Thorium-free discharge lamp

Thorium-free discharge lamp

  • CN 101,855,702 A
  • Filed: 09/19/2008
  • Published: 10/06/2010
  • Est. Priority Date: 09/24/2007
  • Status: Active Application
First Claim
Patent Images

1. high-voltage gas discharging light comprises:

  • -sealing discharge vessel (20), it has internal discharge space (22),-having at least two electrodes (24) that put in the described discharge space, described electrode does not have Th,-and having filler in the discharge space, described filler comprises metal halide and rare gas and do not have Hg and Th,-wherein said halide is with the 7.1-11.4 μ

    g/mm of described discharge space volume 3Amount provide, -wherein said halide comprises NaI and ScI at least 3, -and wherein NaI and ScI 3Provide with such amount, make NaI and ScI 3The ratio of quality be 1.2-1.6.

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