Electricity: measuring and testing – Particle precession resonance – Using an electron resonance spectrometer system
Reexamination Certificate
2005-08-02
2008-07-22
Shrivastav, Brij B. (Department: 2831)
Electricity: measuring and testing
Particle precession resonance
Using an electron resonance spectrometer system
Reexamination Certificate
active
07403008
ABSTRACT:
ESR microscope systems and methods for examining specimens using both continuous wave and pulsed modes in the 9 to 60 GHz range. The ESR microscope uses an image probe comprising gradient coils in addition to conventional modulation coils (in continuous wave mode) or magnetic field bias coils (in pulse mode), and a resonator constructed from high permittivity material. The systems and methods also involves the use of sample containers that permit the precise placement of samples in relation to the image probe. The microscope uses a microstrip or thin coaxial or dielectric antenna to obtain a high coupling coefficient to the specimen being imaged. The microscope systems provide resolution at the single micron level, and permit the observation of images comprising tens to hundreds of pixels for each of two or three dimensions in a few minutes. Novel stable radicals used as the imaging media are also described.
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Blank Aharon
Borbat Peter P.
Dunnam Curt R.
Freed Jack H.
Cornell Research Foundation Inc.
Marjama Muldoon Blasiak & Sullivan LLP
Shrivastav Brij B.
Vargas Dixomara
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