Method and apparatus for dispensing small quantities of mercury

Details Method and apparatus for dispensing small quantities of mercury Method and apparatus for dispensing small quantities of mercury

1984-01-04

1985-08-13

Ramsey, Kenneth J.

Electric lamp or space discharge component or device manufacturi

Process

Generating gas or vapor within an envelope, or coating by...

445 60, H01J 9395

Patent

active

045347425

ABSTRACT:
A technique for opening an evacuated and sealed glass capsule containing a material that is to be dispensed which has a relatively high vapor pressure such as mercury. The capsule is typically disposed in a discharge tube envelope. The technique involves the use of a first light source imaged along the capsule and a second light source imaged across the capsule substantially transversely to the imaging of the first light source. Means are provided for constraining a segment of the capsule along its length with the constraining means being positioned to correspond with the imaging of the second light source. These light sources are preferably incandescent projection lamps. The constraining means is preferably a multiple looped wire support.

REFERENCES:
patent: 3684345 (1972-08-01), Schiekel
patent: 3913999 (1975-10-01), Clarke
patent: 4427919 (1984-01-01), Grenfell

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