H - Electricity – 04 – R
Patent
H - Electricity
04
R
H04R 17/00 (2006.01) H03H 9/02 (2006.01) H03H 9/145 (2006.01) H03H 9/64 (2006.01)
Patent
CA 2069370
An interdigital transducer for use in a surface acoustic wave filter has two busbars of an irregular shape to reduce the effect of internally reflected surface waves. The busbars will usually have an identical shape to one another and have stepped outer and inner edges. The distance between a portion of the outer edge and a corresponding portion of the inner edge can be constant for a particular busbar or that distance can vary. With previous busbars, the outer and inner edges are linear and each busbar has a rectangular shape.
Bereskin & Parr
Com Dev Limited
LandOfFree
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