FR2641115A1 - Magnetic bubble memory device, recording method for such a device and method of operating an information storage unit incorporating such a device - Google Patents

Magnetic bubble memory device, recording method for such a device and method of operating an information storage unit incorporating such a device Download PDF

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Publication number
FR2641115A1
FR2641115A1 FR8916994A FR8916994A FR2641115A1 FR 2641115 A1 FR2641115 A1 FR 2641115A1 FR 8916994 A FR8916994 A FR 8916994A FR 8916994 A FR8916994 A FR 8916994A FR 2641115 A1 FR2641115 A1 FR 2641115A1
Authority
FR
France
Prior art keywords
magnetic
main line
secondary loop
bubble
conductor
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.)
Pending
Application number
FR8916994A
Other languages
English (en)
French (fr)
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Publication of FR2641115A1 publication Critical patent/FR2641115A1/fr
Pending legal-status Critical Current

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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
    • G11C19/0883—Means for switching magnetic domains from one path into another path, i.e. transfer switches, swap gates or decoders

Landscapes

  • Thin Magnetic Films (AREA)
FR8916994A 1988-12-23 1989-12-21 Magnetic bubble memory device, recording method for such a device and method of operating an information storage unit incorporating such a device Pending FR2641115A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63323613A JPH02172091A (ja) 1988-12-23 1988-12-23 磁気バブルメモリ素子

Publications (1)

Publication Number Publication Date
FR2641115A1 true FR2641115A1 (en) 1990-06-29

Family

ID=18156681

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8916994A Pending FR2641115A1 (en) 1988-12-23 1989-12-21 Magnetic bubble memory device, recording method for such a device and method of operating an information storage unit incorporating such a device

Country Status (2)

Country Link
JP (1) JPH02172091A (ja)
FR (1) FR2641115A1 (ja)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4164029A (en) * 1975-12-31 1979-08-07 International Business Machines Corporation Apparatus for high density bubble storage
JPS58118086A (ja) * 1981-12-29 1983-07-13 Fujitsu Ltd 磁気バブルメモリデバイスの双方向性トランスフアゲ−ト
FR2598548A1 (fr) * 1986-05-09 1987-11-13 Hitachi Ltd Dispositif de memoire a bulles magnetiques et porte utilisable pour un tel dispositif

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4164029A (en) * 1975-12-31 1979-08-07 International Business Machines Corporation Apparatus for high density bubble storage
JPS58118086A (ja) * 1981-12-29 1983-07-13 Fujitsu Ltd 磁気バブルメモリデバイスの双方向性トランスフアゲ−ト
FR2598548A1 (fr) * 1986-05-09 1987-11-13 Hitachi Ltd Dispositif de memoire a bulles magnetiques et porte utilisable pour un tel dispositif

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
IEEE TRANSACTIONS ON MAGNETICS. vol. 18, no. 6, Novembre 1982, NEW YORK US pages 1355 - 1377; SATOH ET AL: 'Cusp-to-cusp transfer gate using folded minor loop organization for ion-implanted bubble devices' *
IEEE TRANSACTIONS ON MAGNETICS. vol. 20, no. 5, Septembre 1984, NEW YORK US pages 1087 - 1089; MAGNIN ET AL: 'Two conductor levels block replication for 4um period ion-implanted devices' *
PATENT ABSTRACTS OF JAPAN vol. 7, no. 228 (P-228)(1373) 8 Octobre 1983 & JP-A-58 118 086 ( FUJITSU ) 13 Juillet 1983 *

Also Published As

Publication number Publication date
JPH02172091A (ja) 1990-07-03

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