Ionizing radiation detector
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United States of America Patent
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Jun 6, 2000
Grant Date -
N/A
app pub date -
Mar 20, 1998
filing date -
Aug 2, 1994
priority date (Note) -
Expired
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Abstract
An ionizing radiation detector comprises a flat substrate having a plurality of etched parallel ridges on one surface. The parallel sides of the ridges carry a thin layer of a conducting material, acting as an electrode. A particle or radiation beam to be detected impinges on the ridges, in a direction normal to the plane of the substrate, so causing electron/hole carriers production within the ridges. The carriers migrate to the electrodes, in a direction perpendicular to the beam, thereby inducing charge on the electrodes. The readout can be extremely rapid, since the carriers need to migrate only a very small distance to the side of the ridge.
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