Radiation detector having all-metal circuitry operation of which is based on electron spin
First Claim
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1. A radiation detector, comprising:
- unshielded semiconductor circuitry having at least one operational parameter associated therewith which is operable to change in response to radiation exposure;
all-metal circuitry operation of which is based on electronic spin and which is operable to detect a change in the at least one operational parameter based on a predetermined relation between the at least one operational parameter and at least one type of radiation, and encode detection information representative of the radiation exposure in response thereto;
interface circuitry coupled to the semiconductor circuitry and the all-metal circuitry which is operable to convert signal levels therebetween; and
communication circuitry operable to generate a detection signal representative of the detection information.
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Abstract
A radiation detector is described which includes first circuitry having at least one operational parameter associated therewith which is operable to change in response to radiation exposure. Second circuitry is operable to detect a change in the at least one operational parameter based on a predetermined relation between the at least one operational parameter and at least one type of radiation. The second circuitry is also operable to encode detection information representative of the radiation exposure in response thereto.
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Citations
38 Claims
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1. A radiation detector, comprising:
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unshielded semiconductor circuitry having at least one operational parameter associated therewith which is operable to change in response to radiation exposure; all-metal circuitry operation of which is based on electronic spin and which is operable to detect a change in the at least one operational parameter based on a predetermined relation between the at least one operational parameter and at least one type of radiation, and encode detection information representative of the radiation exposure in response thereto; interface circuitry coupled to the semiconductor circuitry and the all-metal circuitry which is operable to convert signal levels therebetween; and communication circuitry operable to generate a detection signal representative of the detection information. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30)
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31. A radiation detector, comprising:
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first circuitry having at least one operational parameter associated therewith which is operable to change in response to radiation exposure, wherein the first circuitry includes a semiconductor memory, and the at least one operational parameter comprises a first bit pattern stored in the semiconductor memory; and second circuitry operable to detect a change in the at least one operational parameter based on a predetermined relation between the at least one operational parameter and at least one type of radiation, and encode detection information representative of the radiation exposure in response thereto, wherein the second circuitry includes a second memory having a second bit pattern stored therein, the second circuitry further including logic operable to detect the change in the at least one operational parameter by comparing the first and second bit patterns, the logic further being operable to convert the detected change to the detection information based on an algorithm derived at least in part from a failure-rate analysis which employs a Weiball plot.
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32. A radiation detector, comprising:
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first circuitry having at least one operational parameter associated therewith which is operable to change in response to radiation exposure; and second circuitry operable to detect a change in the at least one operational parameter based on a predetermined relation between the at least one operational parameter and at least one type of radiation, and encode detection information representative of the radiation exposure in response thereto; wherein the first and second circuitry are configured to detect a plurality of exposure levels of a particular radiation type.
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33. A radiation detector, comprising:
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first circuitry having at least one operational parameter associated therewith which is operable to change in response to radiation exposure, wherein the first circuitry comprises a semiconductor tank circuit, and the at least one operational parameter relates to a resonant frequency of the tank circuit; and second circuitry operable to detect a change in the at least one operational parameter based on a predetermined relation between the at least one operational parameter and at least one type of radiation, and encode detection information representative of the radiation exposure in response thereto. - View Dependent Claims (34, 35)
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36. A radiation detector, comprising:
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first circuitry having at least one operational parameter associated therewith which is operable to change in response to radiation exposure; and second circuitry operable to detect a change in the at least one operational parameter based on a predetermined relation between the at least one operational parameter and at least one type of radiation, and encode detection information representative of the radiation exposure in response thereto; wherein the first and second circuitry are configured to detect the radiation exposure in real time.
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37. A radiation detector, comprising:
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first circuitry having at least one operational parameter associated therewith which is operable to change in response to radiation exposure; and second circuitry operable to detect a change in the at least one operational parameter based on a predetermined relation between the at least one operational parameter and at least one type of radiation, and encode detection information representative of the radiation exposure in response thereto; wherein the first and second circuitry are configured to determine a dose of the radiation exposure over a period of time.
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38. A method for calibrating a radiation detector, comprising:
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exposing sensor circuitry to a known measure of radiation, the sensor circuitry having at least one operational parameter associated therewith which is operable to change in response to radiation exposure; measuring a change in the at least one operational parameter in response to the known measure of radiation; relating the change in the at least one operational parameter to the known measure of radiation; and configuring the radiation detector with reference to the relation between the change in the at least one operational parameter and the known measure of radiation.
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Specification