Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1978-06-26
1983-06-28
McCamish, Marion
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
428210, 428212, 428901, B32B 300, B32B 700
Patent
active
043905862
ABSTRACT:
An electrical device is provided forming an electrical component or circuit capable of performing such functions as storing, switching or gating electrical signals. The electrical device or circuit is formed at least in part of an anodizable, semi-conducting material by the controlled anodization or oxidation of a selected portion of such material to form a non-conducting portion thereof or a portion thereof in which the semi-conducting material has its capability of conducting electricity substantially reduced. In one form, the portion of the electrical device or circuit which is rendered non-conducting by oxidation or anodization serves to separate semi-conducting portions of the original semi-conducting material from each other. In another form, oxidation or anodization is effected to only partially insulate or isolate portions of the semi-conducting material from each other.
REFERENCES:
patent: 3114663 (1963-12-01), Klerer
patent: 3115423 (1963-12-01), Ashworth
patent: 3169892 (1965-02-01), Lemelson
patent: 3461347 (1969-08-01), Lemelson
patent: 3801366 (1974-04-01), Lemelson
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