JPS5794980A - Magnetic bubble memory element - Google Patents

Magnetic bubble memory element

Info

Publication number
JPS5794980A
JPS5794980A JP17008280A JP17008280A JPS5794980A JP S5794980 A JPS5794980 A JP S5794980A JP 17008280 A JP17008280 A JP 17008280A JP 17008280 A JP17008280 A JP 17008280A JP S5794980 A JPS5794980 A JP S5794980A
Authority
JP
Japan
Prior art keywords
magnetic
bubbles
magnetic film
magnetic field
differing
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
JP17008280A
Other languages
Japanese (ja)
Other versions
JPS6346916B2 (en
Inventor
Koichi Yoshimi
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric Co 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP17008280A priority Critical patent/JPS5794980A/en
Publication of JPS5794980A publication Critical patent/JPS5794980A/en
Publication of JPS6346916B2 publication Critical patent/JPS6346916B2/ja
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

Landscapes

  • Thin Magnetic Films (AREA)

Abstract

PURPOSE:To attain the high recording density of an element by partially varying the magnetic material constant and magnetic film thickness of a magnetic film so that magnetic bubbles differing in size are retained stable with the same vertical bias magnetic field. CONSTITUTION:So that magnetic bubbles differing in size are retained stably in the same vertical bias magnetic field, bubbles on the left-hand side of a line 12-12' have a greater diameter than bubbles on the right-hand side have, and the magnetic material constant and magnetic film thickness of a magnetic film are varied partially. Then, a bubble chip 11 consists of a major loop 13, a minor loop 14, a generator 15 as a function part, a detector 16, and a transfer gate 17. Namely, the major loop 13 including the function part has the larger bubble diameter, so neither a conductor current nor a driving revolving magnetic field increases while a storage part composed of the minor loop 14 having the smaller bubble diameter increases the storage density of a chip.
JP17008280A 1980-12-02 1980-12-02 Magnetic bubble memory element Granted JPS5794980A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17008280A JPS5794980A (en) 1980-12-02 1980-12-02 Magnetic bubble memory element

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17008280A JPS5794980A (en) 1980-12-02 1980-12-02 Magnetic bubble memory element

Publications (2)

Publication Number Publication Date
JPS5794980A true JPS5794980A (en) 1982-06-12
JPS6346916B2 JPS6346916B2 (en) 1988-09-19

Family

ID=15898301

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17008280A Granted JPS5794980A (en) 1980-12-02 1980-12-02 Magnetic bubble memory element

Country Status (1)

Country Link
JP (1) JPS5794980A (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5532291A (en) * 1978-08-30 1980-03-06 Fujitsu Ltd Magnetic bubble element

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5532291A (en) * 1978-08-30 1980-03-06 Fujitsu Ltd Magnetic bubble element

Also Published As

Publication number Publication date
JPS6346916B2 (en) 1988-09-19

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