A new process is described which permits the sealing of metals to glass and other insulators at temperatures well below the softening point of the glass. Sealing is accomplished in about 1 min by applying a dc voltage in excess of a few hundred volts between the glass and the metal in such a way that the former is at a negative potential with respect to the latter. The process has been applied to a number of glass‐metal combinations. A discussion is presented of some of the mechanisms which are believed to play a role in the bonding process.
Topics
Electric power
REFERENCES
1.
D. I. Pomerantz, U.S. Patent No. 3,397,278.
2.
W. A. Weyl and E. C. Marboe, The Constitution of Glasses (John Wiley & Sons, Inc., New York, 1967), p. 893.
3.
T. M.
Proctor
and P. M.
Sutton
, J. Amer. Ceram. Soc.
43
, 173
(1960
);
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© 1969 The American Institute of Physics.
1969
The American Institute of Physics
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