Masking process with thermal destruction of edges of mask

Details Masking process with thermal destruction of edges of mask Masking process with thermal destruction of edges of mask

1973-05-01

1976-02-03

Herbert, Jr., Thomas J.

Coating processes

Electrical product produced

Integrated circuit, printed circuit, or circuit board

427154, 427226, B49d 152

Patent

active

039365310

ABSTRACT:
A masking process for masking a defined area on the surface of a substrate which is to be coated with a combustible coating material which comprises using as the masking means, a combustible masking material having a heating element enveloped therein along the edges thereof, coating the masked substrate with the coating material, decomposing the coating material and the masking material at the edges of the latter with the heating element, and then removing the remaining coated masking material and the heating element.

REFERENCES:
patent: 3301707 (1967-01-01), Loeb et al.
patent: 3342754 (1967-09-01), Gorham
patent: 3379803 (1968-04-01), Tittmann et al.
patent: 3472795 (1969-10-01), Tittmann et al.

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