Arc tube end seal and method of forming

Details Arc tube end seal and method of forming Arc tube end seal and method of forming

1977-05-13

1978-07-25

Rolinec, Rudolph V.

Electric lamp and discharge devices

With support and/or spacing structure for electrode and/or...

For plural electrodes of discharge device

65 59R, 174 5063, 174 5061, H01J 6130

Patent

active

041032004

ABSTRACT:
An improved arc tube end seal and the method of forming that seal in a high pressure sodium discharge lamp is disclosed. The method includes precoating the refractory metal end cap with a slurry of metallic silicon and baking the end cap prior to accomplishing the bonding of the end cap to the arc tube with a conventional sealing frit.

REFERENCES:
patent: 3598435 (1971-08-01), Jorgensen

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