Metal patterns on photosensitive glasses

Details Metal patterns on photosensitive glasses Metal patterns on photosensitive glasses

1983-10-21

1985-07-02

Hess, Bruce H.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

428210, 428410, 428432, 428433, 428434, B32B 1700

Patent

active

045267855

ABSTRACT:
There is disclosed a metal-glass composite comprising a photosensitive glass body with opacifying crystallites developed in at least a portion of the body, and a metal deposit on and/or in that portion of the glass surface coincident with the crystallized portion of the glass body, the metal deposit exhibiting useful electrical conductivity. There is further disclosed a method of producing such composite by forming crystallites in at least a portion of a glass body, subjecting at least the surface coincident therewith to a cationic ion exchange to introduce metal ions and thereafter firing the ion-exchanged glass in a hydrogen atmosphere to cause the metal ions to be reduced and subsequently migrate surfaceward and form a metal deposit.

REFERENCES:
patent: 4297417 (1981-10-01), Wu
patent: 4405672 (1983-09-01), Araujo et al.
patent: 4407891 (1983-10-01), Ernsberger

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