Method for mitigating passive intermodulation

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United States of America Patent

PATENT NO 11578238
SERIAL NO

17406358

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Abstract

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Materials and methods for mitigating passive intermodulation. A membrane for reducing passive intermodulation includes a first polymeric layer, a second polymeric layer, and a continuous metal layer encapsulated between the first and second polymeric layers. A self-adhesive radio frequency barrier tape includes a waterproof polymeric top layer, a metal-containing layer adhered by an adhesive layer to the polymeric top layer, a pressure sensitive adhesive layer adhered to the metal-containing layer, and a release liner on a bottom surface of the pressure sensitive adhesive layer. A method of mitigating passive intermodulation includes passing a probe over an area of interest, the probe being sensitive to an intermodulation frequency of interest, and identifying a suspected source of passive intermodulation when the amplitude of the probe output exceeds a threshold at the frequency of interest. The method further includes covering the suspected passive intermodulation source with a radio frequency barrier material.

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Patent Owner(s)

  • JOHNS MANVILLE

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bell, Thomas Colorado Springs, US 66 744
Griffin, Christopher Aurora, US 29 694
Hazy, Joel Brighton, US 9 16
Heaps, Jacob Edgewater, US 9 13

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