Electric lamp and discharge devices – With support and/or spacing structure for electrode and/or... – For plural electrodes of discharge device
Patent
1977-01-17
1978-05-16
Rolinec, Rudolph V.
Electric lamp and discharge devices
With support and/or spacing structure for electrode and/or...
For plural electrodes of discharge device
313222, H01S 6112
Patent
active
040901017
ABSTRACT:
The invention relates to the manufacture of electric lamps containing fluorine in their gas fill. Fluorine can be accurately and conveniently introduced into an electric lamp envelope in the form of a fluorocarbon polymer. If a soluble fluorocarbon polymer, such as a degraded PTFE, is dissolved in a suitable solvent, for example a fluorine-substituted hydrocarbon or halocarbon solvent, the resulting solution can be metered with great accuracy into the lamp envelope and the solvent subsequently evaporated. The invention avoids the difficulties otherwise inherent in dispensing accurate quantities of an extremely reactive gaseous material.
REFERENCES:
patent: 3311777 (1967-03-01), Schroder
patent: 4005324 (1977-01-01), Dolenga et al.
Downing Anthony Peter
Horler Christopher Arthur
Rees John Michael
Hostetter Darwin R.
Imperial Chemical Industries Limited
O'Connell Robert F.
Rolinec Rudolph V.
Thorn Electrical Industries Limited
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