Process for a low back-action, quasi-hermetic covering of suscep

Details Process for a low back-action, quasi-hermetic covering of suscep Process for a low back-action, quasi-hermetic covering of suscep

1982-09-14

1984-08-07

Kittle, John E.

Coating processes

Electrical product produced

427343, 174 52PE, 174 52S, 33DIG13, H05D 512, H05K 500

Patent

active

044644191

ABSTRACT:
A method for quasi-hermetically covering physical structures on structure supports is described, which is low in its back-action on the structures to be protected and is especially suited for covering strain guage strips on cantilever beam measuring springs. In the method films made of a vacuum-tight, inorganic material are used as the covering substance, these films intimately joining both the structure to be protected and the surface zone of the support in the immediate vicinity of the structure. The use of films of monocrystalline structure, for instance mica films, is especially recommended, and it also is recommended to decrease the thickness of these films, once they are deposited, by suitable procedures such as etching or cleaving off crystal layers.

REFERENCES:
patent: 3411122 (1968-11-01), Schiller et al.
patent: 4010440 (1977-03-01), Wellard
patent: 4307371 (1981-12-01), Ort
patent: 4399190 (1983-08-01), Iwabochi et al.
The Condensed Chemical Dictionary, Hawley, Eighth edition, Van Nostrand Reinhold Company.

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