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Millimeter wave 3-D breast imaging

  • US 8,948,847 B2
  • Filed: 05/09/2013
  • Issued: 02/03/2015
  • Est. Priority Date: 05/11/2012
  • Status: Active Grant
First Claim
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1. A method for imaging tissue comprising:

  • providing a quasi-optical millimeter wave spectrometer having millimeter wave radiation from a backward-wave oscillator (BWO);

    modulating the radiation using a ferrite modulator;

    transforming the modulated radiation into a paraxial Gaussian beam;

    compressing the tissue between a pair of dielectric compression plates;

    transmitting the paraxial Gaussian beam through the compressed tissue; and

    detecting tissue image amplitude and phase data as a function of frequency.

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