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semiconductor detector |
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semiconductor detector [¦sem·i·kən¦dək·tər di′tek·tər] (nucleonics) A particle detector which detects ionization produced by energetic charged particles in the depletion layer of a reverse-biasedpnjunction in a semiconductor, usually a very pure single crystal of silicon or germanium. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| The newly-developed device, which features multiple semiconductor detectors and an exclusive IC for high-speed processing, can achieve high-precision imaging with a gamma-ray energy resolution of less than 6% and image spatial resolution of less than 3mm. The single-pixel superconducting transition-edge sensor (TES) x-ray microcalorimeters developed at NIST enable x-ray spectroscopy with energy resolution that is 10 to 100 times better than conventional semiconductor detectors. The new system incorporates Digirad's patented solid-state semiconductor detector technology, Digital Position Sensing(TM), which has enabled nuclear medicine gamma cameras to become smaller, mobile, more reliable and user friendly, expand clinical applications, and produce state of the art diagnostic nuclear medicine images. |
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