Amalgam spheres for energy-saving lamps and their production
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United States of America Patent
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Apr 26, 2016
Grant Date -
Jan 9, 2014
app pub date -
Jun 27, 2013
filing date -
Apr 28, 2007
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Abstract
Energy-saving lamps contain a gas filling of mercury vapor and argon in a gas discharge bulb. Amalgam spheres are used for filling the gas discharge bulb with mercury. A tin amalgam having a high proportion by weight of mercury in the range from 30 to 70% by weight is proposed. Owing to the high mercury content, the amalgam spheres have liquid amalgam phases on the surface. Coating of the spheres with a tin or tin alloy powder converts the liquid amalgam phases on the surface into a solid amalgam having a high tin content. This prevents conglutination of the amalgam spheres during storage and processing.
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