Sculptured pressure diaphragm

Details Sculptured pressure diaphragm Sculptured pressure diaphragm

1976-05-14

1978-06-06

Albritton, C. L.

Electrical resistors

Resistance value responsive to a condition

Fluid- or gas pressure-actuated

73 885SD, H01L 1010

Patent

active

040939332

ABSTRACT:
The invention is concerned with a pressure diaphragm that is composed of a nonmetallic material that has been sculptured by etching a plate to form thick motes, or islands, and a thick rim interconnected by thin sheet material. The thick portions are separated by thin flexures in which the deflection of the diaphragm is concentrated, whereby the deflection yields a high value of electric output per unit pressure.

REFERENCES:
patent: 3341794 (1967-09-01), Stedman
patent: 3520191 (1970-07-01), Pien
patent: 3568124 (1971-03-01), Sonderegger
patent: 3848329 (1974-11-01), Igarashi et al.

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