Thin film resistance thermometer detector probe assembly

Details Thin film resistance thermometer detector probe assembly Thin film resistance thermometer detector probe assembly

1979-10-15

1980-12-30

Albritton, C. L.

Electrical resistors

Resistance value responsive to a condition

Ambient temperature

733628, H01C 700, G01K 300

Patent

active

042426596

ABSTRACT:
A resistance thermometer probe assembly is constructed by locating a header assembly in the end of a cylindrical sleeve. The header is constructed as a stack of discs. The disc exposed to the environment is of stainless steel and the disc supporting the thin film resistance thermometer chip is of ceramic. A copper disc is brazed between the ceramic and the stainless steel to accommodate the different thermal coefficients of expansion. Nail-head pins are brazed to a thick film deposit on the exposed face of the ceramic disc and the resistance thermometer chip is connected electrically between the pins.

REFERENCES:
patent: 2988717 (1961-06-01), Bergsma
patent: 3167733 (1965-01-01), Di Noia
patent: 3508185 (1970-04-01), Tulchinsky
patent: 3896409 (1975-07-01), Michelig et al.
patent: 3936789 (1976-02-01), Matzen et al.
patent: 4085398 (1978-04-01), Bertram et al.
patent: 4087775 (1978-05-01), MacKenzie et al.
patent: 4103275 (1978-07-01), Diehl et al.
patent: 4146865 (1979-03-01), Scharbach et al.
patent: 4186368 (1980-01-01), White et al.

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