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Patent Searching and Data


Title:
ELECTRIC LAMP WITH OXIDATION-RESISTANT LEAD-IN CONDUCTORS
Document Type and Number:
WIPO Patent Application WO2003105177
Kind Code:
A3
Abstract:
The electric lamp (1) has a lamp vessel (2), wherein an electric element (3) is accommodated. Said element is connected to current conductors (4), molybdenum portions (5) and (21) which have a coating of material chosen from the group consisting of chromium-manganese, chromium-cobalt, chromium-iron and chromium-boron alloys as a protection against oxidation.

Inventors:
COUMANS JACOBUS J C (NL)
SCHUITEMAN MARTEN W (NL)
WELTERS WILHELMUS J J (NL)
Application Number:
PCT/IB2003/002280
Publication Date:
March 18, 2004
Filing Date:
May 21, 2003
Export Citation:
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Assignee:
KONINKL PHILIPS ELECTRONICS NV (NL)
COUMANS JACOBUS J C (NL)
SCHUITEMAN MARTEN W (NL)
WELTERS WILHELMUS J J (NL)
International Classes:
H01J5/46; H01J9/28; H01J9/32; H01K1/38; H01K1/40; (IPC1-7): H01J9/28; H01J5/46; H01K1/40; H01J9/32; H01K1/38
Foreign References:
US4015165A1977-03-29
GB688859A1953-03-18
US3959682A1976-05-25
US4777404A1988-10-11
US3420944A1969-01-07
US3105867A1963-10-01
Other References:
See also references of EP 1527472A2
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