Magnetostatic wave device

Details Magnetostatic wave device Magnetostatic wave device

1997-06-16

1999-11-16

Kiliman, Leszek

Stock material or miscellaneous articles

Composite

Of inorganic material

428694GT, 428694ST, 428900, 385 1, 385 6, 385130, 359280, 359282, 333134, 333147, 333148, 333150, 333156, 333193, 333201, 252 6251, 252 6256, 252 6257, G11B 566

Patent

active

059854723

ABSTRACT:
There is provided a magnetostatic wave device which operates even with a substitution R, A:YIG having a small film thickness and which has a wider operational frequency band. A magnetostatic wave device comprising a magnetic garnet film is provided which is made of a material expressed by a general formula: (Y.sub.1-r R.sub.r).sub.3 (Fe.sub.1-a A.sub.a).sub.5 O.sub.12 where R is at least one selected from among La, Bi, Gd and Lu; A is at least one selected from among Al, Ga, In and Sc; r and a are within the ranges 0.ltoreq.r.ltoreq.1 and 0.ltoreq.a<1, respectively; and r and a can not be zero at the same time. Further, the crystal structure of said magnetic garnet film is a superlattice.

REFERENCES:
patent: 5601935 (1997-02-01), Fujino et al.

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