Surface acoustic wave resonator and surface acoustic wave...

Details Surface acoustic wave resonator and surface acoustic wave... Surface acoustic wave resonator and surface acoustic wave...

2005-09-20

2005-09-20

Summons, Barbara (Department: 2817)

Wave transmission lines and networks

Coupling networks

Electromechanical filter

C333S196000, C310S31300R, C310S31300R

Reexamination Certificate

active

06946931

ABSTRACT:
A surface acoustic wave resonator includes a piezoelectric substrate, and a SAW resonator having an interdigital transducer. The interdigital transducer satisfies 0.15L≦W≦0.45L where W is the total of widths of all electrode fingers that form the interdigital transducer, and L is a length of the said interdigital transducer in a direction of SAW propagation.

REFERENCES:
patent: 5654680 (1997-08-01), Kwan et al.
patent: 5729186 (1998-03-01), Seki et al.
patent: 5874869 (1999-02-01), Ueda et al.
patent: 6025763 (2000-02-01), Morimoto
patent: 6121860 (2000-09-01), Tsutsumi et al.
patent: 6377138 (2002-04-01), Takagi et al.
patent: 6404101 (2002-06-01), Taniguchi et al.
patent: 6501208 (2002-12-01), Kuroda
patent: 6522219 (2003-02-01), Takamiya et al.
patent: 6557225 (2003-05-01), Takata et al.
patent: 6570470 (2003-05-01), Maehara et al.
patent: 56-43818 (1981-04-01), None
patent: 63-82113 (1988-04-01), None
patent: 7-307640 (1995-11-01), None
patent: 10-32463 (1998-02-01), None
patent: 11-163664 (1999-06-01), None
patent: 11-191720 (1999-07-01), None
patent: 2002-17679 (2002-08-01), None
patent: WO 99/04489 (1999-01-01), None
“A Low-Loss Band-Pass Filter Using SAW Resonators”, Satoh et al,Institute of Electronics, Information and Communication Engineers,vol. J 76-A, No. 2, Feb. 1993, pp. 245-252.

Affiliated with

Also associated with

Rating

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3371471