Leak detection for hermetic enclosures

Details Leak detection for hermetic enclosures Leak detection for hermetic enclosures

1981-05-18

1983-08-16

Stephan, Steven L.

Measuring and testing

With fluid pressure

Leakage

429 90, G01M 320

Patent

active

043984134

ABSTRACT:
A method of leak testing hermetic enclosures having a penetrable, self-sealing septum communicating with the interior thereof.
Test gas is introduced into the enclosure by means of a hypodermic needle inserted through the septum and then withdrawn. Subsequent monitoring of the enclosure for presence of any escaping test gas confirms if leakage is occurring.

REFERENCES:
patent: 3091114 (1963-05-01), Webster
patent: 3475226 (1969-10-01), Fraioli
patent: 3762212 (1973-10-01), Morley et al.
patent: 3867201 (1975-02-01), Holmes
patent: 3888111 (1975-06-01), Craig
patent: 3945846 (1976-03-01), Dey
patent: 4174424 (1979-11-01), Jurva et al.
patent: 4205551 (1980-06-01), Clifford et al.

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