc; hub; discs; drive; disk
Prior art date: 1976-11-02

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.)

1976-11-02

Filing date

1977-10-27

Publication date

1982-12-06

1977-10-27 Application filed by Ibm filed Critical Ibm

1978-05-03 Publication of SE7712116L publication Critical patent/SE7712116L/xx

1982-12-06 Publication of SE426111B publication Critical patent/SE426111B/sv

Links

230000015654 memory Effects 0.000 claims description 7
UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 6
230000008901 benefit Effects 0.000 claims description 5
239000000463 material Substances 0.000 claims description 5
230000003287 optical effect Effects 0.000 claims description 5
238000012545 processing Methods 0.000 claims description 5
239000000758 substrate Substances 0.000 claims description 5
XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
229910052782 aluminium Inorganic materials 0.000 claims description 4
239000011248 coating agent Substances 0.000 claims description 3
238000000576 coating method Methods 0.000 claims description 3
239000011521 glass Substances 0.000 claims 1
238000012986 modification Methods 0.000 claims 1
230000004048 modification Effects 0.000 claims 1
238000004321 preservation Methods 0.000 claims 1
230000007547 defect Effects 0.000 description 10
238000012360 testing method Methods 0.000 description 5
230000007704 transition Effects 0.000 description 4
230000008859 change Effects 0.000 description 2
238000009826 distribution Methods 0.000 description 2
230000007246 mechanism Effects 0.000 description 2
238000010561 standard procedure Methods 0.000 description 2
229910000838 Al alloy Inorganic materials 0.000 description 1
230000001154 acute effect Effects 0.000 description 1
239000011230 binding agent Substances 0.000 description 1
238000006243 chemical reaction Methods 0.000 description 1
230000000694 effects Effects 0.000 description 1
230000004807 localization Effects 0.000 description 1
WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
238000013507 mapping Methods 0.000 description 1
238000012856 packing Methods 0.000 description 1
238000003825 pressing Methods 0.000 description 1
238000003908 quality control method Methods 0.000 description 1
230000008439 repair process Effects 0.000 description 1
125000006850 spacer group Chemical group 0.000 description 1
238000003860 storage Methods 0.000 description 1
238000005728 strengthening Methods 0.000 description 1
238000012795 verification Methods 0.000 description 1

Classifications

- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
- G11B17/02—Details
- G11B17/038—Centering or locking of a plurality of discs in a single cartridge
- 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
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F10/00—Thin magnetic films, e.g. of one-domain structure
- H01F10/08—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers
- H01F10/10—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers characterised by the composition
- H01F10/18—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers characterised by the composition being compounds
- H01F10/20—Ferrites

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

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 (de) *	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
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
US5982736A (en)	1997-05-15	1999-11-09	Pierson; Gerald A.	Trading card optical compact disc and methods of using and forming 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
US9869409B2 (en) *	2013-01-15	2018-01-16	Vistadeltek, Llc	Gasket retainer for surface mount fluid component
US10502321B2 (en)	2014-01-14	2019-12-10	Compart Systems Pte, Ltd.	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
US3144642A (en) *	1960-12-30	1964-08-11	Ibm	Random access file with stationary records
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 (de) *	1973-06-14	1978-03-22
JPS5159205U (de) *	1974-11-01	1976-05-10

1976
- 1976-11-02 US US05/737,947 patent/US4091454A/en not_active Expired - Lifetime
1977
- 1977-08-19 CH CH1019277A patent/CH622641A5/de not_active IP Right Cessation
- 1977-09-02 IL IL52888A patent/IL52888A/xx unknown
- 1977-09-03 DE DE2739724A patent/DE2739724C3/de not_active Expired
- 1977-09-05 AT AT637177A patent/AT355820B/de not_active IP Right Cessation
- 1977-09-14 FR FR7728524A patent/FR2369648A1/fr active Granted
- 1977-09-22 ES ES462537A patent/ES462537A1/es not_active Expired
- 1977-09-26 CA CA287,546A patent/CA1100632A/en not_active Expired
- 1977-10-14 JP JP12258977A patent/JPS5357011A/ja active Granted
- 1977-10-14 IT IT7728588A patent/IT1115682B/it active
- 1977-10-18 GB GB43226/77A patent/GB1581483A/en not_active Expired
- 1977-10-18 AU AU29820/77A patent/AU510780B2/en not_active Expired
- 1977-10-20 NL NL7711511A patent/NL7711511A/xx not_active Application Discontinuation
- 1977-10-24 YU YU02545/77A patent/YU254577A/xx unknown
- 1977-10-27 SE SE7712116A patent/SE426111B/sv unknown
- 1977-10-28 SU SU772537049A patent/SU971122A3/ru active
- 1977-10-28 PH PH20377A patent/PH19363A/en unknown
- 1977-10-31 DD DD7700201779A patent/DD133379A5/de unknown
- 1977-10-31 AR AR269800A patent/AR225269A1/es active
- 1977-11-02 CS CS777146A patent/CS714677A2/cs unknown
- 1977-11-03 BR BR7707403A patent/BR7707403A/pt unknown

Also Published As

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

Publication	Publication Date	Title
SE426111B (sv)	1982-12-06	Centreringsanordning for en uppteckningsskiva
US4068268A (en)	1978-01-10	Method and apparatus for writing servo-tracks on rotating magnetic memory surfaces
EP0479703A1 (de)	1992-04-08	Verfahren und Vorrichtung zum Positionieren von Wandlern
US6765737B1 (en)	2004-07-20	Variable track densities on a recording medium to compensate for non-repeatable runout (NRRO) error
CA1205189A (en)	1986-05-27	Method and apparatus for disk drive alignment
KR890005733A (ko)	1989-05-16	가요성 디스크 카셋트
KR20010113822A (ko)	2001-12-28	디스크 드라이브 내에 디스크를 클램핑 하기 위한 싱글디스크 클램프 너트
US4633343A (en)	1986-12-30	Method of and apparatus for writing data on a recording medium and the medium so produced
US6288867B1 (en)	2001-09-11	Counter balance disc spacer for hard disc drives
US6600628B2 (en)	2003-07-29	Air centering disk chuck
US6081990A (en)	2000-07-04	Method for incorporating disk media into magnetic disk drive
US5715114A (en)	1998-02-03	Multi-piece hub for supporting recording disks in a hard disk drive
US6874219B2 (en)	2005-04-05	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)	2001-04-24	Apparatus with the method of unique disk identification for magnetic hard disk drives
JP2008217896A (ja)	2008-09-18	磁気ディスク装置および磁気記録媒体
CN1630899A (zh)	2005-06-22	垂直定向的伺服轨道记录器及方法
US3373414A (en)	1968-03-12	Axially and radially air bearing support
JP4117104B2 (ja)	2008-07-16	ディスク媒体組み込み方法及び装置
US6900968B2 (en)	2005-05-31	Multi-disc servo track writer vibration isolation method and apparatus
JP4926738B2 (ja)	2012-05-09	磁気記録媒体の検査装置及び磁気記録媒体の検査方法
KR810000793B1 (ko)	1981-07-06	기록 디스크
EP0305199A2 (de)	1989-03-01	Zentriernabe für eine Aufzeichnungsplatte
EP1282898B1 (de)	2007-04-11	Träger für datenspeicherplatten
US7155807B2 (en)	2007-01-02	Method of centering media disks on the hub of a spindle motor in a hard disk drive
US7650686B2 (en)	2010-01-26	Servo track writer clockhead radius jig