Matrix switch having piezoelectric characteristics

Details Matrix switch having piezoelectric characteristics Matrix switch having piezoelectric characteristics

H - Electricity

01

L

340/175, 349/67.

H01L 41/04 (2006.01) H03K 17/94 (2006.01) H03K 17/96 (2006.01)

Patent

CA 1057202

ABSTRACT OF THE DISCLOSURE A matrix switch comprises a lamination of several layers in which first and second piezoelectric films have row and column electrodes, respectively, arranged in parallel on their first surfaces. A ground electrode is between said row and column electrodes. The operating electrodes are at cross points which are deformable to result in two piezoelectric output signals from each cross point; one between ground and an operating row electrode, and the other between ground and an operating column electrode.

251533

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