Piezoresistive pressure transducer with elastomeric seals

Details Piezoresistive pressure transducer with elastomeric seals Piezoresistive pressure transducer with elastomeric seals

1985-04-24

1987-04-07

Goldberg, E. A.

Electrical resistors

Strain gauge type

338 4, 338 42, 29610SG, 73720, 310338, G01L 122, G01L 904, H01L 1010, H01L 4108

Patent

active

046564543

ABSTRACT:
A low cost piezoresistive pressure transducer utilizing premolded elastomeric seals and adapted for automatic assembly, and a method of producing the transducer. A piezoresistive stress sensitive element in the form of a diaphram of semiconductor material having a thickened rim is held at its rim between a pair of premolded elastomeric seals in a thermoplastic housing. Electrical connections with external circuitry are made with strain relief jumpers which connect conductive regions on the element outside the seals to conductors which pass through the housing wall.

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Arthur R. Zias, et al, Technical Articles "Integration Brings A Generation of Low-Cost Transducers", Electronics, Dec. 4, 1972, pp. 83-88.

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