Method of manufacturing an electronic calculator utilizing a fle

Details Method of manufacturing an electronic calculator utilizing a fle Method of manufacturing an electronic calculator utilizing a fle

1976-05-05

1978-04-04

DiPalma, Victor A.

Metal working

Method of mechanical manufacture

Electrical device making

29626, 174 685, 200 5A, 200159B, 364712, H01H 1100

Patent

active

040818985

ABSTRACT:
Electronic calculators are manufactured by use of a flexible insulative carrier, the carrier being a tape-like-plastic substrate a single length of which is sufficient to manufacture a plurality of the electronic calculators, wherein conductor patterns are formed on the carrier, a keyboard is formed on the carrier using selected portions of the aforementioned conductors as keyboard switch contacts and semiconductor devices are interconnected with selected conductors formed on the carrier.

REFERENCES:
patent: 3722086 (1973-03-01), Wikkerink et al.
patent: 3810301 (1974-05-01), Cook
patent: 3860771 (1975-01-01), Lynn et al.
patent: 3898421 (1975-08-01), Sizumura
patent: 3911234 (1975-10-01), Kotaka
patent: 3971127 (1976-07-01), Giguere et al.

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