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Radiation detector

  • US 3,931,573 A
  • Filed: 05/05/1972
  • Issued: 01/06/1976
  • Est. Priority Date: 05/05/1972
  • Status: Expired due to Term
First Claim
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1. An electrical circuit device for detecting free space radio frequency radiation fields, said device including:

  • a plurality of spaced conductive strips in the form of thin resistive films whose thickness is small compared to the skin depth at the radio frequency, said strips being connected in an electrically conductive path,and a non-metallic housing for said strips including means for surrounding said strips with dielectric material for passing said radiation fields to said strips,the area of spacing between adjacent ones of said strips being greater than the area of said strips so that the impedance of said strips is largely resistive over a broad band of radio frequencies.

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