Ultra-thin piezoelectric resonator

Details Ultra-thin piezoelectric resonator Ultra-thin piezoelectric resonator

H - Electricity

03

H

H03H 9/15 (2006.01) H03H 9/05 (2006.01)

Patent

CA 2327734

Encapsulated piezoelectric resonator including on the one hand a central plate (5) made of a piezoelectric material cut to form a frame (6) and a central resonant element (9) connected to said frame (6), the top and bottom faces having a metal coating, on the other hand bottom (11) and top (16) covers, each being formed by a spacing frame (12, 17) made of metal or a metal alloy and a closing plate (14, 19) , characterised in that at least one of the elements (12, 14, 17, 19) forming the covers (11, 16) is electrically connected to the frame (6) of the central plate (5) and has an extension (10, 13, 18, 20) bent into a Z shape to bring its distal portion (10a, 13a, 18a, 20a) in line with a covering plate (14, 19) and to form electrical and mechanical connection means situated in a same plane.

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