Garnet film for magnetic bubble element

Details Garnet film for magnetic bubble element Garnet film for magnetic bubble element

1981-06-29

1983-08-09

McCamish, Marion

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Physical dimension specified

252 6257, 252 6259, 252 626, 428692, 428693, 428900, 428910, G11B 564, B01N 1700

Patent

active

043979122

ABSTRACT:
Herein disclosed is a magnetic garnet film for a magnetic bubble element, in which the temperature changing rate of a bubble collapse field is reduced by Gd and Ga and in which the operating characteristics of the bubbles are improved by La and Lu. The temperature coefficient of the bubble collapse field is -0.24 to 0%/.degree. C., and the operating characteristics are remarkably excellent, therefore, this garnet film is suitable for the small bubbles with a diameter smaller than or equal to 1 .mu.m.

REFERENCES:
patent: 3995093 (1976-11-01), Heinz
patent: 4183999 (1980-01-01), Ota et al.
patent: 4239805 (1980-12-01), Jonker
patent: 4267230 (1981-05-01), Ohta et al.
patent: 4322454 (1982-03-01), Challeton et al.
patent: 4338372 (1982-07-01), Ohta et al.

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