Method for bonding insulator to insulator

Glass manufacturing – Processes – Fusion bonding of glass to a formed part

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Details

65 43, 65 593, 65 596, 204 16, C03B 2320, C03C 2704

Patent

active

044526245

ABSTRACT:
A method for making an airtight seal between a pair of insulator elements, uch as glass plates, without destroying any fine structure etched in the insulator elements. A thin metal film is deposited on one of the elements to be sealed and then placed in intimate contact with the other element to be sealed. The elements are then heated to a temperature well below their softening point, but high enough to significantly enhance the ion mobility in the insulator. A voltage is applied across the interface and the resulting anodic reaction consumes the film at the interface while producing a strong hermetic bond between the insulator elements.

REFERENCES:
patent: 3540957 (1970-11-01), Bawa et al.

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