Magnetostatic wave device containing attenuation means and the w

Details Magnetostatic wave device containing attenuation means and the w Magnetostatic wave device containing attenuation means and the w

1980-06-02

1982-02-16

Nussbaum, Marvin L.

Wave transmission lines and networks

Coupling networks

Electromechanical filter

333 24R, 333150, H03H 200

Patent

active

043161626

ABSTRACT:
The invention relates to bulk or surface magnetostatic wave devices. The invention provides in the ferrimagnetic substrate of such a device, at least one area with absorption increased by a treatment consisting in local sanding of the substrate or its support to produce several defects by the impact of abrasive particles. The invention is applicable to magnetostatic wave lines and filters.

REFERENCES:
patent: 4001796 (1977-01-01), Voegeli
patent: 4051448 (1977-09-01), Coussot
patent: 4199737 (1980-04-01), Patterson et al.
Watkins-"A Survey of Thin-Film Technology", Electronic Industries, Sep. 1961; pp. 92-98.

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