Electric lamp and discharge devices – With support and/or spacing structure for electrode and/or... – For filament
Patent
1988-09-06
1990-09-25
Yusko, Donald J.
Electric lamp and discharge devices
With support and/or spacing structure for electrode and/or...
For filament
313274, 313331, 313569, 313574, 313578, 313623, 313631, 445 32, H01J 194, H01J 1948, H01J 902
Patent
active
049595857
ABSTRACT:
An electric incandescent lamp having an improved coiled refractory metal filament construction is disclosed which enables the lamp to provide a more precise light source. Various lamp and coiled filament configurations are disclosed to include employment of a reflective film for improved efficiency of lamp operation while a halogen substance can also be included in the inert gas filling for this purpose. A method to manufacture the disclosed lamp improvement is also provided.
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Essock Diana M.
Hoegler Leonard E.
Johnson Gerald A.
Kipling Kent K.
Corwin Stanley C.
General Electric Company
Horabik Michael
Jacob Fred
McMahon John P.
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