Electricity: magnetically operated switches – magnets – and electr – Magnets and electromagnets – Magnet structure or material
Patent
1991-01-14
1993-03-02
Picard, Leo P.
Electricity: magnetically operated switches, magnets, and electr
Magnets and electromagnets
Magnet structure or material
333202, 333204, 333219, H01F 702
Patent
active
051913089
ABSTRACT:
This magnetostatic wave device includes a ferrimagnetic substrate like, for example, a YIG thin film. On this ferrimagnetic substrate a strip line is formed. One end of the strip line is connected to an input terminal and the other end is connented to an output terminal. A magnetic field is applied to the ferrimagnetic substrate by a magnet. In this case, the ferrimagnetic substrate is so disposed that a direction parallel to its principal plane and a direction perpendicular to its principal plane are not parallel to the direction of a line of magnetic force of the magnet.
REFERENCES:
patent: 4743874 (1988-10-01), Kinoshita et al.
patent: 4777462 (1988-10-01), Kunz et al.
patent: 4782312 (1988-11-01), Chang et al.
patent: 4939488 (1990-07-01), Tsutsumi
patent: 4968954 (1990-11-01), Ryho et al.
patent: 4985709 (1991-01-01), Nishikawa
Electronics and Communications in Japan, vol. 55-B, No. 11, Nov. 1972, New York, pp. 43-49; Makoto Tsutsumi: "Magnetostatic Surface Waves in YIG Slabs Arbitrarily Magnetized Orthogonal to Direction of Propagation".
Nishikawa Toshio
Tsutsumi Makoto
Korka Trinidad
Murata Manufacturing Co. Ltd.
Picard Leo P.
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