GB1471134A - Magnetic bubble devices - Google Patents

Magnetic bubble devices

Info

Publication number
GB1471134A
GB1471134A GB1087775A GB1087775A GB1471134A GB 1471134 A GB1471134 A GB 1471134A GB 1087775 A GB1087775 A GB 1087775A GB 1087775 A GB1087775 A GB 1087775A GB 1471134 A GB1471134 A GB 1471134A
Authority
GB
United Kingdom
Prior art keywords
portions
propagation
magnetic bubble
march
longitudinally
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
GB1087775A
Other languages
English (en)
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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
Priority claimed from JP2938774A external-priority patent/JPS5651433B2/ja
Priority claimed from JP49051499A external-priority patent/JPS50144345A/ja
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Publication of GB1471134A publication Critical patent/GB1471134A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C19/00Digital stores in which the information is moved stepwise, e.g. shift registers
    • G11C19/02Digital stores in which the information is moved stepwise, e.g. shift registers using magnetic elements
    • G11C19/08Digital stores in which the information is moved stepwise, e.g. shift registers using magnetic elements using thin films in plane structure
    • G11C19/0808Digital stores in which the information is moved stepwise, e.g. shift registers using magnetic elements using thin films in plane structure using magnetic domain propagation
    • G11C19/0816Digital stores in which the information is moved stepwise, e.g. shift registers using magnetic elements using thin films in plane structure using magnetic domain propagation using a rotating or alternating coplanar magnetic field
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C19/00Digital stores in which the information is moved stepwise, e.g. shift registers
    • G11C19/02Digital stores in which the information is moved stepwise, e.g. shift registers using magnetic elements
    • G11C19/08Digital stores in which the information is moved stepwise, e.g. shift registers using magnetic elements using thin films in plane structure
    • G11C19/0858Generating, replicating or annihilating magnetic domains (also comprising different types of magnetic domains, e.g. "Hard Bubbles")
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C19/00Digital stores in which the information is moved stepwise, e.g. shift registers
    • G11C19/02Digital stores in which the information is moved stepwise, e.g. shift registers using magnetic elements
    • G11C19/08Digital stores in which the information is moved stepwise, e.g. shift registers using magnetic elements using thin films in plane structure
    • G11C19/0866Detecting magnetic domains

Landscapes

  • Thin Magnetic Films (AREA)
  • Magnetic Heads (AREA)
GB1087775A 1974-03-14 1975-03-14 Magnetic bubble devices Expired GB1471134A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2938774A JPS5651433B2 (en:Method) 1974-03-14 1974-03-14
JP49051499A JPS50144345A (en:Method) 1974-05-09 1974-05-09

Publications (1)

Publication Number Publication Date
GB1471134A true GB1471134A (en) 1977-04-21

Family

ID=26367581

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1087775A Expired GB1471134A (en) 1974-03-14 1975-03-14 Magnetic bubble devices

Country Status (5)

Country Link
US (1) US4086661A (en:Method)
DE (1) DE2511286C3 (en:Method)
FR (1) FR2264361B1 (en:Method)
GB (1) GB1471134A (en:Method)
NL (1) NL170675C (en:Method)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4198691A (en) * 1976-05-21 1980-04-15 Rockwell International Corporation Compact exchange switch for bubble domain devices
NL7608003A (nl) * 1976-07-20 1978-01-24 Philips Nv Magnetische inrichting met domeinen.
US4415990A (en) * 1979-08-31 1983-11-15 Rockwell International Corporation Complementary bi-level magnetic bubble propagation circuit
JPS5712477A (en) * 1980-06-27 1982-01-22 Hitachi Ltd Magnetic bubble generator
US4357682A (en) * 1980-11-24 1982-11-02 Bell Telephone Laboratories, Incorporated Conductorless transfer for magnetic bubble memories
JPS57501803A (en:Method) * 1980-11-24 1982-10-07
US4511995A (en) * 1983-06-29 1985-04-16 Burroughs Corporation Detector-dummy detector combination which is integrated as a single element of reduced size
FR2593955B1 (fr) * 1986-02-05 1988-05-20 Sagem Dispositif de memorisation a bulles magnetiques
FR2608304B2 (fr) * 1986-02-05 1989-03-31 Sagem Dispositif de memorisation a bulles magnetiques
US20050200111A1 (en) * 2004-03-11 2005-09-15 Cymbal William D. Multi piece bearing for telescoping steering column assembly
US7516985B2 (en) * 2004-03-11 2009-04-14 Delphi Technologies, Inc. Multi piece bearing for telescoping steering column assembly
CN104993247A (zh) * 2015-06-01 2015-10-21 东南大学 各向异性双极化幻觉与隐身人工电磁表面

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3699551A (en) * 1970-10-20 1972-10-17 Bell Telephone Labor Inc Domain propagation arrangement
US3689901A (en) * 1971-05-06 1972-09-05 Bell Telephone Labor Inc Magnetic domain detector arrangement

Also Published As

Publication number Publication date
US4086661A (en) 1978-04-25
DE2511286B2 (de) 1978-03-23
FR2264361B1 (en:Method) 1981-05-29
FR2264361A1 (en:Method) 1975-10-10
DE2511286C3 (de) 1978-11-23
DE2511286A1 (de) 1975-09-25
NL170675C (nl) 1982-12-01
NL7503100A (nl) 1975-09-16

Similar Documents

Publication Publication Date Title
US3967002A (en) Method for making high density magnetic bubble domain system
GB1471134A (en) Magnetic bubble devices
US4086572A (en) Magnetic bubble domain replicator
US4075612A (en) Rounded serrated edge film strip geometry for cross-tie wall memory system
EP0011137B1 (en) Manufacture of a magnetic bubble domain chip with enhanced propagation margins
US4528645A (en) Magnetic bubble memory device
US4014009A (en) Magnetic bubble propagate arrangement
EP0030149B1 (en) Bubble memory with minor-major loop configurations
US4042916A (en) Magnetic bubble track crossover element
US3713119A (en) Domain propagation arrangement
US3914751A (en) Gapless multithickness propagation structure for magnetic domain devices
US4156935A (en) Block replicate magnetic bubble memory circuit for high speed data readout
US4791605A (en) Hybrid junction for a magnetic bubble memory
US4070659A (en) Magnetic bubble domain memory chip with major/minor bubble path configuration
US4443867A (en) Magnetic bubble store
US4357682A (en) Conductorless transfer for magnetic bubble memories
US4403304A (en) Replicator for ion-implanted bubble domain devices
JPS613387A (ja) 磁気バブルメモリ素子
JPS6134639Y2 (en:Method)
JPS6346917B2 (en:Method)
US4153947A (en) Conductor driven field access magnetic bubble memory propagation system
JPS6037759Y2 (ja) 磁気バブルメモリチツプ
US4476544A (en) Current-controlled magnetic domain memory
JPS5654688A (en) Bubble memory element
JPS5812665B2 (ja) 磁気バブル素子

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee