Magnetic bubble memory device

Details Magnetic bubble memory device Magnetic bubble memory device

1987-02-09

1988-07-05

Robinson, Ellis P.

Stock material or miscellaneous articles

Composite

365 33, 427131, 427132, 428415, 428416, 428447, 428450, 428458, 428460, 4284735, 428692, 428900, G11C 1908

Patent

active

047554304

ABSTRACT:
A hybrid magnetic bubble memory device comprising soft magnetic material propagation tracks and ion-implanted propagation tracks. In the soft magnetic material propagation track region, a layer made of a heat-resistant polymer was provided as an interlaminar insulating layer between a conductor and a pattern of a soft magnetic material. An insulator film made of a heat-resistant polymer was provided on the pattern made of a soft magnetic material. A passivation film made of an inorganic material was provided on the ion-implanted propagation tracks and the insulator film made of a heat-resistant polymer.

REFERENCES:
patent: 4187553 (1980-02-01), Ahn
patent: 4317700 (1982-03-01), Tanaka
patent: 4369209 (1983-01-01), Iwashimizu
patent: 4372985 (1983-02-01), Bailey
patent: 4407859 (1983-10-01), Jones
patent: 4470873 (1984-09-01), Nakamura
patent: 4664941 (1987-05-01), Washburn

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