Semiconductor pressure sensor

Details Semiconductor pressure sensor Semiconductor pressure sensor

1982-04-06

1983-11-08

Woodiel, Donald O.

Measuring and testing

Fluid pressure gauge

Electrical

73DIG4, 73115, 307 91, 333 12, G01L 908

Patent

active

044135270

ABSTRACT:
A semiconductor pressure sensor has an encased sensor unit, and a metal casing having a pressure introduction pipe and housing therein the sensor unit. The metal casing has therein synthetic resin poured by potting to fix the sensor unit securely in the metal casing. Through-type capacitors are affixed to the metal casing. The sensor unit produces an electrical signal transmitted out through the through-type capacitors and over lead wires connected to the through-type capacitors. With this arrangement, the semiconductor pressure sensor is protected against electromagnetic interference (EMI), and moisture is prevented from entering the metal casing.

REFERENCES:
patent: 3212004 (1965-10-01), Rumoller
patent: 4325260 (1982-04-01), Takahashi et al.
patent: 4348331 (1983-05-01), Fukuhare et al.

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