Method of manufacturing mercury contact on a beryllium base

Details Method of manufacturing mercury contact on a beryllium base Method of manufacturing mercury contact on a beryllium base

1979-03-12

1981-04-21

Smith, John D.

Coating processes

Electrical product produced

Metal coating

427328, 148 62, 427436, 428929, 200262, 335 58, B05D 512

Patent

active

042633427

ABSTRACT:
The mercury contact comprises a solid metal base of beryllium, wetted with mercury. The method of manufacturing the mercury contact includes periodically dipping the cleaned solid metal base of beryllium into chemically pure mercury through a mixture of saturated water solution of chromic anhydride and a 40 percent solution of hydrofluoric acid water, taken in a 1:1 ratio by volume.

REFERENCES:
patent: 2311257 (1943-02-01), Sawyer
patent: 2798036 (1957-07-01), Utz
patent: 3146328 (1964-08-01), Mason et al.
patent: 3301718 (1967-01-01), Morana
patent: 3485682 (1969-12-01), Pearlstein
patent: 3558349 (1971-01-01), Kneppel
patent: 3650825 (1972-03-01), Lihl
patent: 3827919 (1974-08-01), Keating
Pugatchevitch P.P., "Working with Mercury Under Laboratory and Production Conditions", Nauka Publishers, Moscow, 1972, p. 183.

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