Pressure sensor having a resistor element on a glass dryer with

Details Pressure sensor having a resistor element on a glass dryer with Pressure sensor having a resistor element on a glass dryer with

1993-03-16

1995-04-18

Noland, Thomas P.

Measuring and testing

Fluid pressure gauge

Diaphragm

73115, 428 346, 338114, G01L 906

Patent

active

054068525

ABSTRACT:
A pressure sensor including a plate-shaped metal substrate; a glass layer provided on a surface of the metal substrate and mainly containing a partially devitrified enamel composition; a resistor element which is provided on a surface of the glass layer and has an electric resistance changed in accordance with the degree of strain thereof; and a pair of electrodes connected to the resistor element. The resistor element is provided so as to receive a stress, a pressure, or a load applied perpendicularly to a surface thereof. Alternatively, both surfaces of the metal substrate are provided with glass layers, respectively, and the resistor element is provided on one of the glass layers.

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patent: 5242722 (1993-09-01), Hiraka et al.
European Search Report Appl. 93104450.7 mailed Sep. 12, 1993.

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