Surface acoustic wave element

Details Surface acoustic wave element Surface acoustic wave element

2008-01-22

2008-01-22

Summons, Barbara (Department: 2817)

Wave transmission lines and networks

Coupling networks

Electromechanical filter

C310S31300R

Reexamination Certificate

active

07321279

ABSTRACT:
A surface acoustic wave element includes a pair of interdigital transducers arranged in parallel with a propagation direction of a surface acoustic wave; a reflector prepared at both sides of the interdigital transducers; and a coupling portion, which mutually couples one end of a plurality of electrode fingers constituting one electrode portion of each interdigital transducer to be in common, wherein each of the electrode fingers includes a plurality of straight line portions that intersect with the coupling portion, and a bending portion prepared between these straight line portions.

REFERENCES:
patent: 4081769 (1978-03-01), Shreve
patent: 6384698 (2002-05-01), Hayashi
patent: 7038560 (2006-05-01), Yoneya
patent: 7138890 (2006-11-01), Nakamura et al.
patent: 60-43912 (1985-03-01), None
patent: 11-17493 (1999-01-01), None
patent: WO00-67374 (2000-09-01), None
Communication from European Patent Office re: related application, dated Aug. 2005.

Affiliated with

Also associated with

Rating

Surface acoustic wave element does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Surface acoustic wave element, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Surface acoustic wave element will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2768806