Method of manufacture for bendable membrane switch

Details Method of manufacture for bendable membrane switch Method of manufacture for bendable membrane switch

1980-05-30

1982-03-23

Gilden, Leon

Metal working

Method of mechanical manufacture

Electrical device making

200 5A, 200159B, H01H 1100

Patent

active

043205739

ABSTRACT:
A membrane switch of the type actuated by bending is manufactured from a blank of flexible sheet material. An appropriate pattern of conductors is silk-screened on first and second portions of the blank. Then an insulative spacing means is silk-screened onto the first and second portions in a symmetrical pattern. Adhesive is applied to the blank. Hinges are formed along the line of symmetry of the spacing means and the second portion of the blank is folded over the first portion along these hinges to complete the switch. The adhesive holds the folded switch together with the first portion of the blank forming the switch substrate and the second portion forming the membrane.

REFERENCES:
patent: 3722086 (1973-03-01), Wikkerik
patent: 4034176 (1977-07-01), Larson
patent: 4065649 (1977-12-01), Carter et al.
patent: 4180711 (1979-12-01), Hirata
patent: 4249054 (1981-02-01), Komaki

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