Air Force

Microwave driven diffusion of dielectric nano- and micro-particles into organic polymers

  • US Patent No. 9469068
  • Issued: October 18, 2016
  • Status: Active
Materials

A method of doping a substrate with dielectric dopant particles. The substrate, comprising an organic polymer, is exposed to a first layer comprising a first plurality of dielectric dopant particles. The organic polymer has a thermal conductivity that is less than 5 Wm_1K_1 and a lossiness that is less than a lossiness of the first plurality of dielectric dopant particles. The substrate and first layer are irradiated by an energy source operating at an operating frequency. During the irradiation, the first plurality of dielectric dopant particles of the first layer diffuses into the organic polymer of the substrate. Irradiation continues for a first desired time to achieve a first desired depth of penetration of the first plurality of dielectric dopant particles into the organic polymer.

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