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Recessed helical electrode structure in a gas laser

  • US 4,752,935 A
  • Filed: 03/07/1986
  • Issued: 06/21/1988
  • Est. Priority Date: 03/20/1985
  • Status: Expired due to Term
First Claim
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1. Device for the excitation of a discharge in a laser gas flowing in a flow tube, the device having at least two continuous helical electrodes, being provided in helical recesses on the flow tube, the walls of the helical recesses extending into the interior space of the flow tube such that the discharge cross-section between the two electrodes is smaller than the cross-section of the discharge tube available for the flow of the laser gas.

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