Piezoelectric sensor

Details Piezoelectric sensor Piezoelectric sensor

2007-06-05

2009-10-20

Allen, Andre J (Department: 2855)

Measuring and testing

Fluid pressure gauge

Combined

Reexamination Certificate

active

07603906

ABSTRACT:
A piezoelectric sensor, preferably a pressure sensor, comprising at least two piezoelectric measuring elements placed in a housing, which are clamped between a membrane on the pressured side of the housing and a pick-up electrode electrically insulated against the housing. The piezoelectric measuring elements are fixedly attached to the pick-up electrode by thermo-compression or soldering and together with said pick-up electrode form a compact measuring element stack, which will significantly simplify assembly of the piezoelectric sensor.

REFERENCES:
patent: 2003/0098632 (2003-05-01), Takeuchi et al.
patent: 2005/0099096 (2005-05-01), Baumgartner et al.
patent: 2007/0199376 (2007-08-01), Cavalloni et al.
patent: 1283552 (2003-02-01), None
patent: 2022261 (1979-12-01), None
patent: 1052230 (1996-12-01), None
patent: 9016087 (1990-12-01), None
patent: 2005026678 (2005-03-01), None
English Abstract of EP 1283552.

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