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Electrode for a Discharge Lamp and Corresponding Production Method

  • US 20110163655A1
  • Filed: 09/05/2008
  • Published: 07/07/2011
  • Est. Priority Date: 09/05/2008
  • Status: Active Grant
First Claim
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1. An electrode for a discharge lamp, wherein the electrode comprises a pin and a mass arranged on an end of the pin by melting over an electrode coil, wherein the pin consists of tungsten with microstructure-stabilizing additives, wherein the concentration of the microstructure-stabilizing additives is greater than or equal to 30 ppm, and wherein the electrode coil consists of pure tungsten, which has additives at most up to a concentration of 20 ppm.

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