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Waveguide window

  • US 6,493,499 B1
  • Filed: 12/21/2000
  • Issued: 12/10/2002
  • Est. Priority Date: 04/15/1998
  • Status: Expired due to Fees
First Claim
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1. A window for a waveguide for a beam of electromagnetic radiation, comprising:

  • a layer capable of allowing electromagnetic radiation to pass therethrough, the layer having at least one recess formed in a periphery portion thereof; and

    a plurality of supports disposed on side portions of the layer, respectively, the plurality of supports defining a passage for electromagnetic radiation, wherein the plurality of supports is located inside of the periphery portion of the layer and the at least one recess extends from the periphery portion to the plurality of supports at most.

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