Method of making glass-to-metal seal (header)

Details Method of making glass-to-metal seal (header) Method of making glass-to-metal seal (header)

1982-12-20

1984-05-01

Lindsay, Jr., Robert L.

Glass manufacturing

Processes

Fusion bonding of glass to a formed part

65 32, 65 5923, 65 5924, 65 5927, 65 594, 65 595, 65 596, C03C 2900

Patent

active

044459203

ABSTRACT:
A metal-to-glass-to-metal seal that includes a chemical bond between the ss and metal as well as a mechanical seal is obtained by using an oxide layer which joins the glass and metal. A glass tube or glass powder with a coefficient of expansion which approximates the metal's coefficient of expansion is fitted between a pin and sleeve combination. Parts are then heated in a controlled dry hydrogen atmosphere to create a bond between the metal and glass.

REFERENCES:
patent: 3326618 (1967-06-01), Casamo et al.
patent: 4198225 (1980-04-01), Patrick et al.
patent: 4292464 (1981-09-01), Vogt et al.
patent: 4352951 (1982-10-01), Kyle
patent: 4377404 (1983-03-01), Hoshikawa et al.

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