Patent ID: 11945749
Assignee: CORNING INCORPORATED
Field: Materials, metallurgy (Chemistry)
Classification: CPC C | IPC C

Claim 0:
1. A method of joining and sealing two objects, comprising:
contacting a first object and a second object with a sealing composition comprising a mixture of La-phosphate glass frit and a lanthanum source;
a first heating of the contacted first object, the contacted second object, and the sealing composition at from 1200° C. to 1500° C., and holding at this temperature to densify the sealing composition for from 2 hours to 8 hours; and
a second heating of the contacted first object, the contacted second object, and the sealing composition at from 1500° C. to 1600° C., and holding at this temperature for from 2 hours to 8 hours.