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Converting nnEMF to IR

Discussion in 'The EMF Rx' started by digital, Sep 9, 2015.

  1. digital

    digital Gold

    https://www.google.com/patents/US20030162007
    Energy converting article and method of making
    US 20030162007 A1
    ABSTRACT

    A graded composite energy converting article having a working surface of carbon-bonded carbon-fiber (CBCF) material that can absorb light, RF, microwaves, or other forms of energy and convert this energy to sensible heat. Conversely, CBCF can take sensible heat and convert it to radiative emissions of IR energy. Energy is conducted through the article by carbon foam to a secondary surface. The graded composite is made by first heating pitch under pressure to create the foam, which is then pyrolyzed and graphitized to create graphitic, open-cell foam. A slurry of chopped carbon fibers and organic binder in water or solvent is prepared and deposited on a working surface of the foam, preferably infiltrating the foam to some depth. The green body is dried, cured, and carbonized, creating a graded body of carbon foam in conductive thermal contact with a working surface of CBCF. Secondary surfaces of the foam may optionally be metal-infiltrated for added strength, brazability, or other purposes. The article may be used for optical absorbers, baffles, beam stops, RF and microwave loads, radiators, electron collectors, and other uses where energy is passively converted from one form to another and superior thermal transport is required.

    [0001] The United States Government has rights in this invention pursuant to contract no. DE-AC05-00OR22725 between the United States Department of Energy and UT-Battelle, LLC.
     
    Cpt.Tired, Alex97232 and Lahelada like this.

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