Surface wave device having enhanced reflectivity gratings

Details Surface wave device having enhanced reflectivity gratings Surface wave device having enhanced reflectivity gratings

H - Electricity

03

H

333/58, 349/59.1

H03H 9/25 (2006.01) G10K 11/36 (2006.01) H03H 3/08 (2006.01) H03H 9/02 (2006.01) H03H 9/145 (2006.01)

Patent

CA 1113554

Abstract of the Disclosure Surface acoustic wave devices are disclosed which have enhanced reflectivity gratings with conductive stripes between grooves in the substrate or conductive stripes within the grooves. For lithium niobate substrates, aluminum stripes coupled together and positioned between grooves or unconnected and positioned within the grooves are preferred. For quartz substrates, gold stripes within the grooves are used. Methods for fabricating such structures are also disclosed. * The invention herein described was made in the course of or under a contract or subcontract thereunder, with the Department of the Army.

302106

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