DE2016178C3 - Magnetplattenspeicher - Google Patents

Magnetplattenspeicher

Info

Publication number
DE2016178C3
DE2016178C3 DE2016178A DE2016178A DE2016178C3 DE 2016178 C3 DE2016178 C3 DE 2016178C3 DE 2016178 A DE2016178 A DE 2016178A DE 2016178 A DE2016178 A DE 2016178A DE 2016178 C3 DE2016178 C3 DE 2016178C3
Authority
DE
Germany
Prior art keywords
core
disk storage
magnetic disk
disc
magnetic
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
Application number
DE2016178A
Other languages
German (de)
English (en)
Other versions
DE2016178A1 (de
DE2016178B2 (de
Inventor
Robert Avron Newbury Park Calif. Rosenblum (V.St.A.)
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.)
Unisys Corp
Original Assignee
Burroughs 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 Burroughs Corp filed Critical Burroughs Corp
Publication of DE2016178A1 publication Critical patent/DE2016178A1/de
Publication of DE2016178B2 publication Critical patent/DE2016178B2/de
Application granted granted Critical
Publication of DE2016178C3 publication Critical patent/DE2016178C3/de
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/74—Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum
    • G11B5/82—Disk carriers
    • 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
    • G11B17/32—Maintaining desired spacing between record carrier and head, e.g. by fluid-dynamic spacing

Landscapes

  • Magnetic Record Carriers (AREA)
  • Rotational Drive Of Disk (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Paints Or Removers (AREA)
  • Holding Or Fastening Of Disk On Rotational Shaft (AREA)
DE2016178A 1969-04-08 1970-04-04 Magnetplattenspeicher Expired DE2016178C3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US81438469A 1969-04-08 1969-04-08

Publications (3)

Publication Number Publication Date
DE2016178A1 DE2016178A1 (de) 1970-11-12
DE2016178B2 DE2016178B2 (de) 1973-12-20
DE2016178C3 true DE2016178C3 (de) 1974-07-25

Family

ID=25214908

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2016178A Expired DE2016178C3 (de) 1969-04-08 1970-04-04 Magnetplattenspeicher

Country Status (8)

Country Link
US (1) US3646533A (https=)
JP (1) JPS4842489B1 (https=)
BE (1) BE748680A (https=)
CA (1) CA925613A (https=)
DE (1) DE2016178C3 (https=)
FR (1) FR2043026A5 (https=)
GB (1) GB1257281A (https=)
NL (1) NL7005043A (https=)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3964101A (en) * 1973-06-15 1976-06-15 Tetsuo Hino Magnetic recording disc
EP0047330B1 (de) * 1980-09-06 1984-06-13 Ibm Deutschland Gmbh Magnetplatten-Trägerkern aus faserverstärktem Kunststoff
EP0071651B1 (de) * 1981-07-23 1987-06-03 Ibm Deutschland Gmbh Magnetplattensubstrat mit aus Kunststoff bestehendem Kern
US4558383A (en) * 1983-06-30 1985-12-10 International Business Machines Corporation Information storage disk transducer position control system using a prerecorded servo pattern requiring no alignment with the storage disk
JPS6022733A (ja) * 1983-07-19 1985-02-05 Hitachi Metals Ltd 磁気デイスク基板
US4680211A (en) * 1985-07-25 1987-07-14 The Dow Chemical Company Recording disks
JP3935976B2 (ja) * 1995-02-08 2007-06-27 ヒューレット・パッカード・カンパニー 半導体層構造および大容量メモリ装置の記録媒体
US6055140A (en) 1997-07-25 2000-04-25 Seagate Technology, Inc. Rigid disc plastic substrate with high stiffness insert
US7227717B1 (en) * 2001-06-18 2007-06-05 Seagate Technology Llc Asymmetric disk surface properties in one head disk drives
FR2845512A1 (fr) * 2002-10-03 2004-04-09 Commissariat Energie Atomique Dispositif d'enregistrement de donnees comportant un support de memoire en forme de membrane
FR2845513B1 (fr) * 2002-10-03 2006-08-11 Commissariat Energie Atomique Dispositif d'enregistrement de donnees comportant un support de memoire en forme de membrane

Also Published As

Publication number Publication date
DE2016178A1 (de) 1970-11-12
BE748680A (fr) 1970-09-06
US3646533A (en) 1972-02-29
JPS4842489B1 (https=) 1973-12-13
DE2016178B2 (de) 1973-12-20
CA925613A (en) 1973-05-01
FR2043026A5 (https=) 1971-02-12
NL7005043A (https=) 1970-10-12
GB1257281A (https=) 1971-12-15

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
E77 Valid patent as to the heymanns-index 1977