Wire and frame, in particular niobium-based, for single-side socket lamps and a method for the production and use thereof
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United States of America Patent
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Aug 9, 2011
Grant Date -
Jun 10, 2010
app pub date -
Aug 11, 2006
filing date -
Aug 12, 2005
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A highly heat resistant wire based on niobium or tantalum or niobium tantalum alloy for single-side socket lamps is enriched, according to the invention, with phosphorus and converted into an annealed state. The wire exhibits a yield strength Rp 0.2 of at least 200 MPa or a tensile strength Rm of at least 300 MPa. For the production of a frame for single-side socket lamps, a metal based on niobium or tantalum or an alloy thereof is doped with phosphorus and the doped metal is cold shaped into a wire, this wire is annealed and formed into a frame. This frame is used for the simultaneous current supply and holding of a burner in a single-side socket lamp.
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