Method of controlling the softening point of solder glass

Details Method of controlling the softening point of solder glass Method of controlling the softening point of solder glass

1975-10-02

1977-03-08

Kellogg, Arthur D.

Glass manufacturing

Processes

Fining or homogenizing molten glass

65136, 106 52, 106DIG8, C03B 500

Patent

active

040110605

ABSTRACT:
A process for controlling the softening point and for providing a preselected softening point of solder glass which comprises bubbling oxygen-containing gas through a homogeneous melt of a solder glass containing copper oxide at a temperature and oxygen partial pressure predetermined to provide the desired preselected softening point of the solder glass and for a time sufficient to achieve equilibrium of the reaction Cu.sub.2 O+1/2O.sub.2 .revreaction.2CuO.

REFERENCES:
patent: 3057175 (1962-10-01), Rough et al.
patent: 3364042 (1968-01-01), Swain et al.
patent: 3904426 (1975-09-01), Frieser et al.
"Elimination of Cu.sub.2 O Crystals in Copper Containing Glasses" by R. G. Frieser et al., IBM Technical Disclosure Bulletin vol. 18, No. 6, Nov. 1975.

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