Electric lamp and discharge devices – With support and/or spacing structure for electrode and/or... – For plural electrodes of discharge device
Patent
1976-11-16
1978-02-14
Rolinec, Rudolph V.
Electric lamp and discharge devices
With support and/or spacing structure for electrode and/or...
For plural electrodes of discharge device
174 5061, 313331, H01J 550
Patent
active
040741672
ABSTRACT:
Halogen incandescent lamps having at least two filaments are provided with a hard-glass lamp vessel. In the vacuum-tight seal of the vessel molybdenum wire current leadthrough conductors are incorporated which form one assembly with internal and external current conductors. In spite of large differences between the coefficients of expansion of the glass and the molybdenum, the lacking of rotationally symmetric geometry at the area of the current leadthroughs and the high thermal load of the lamp vessel seal, the lamps have proved to be very reliable.
van den Broek Cornelis P.
VAN Lieshout Johannes M. J.
Hostetter Darwin R.
Rolinec Rudolph V.
Smith Robert S.
Trifari Frank R.
U. S. Philips Corporation
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