Method for sealing arc discharge lamps

Details Method for sealing arc discharge lamps Method for sealing arc discharge lamps

1984-06-18

1985-12-24

Ramsey, Kenneth J.

Electric lamp or space discharge component or device manufacturi

Process

With assembly or disassembly

65 34, 445 43, H01J 924, H01J 9395

Patent

active

045603570

ABSTRACT:
A compact fluorescent lamp employs an inner exhaust tubulation formed from glass. The exhaust tubulation is non-invasively sealed after an outer lamp envelope is sealed by directing upon the exhaust tubulation an amount of focused, coherent radiation sufficient to heat the tubulation to its softening point. The outer envelope is transparent to the given radiation.

REFERENCES:
patent: 2561838 (1951-07-01), Bechard
patent: 3551725 (1970-12-01), Brundige
patent: 4508514 (1985-04-01), English

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