FR2337400A1 - Procede et appareil pour l'emmagasinage a forte densite de domaines en forme de bulles - Google Patents

Procede et appareil pour l'emmagasinage a forte densite de domaines en forme de bulles

Info

Publication number
FR2337400A1
FR2337400A1 FR7636410A FR7636410A FR2337400A1 FR 2337400 A1 FR2337400 A1 FR 2337400A1 FR 7636410 A FR7636410 A FR 7636410A FR 7636410 A FR7636410 A FR 7636410A FR 2337400 A1 FR2337400 A1 FR 2337400A1
Authority
FR
France
Prior art keywords
bubble
density storage
shaped domains
domains
shaped
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.)
Granted
Application number
FR7636410A
Other languages
English (en)
French (fr)
Other versions
FR2337400B1 (en:Method
Inventor
George E Keefe
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of FR2337400A1 publication Critical patent/FR2337400A1/fr
Application granted granted Critical
Publication of FR2337400B1 publication Critical patent/FR2337400B1/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C19/00—Digital stores in which the information is moved stepwise, e.g. shift registers
    • G11C19/02—Digital stores in which the information is moved stepwise, e.g. shift registers using magnetic elements
    • G11C19/08—Digital stores in which the information is moved stepwise, e.g. shift registers using magnetic elements using thin films in plane structure
    • G11C19/0875—Organisation of a plurality of magnetic shift registers
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C19/00—Digital stores in which the information is moved stepwise, e.g. shift registers
    • G11C19/02—Digital stores in which the information is moved stepwise, e.g. shift registers using magnetic elements
    • G11C19/08—Digital stores in which the information is moved stepwise, e.g. shift registers using magnetic elements using thin films in plane structure
    • G11C19/0875—Organisation of a plurality of magnetic shift registers
    • G11C19/0883—Means for switching magnetic domains from one path into another path, i.e. transfer switches, swap gates or decoders
FR7636410A 1975-12-31 1976-11-29 Procede et appareil pour l'emmagasinage a forte densite de domaines en forme de bulles Granted FR2337400A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US64597575A 1975-12-31 1975-12-31

Publications (2)

Publication Number Publication Date
FR2337400A1 true FR2337400A1 (fr) 1977-07-29
FR2337400B1 FR2337400B1 (en:Method) 1980-10-24

Family

ID=24591228

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7636410A Granted FR2337400A1 (fr) 1975-12-31 1976-11-29 Procede et appareil pour l'emmagasinage a forte densite de domaines en forme de bulles

Country Status (5)

Country Link
US (1) US4164029A (en:Method)
JP (1) JPS5283140A (en:Method)
DE (1) DE2652032A1 (en:Method)
FR (1) FR2337400A1 (en:Method)
GB (1) GB1527005A (en:Method)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55153189A (en) * 1979-05-17 1980-11-28 Fujitsu Ltd Manufacture of magnetic bubble unit
US4308592A (en) * 1979-06-29 1981-12-29 International Business Machines Corporation Patterned kill of magnetoresistive layer in bubble domain chip
US4249249A (en) * 1979-12-03 1981-02-03 Bell Telephone Laboratories, Incorporated Ion-implanted bubble memory
JPS5680876A (en) * 1979-12-03 1981-07-02 Fujitsu Ltd Magnetic bubble memory chip
US4263662A (en) * 1979-12-28 1981-04-21 International Business Machines Corporation Guard rail for contiguous element bubble chips
FR2480983A1 (fr) * 1980-04-18 1981-10-23 Commissariat Energie Atomique Memoire a bulles magnetiques
JPS57170510A (en) * 1981-04-15 1982-10-20 Hitachi Ltd Method of ion implantation
JPS57186287A (en) * 1981-05-11 1982-11-16 Hitachi Ltd Magnetic bubble element
US4423489A (en) * 1981-05-14 1983-12-27 Rockwell International Corporation Replicator for ion-implanted bubble domain devices using stretching action of charged wall
JPS5896705A (ja) * 1981-12-04 1983-06-08 Hitachi Ltd 磁気バブルメモリ素子
US4453217A (en) * 1982-01-04 1984-06-05 Bell Telephone Laboratories, Incorporated Directory lookup method and apparatus
CA1197924A (en) * 1982-06-23 1985-12-10 Yoshio Satoh Magnetic bubble memory device
JPS63146691A (ja) * 1986-12-10 1988-06-18 Matsushita Electric Ind Co Ltd 動電型スピ−カ
JPH02172091A (ja) * 1988-12-23 1990-07-03 Hitachi Ltd 磁気バブルメモリ素子

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3618054A (en) * 1969-11-10 1971-11-02 Bell Telephone Labor Inc Magnetic domain storage organization
US3691540A (en) * 1970-10-06 1972-09-12 Ibm Integrated magneto-resistive sensing of bubble domains
US3701125A (en) * 1970-12-31 1972-10-24 Ibm Self-contained magnetic bubble domain memory chip
US3828329A (en) * 1972-07-24 1974-08-06 Bell Telephone Labor Inc Single wall domain propagation arrangement
JPS5620683B2 (en:Method) * 1972-12-27 1981-05-15
JPS5054252A (en:Method) * 1973-09-10 1975-05-13
JPS5093083A (en:Method) * 1973-12-17 1975-07-24
US4040019A (en) * 1974-08-23 1977-08-02 Texas Instruments Incorporated Ion implanted magnetic bubble memory device having major and minor rows
US3967002A (en) * 1974-12-31 1976-06-29 International Business Machines Corporation Method for making high density magnetic bubble domain system

Also Published As

Publication number Publication date
JPS5283140A (en) 1977-07-11
FR2337400B1 (en:Method) 1980-10-24
DE2652032A1 (de) 1977-07-14
GB1527005A (en) 1978-10-04
US4164029A (en) 1979-08-07
JPS5652392B2 (en:Method) 1981-12-11

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Legal Events

Date Code Title Description
ST Notification of lapse