Tungsten halogen lamp having lead-in wire comprising tantalum al

Details Tungsten halogen lamp having lead-in wire comprising tantalum al Tungsten halogen lamp having lead-in wire comprising tantalum al

1979-10-17

1981-10-20

Krawczewicz, Stanley T.

Electric lamp and discharge devices

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

For plural electrodes of discharge device

313178, 313271, 313316, H01K 128

Patent

active

042963516

ABSTRACT:
Tungsten halogen incandescent lamps comprise tungsten filaments having different tungsten evaporation rates during normal operation. The filaments are supported on lead-in wires made of an alloy including tantalum.

REFERENCES:
patent: 2067129 (1937-01-01), Marden
patent: 3544829 (1970-12-01), Someya et al.
patent: 3549933 (1970-12-01), Smalley
patent: 3549937 (1970-12-01), Handa et al.
patent: 3668391 (1972-06-01), Kimball
patent: 3721852 (1973-03-01), Chiola et al.
patent: 4015157 (1977-03-01), Roller et al.

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