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Discharge lamp with secondary ignition electrode

  • US 6,008,583 A
  • Filed: 07/30/1997
  • Issued: 12/28/1999
  • Est. Priority Date: 08/02/1996
  • Status: Expired due to Fees
First Claim
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1. A discharge lamp arrangement comprising:

  • a lamp tube in which a noble gas is contained;

    two internal electrodes disposed in the lamp tube;

    a secondary ignition electrode disposed outside the lamp tube and running along the lamp tube close to a surface thereof; and

    at least one stud disposed on the lamp tube, wherein the at least one stud extends away from the surface of the lamp tube and has a remote end which is thicker than a root at the surface of the lamp tube and wherein the secondary ignition electrode is wound at least once around the root of the at least one stud.

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