Low dose mammography system
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United States of America Patent
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Jan 21, 1997
Issued Date -
N/A
app pub date -
Apr 6, 1995
filing date -
Oct 14, 1992
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Expired
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Abstract
The x-ray imaging system comprises an x-ray source for producing an x-ray beam and an x-ray detector. The x-ray detector comprises a solid state integrated circuit having a silicon substrate. The detector is constructed as a PiN diode with the voltage bias direction parallel to the direction of incident radiation. A tissue sample, such as a breast, is positioned between the x-ray source and x-ray detector. The x-ray detector directly receives the x-ray photons transmitted through the tissue and produces electrical signals. The detector signals are processed to provide a digital image of the tissue sample.
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