Method of producing a surface wave component with a drain...

Details Method of producing a surface wave component with a drain... Method of producing a surface wave component with a drain...

2005-08-23

2005-08-23

Tugbang, A. Dexter (Department: 3729)

Metal working

Piezoelectric device making

C029S594000, C029S846000, C310S31300R, C310S31300R

Reexamination Certificate

active

06931699

ABSTRACT:
A method of producing a surface wave component with a drain for pyroelectric voltage includes forming electrically-conductive structures on a piezoelectric substrate. The structures form an acoustic path comprising an electroacoustic transducer. The method also includes forming a high-resistance layer on an entire surface of the substrate and on top of the electrically-conductive structures, and removing the high-resistance layer from at least a region corresponding to the electroacoustic transducer, such that at least a region outside the acoustic path remains covered by the high-resistance layer.

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