Acceleration sensor

Details Acceleration sensor Acceleration sensor

1990-05-29

1992-07-14

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

73654, 310344, 310346, 310319, H01L 4108

Patent

active

051306000

ABSTRACT:
This invention relates to an acceleration sensor having less output drift due to temperature change and noise due to external induction which includes a piezoelectric device formed of a piezoelectric member having one or more electrodes provided on each of sides thereof and a lining member of low linear expansion coefficient adhered to one side thereof. A low linear expansion coefficient circuit substrate is provided having the piezoelectric device adhered to one side thereof and having a signal processing electronic circuit formed on the other side thereof. A cabinet having three layers, including an internal conductive resin layer, an adiabatic resin layer, and an external conductive metal layer, completely enclose the piezoelectric device and the circuit substrate.

REFERENCES:
patent: 2509478 (1950-05-01), Caroselli
patent: 3441754 (1969-04-01), Heny
patent: 4356423 (1982-10-01), Gudzin
patent: 4825117 (1989-04-01), Thomas, III et al.
patent: 5030875 (1991-07-01), Knecht

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