Charged particle detectors with active detector surface for partial energy deposition of the charged particles and related methods
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United States of America Patent
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Feb 19, 2013
Grant Date -
Apr 19, 2012
app pub date -
Oct 19, 2010
filing date -
Oct 19, 2010
priority date (Note) -
Expired
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Abstract
A radiation detector is disclosed. The radiation detector comprises an active detector surface configured to generate charge carriers in response to charged particles associated with incident radiation. The active detector surface is further configured with a sufficient thickness for a partial energy deposition of the charged particles to occur and permit the charged particles to pass through the active detector surface. The radiation detector further comprises a plurality of voltage leads coupled to the active detector surface. The plurality of voltage leads is configured to couple to a voltage source to generate a voltage drop across the active detector surface and to separate the charge carriers into a plurality of electrons and holes for detection. The active detector surface may comprise one or more graphene layers. Timing data between active detector surfaces may be used to determine energy of the incident radiation. Other apparatuses and methods are disclosed herein.
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