Direct reading dosimeter
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United States of America Patent
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-
Nov 20, 1984
Grant Date -
N/A
app pub date -
Nov 13, 1981
filing date -
Oct 2, 1981
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A direct reading dosimeter having a range such that it can be used by personnel workers in the medical, nuclear and industrial fields, and provides and indication of dose rate as well as total received dosage. The dosimeter uses a semiconductor sensor of MOS or bipolar transistor or MOS capacitor form which traps positive charge under the influence of ionizing radiation. A current is applied to the sensor substrate, the voltage across a portion of the substrate is sensed, differentiated and displayed. The dosimeter circuit can be integrated and packaged in a wrist watchcase, in a probe, or other convenient form.
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