Composite article and method of sealing

Details Composite article and method of sealing Composite article and method of sealing

1980-06-23

1982-05-04

Kellogg, Arthur D.

Glass manufacturing

Processes

Fusion bonding of glass to a formed part

65 58, C03B 2320

Patent

active

043280226

ABSTRACT:
A composite article is disclosed which embodies a thermally sensitive component enclosed within borosilicate glass bodies having a coefficient of thermal expansion in the range of 30 to 40.times.10.sup.-7 /.degree.C. The bodies are joined by an intermediate layer of sealing material which is a fused mixture of a sealing glass containing an infra-red absorbing oxide and a mill additive having a low coefficient of thermal expansion. There is further disclosed a method of forming the seal between the glass bodies by application of infra-red radiation to the sealing material.

REFERENCES:
patent: 3467509 (1969-09-01), Foster
patent: 3966447 (1976-06-01), Asahara et al.
patent: 4058387 (1977-11-01), Nofziger
patent: 4158485 (1979-06-01), Mueller et al.

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