Pressure sensitive transducer

Details Pressure sensitive transducer Pressure sensitive transducer

1975-06-18

1977-08-02

Goldberg, E. A.

Electricity: electrical systems and devices

Electrostatic capacitors

Variable

73398C, H01G 700

Patent

active

040401189

ABSTRACT:
The following specification is directed to a pressure responsive transducer utilizing dual diaphragms on opposite sides of a sandwich of substrates formed of ceramic and having an intermediate substrate in which a slot is formed to communicate with the diaphragm chamber and eliminate the need for puncturing and/or sealing of one of the diaphragms. External electrical connections to fixed capacitor plates deposited on the outer substrates of the sandwich are extended by forming a lead on the intermediate substrate which connects to the fixed plates through aligned openings in the substrates, that also communicate the chambers formed by the diaphragms.

REFERENCES:
patent: 3808480 (1974-04-01), Johnston

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