CA1135852A - Bubble memory chip and method for manufacture - Google Patents

Bubble memory chip and method for manufacture

Info

Publication number
CA1135852A
CA1135852A CA000342357A CA342357A CA1135852A CA 1135852 A CA1135852 A CA 1135852A CA 000342357 A CA000342357 A CA 000342357A CA 342357 A CA342357 A CA 342357A CA 1135852 A CA1135852 A CA 1135852A
Authority
CA
Canada
Prior art keywords
layer
conductor
dielectric
resist material
chip
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
CA000342357A
Other languages
English (en)
French (fr)
Inventor
Gene P. Bonnie
Steven C. Schuster
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.)
Control Data Corp
Original Assignee
Control Data 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 Control Data Corp filed Critical Control Data Corp
Application granted granted Critical
Publication of CA1135852A publication Critical patent/CA1135852A/en
Expired 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/32—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying conductive, insulating or magnetic material on a magnetic film, specially adapted for a thin magnetic film
    • H01F41/34—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying conductive, insulating or magnetic material on a magnetic film, specially adapted for a thin magnetic film in patterns, e.g. by lithography

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Thin Magnetic Films (AREA)
  • Semiconductor Memories (AREA)
  • Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
  • Semiconductor Integrated Circuits (AREA)
CA000342357A 1979-03-27 1979-12-20 Bubble memory chip and method for manufacture Expired CA1135852A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US2399579A 1979-03-27 1979-03-27
US23,995 1979-03-27

Publications (1)

Publication Number Publication Date
CA1135852A true CA1135852A (en) 1982-11-16

Family

ID=21818297

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000342357A Expired CA1135852A (en) 1979-03-27 1979-12-20 Bubble memory chip and method for manufacture

Country Status (6)

Country Link
JP (1) JPS598908B2 (de)
AU (1) AU532007B2 (de)
CA (1) CA1135852A (de)
DE (1) DE2947952C2 (de)
FR (1) FR2452762A1 (de)
GB (1) GB2046040B (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2539556B1 (fr) * 1983-01-13 1986-03-28 Commissariat Energie Atomique Procede de fabrication de conducteurs pour circuits integres, en technologie planar

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3985597A (en) * 1975-05-01 1976-10-12 International Business Machines Corporation Process for forming passivated metal interconnection system with a planar surface
US4088490A (en) * 1976-06-14 1978-05-09 International Business Machines Corporation Single level masking process with two positive photoresist layers
US4178635A (en) * 1976-06-14 1979-12-11 Hewlett-Packard Company Planar and near planar magnetic bubble circuits
US4092442A (en) * 1976-12-30 1978-05-30 International Business Machines Corporation Method of depositing thin films utilizing a polyimide mask

Also Published As

Publication number Publication date
JPS55132588A (en) 1980-10-15
AU5501180A (en) 1980-10-02
DE2947952C2 (de) 1985-01-10
DE2947952A1 (de) 1980-10-09
FR2452762B1 (de) 1985-05-10
AU532007B2 (en) 1983-09-15
JPS598908B2 (ja) 1984-02-28
GB2046040B (en) 1983-03-16
GB2046040A (en) 1980-11-05
FR2452762A1 (fr) 1980-10-24

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Legal Events

Date Code Title Description
MKEX Expiry