Semiconductor detector
First Claim
Patent Images
1. A semiconductor detector comprising:
- a substrate formed of a semiconductor material and defining two opposite facing surfaces and at least one side wall;
electrodes formed on two opposite facing surfaces of the substrate;
an electrical insulator formed on at least part of said at least one side wall; and
an electrical conductor formed over at least part of said electrical insulator, wherein said electrodes, said electrical insulator and said conductor operate generally in the manner of a field-effect transistor.
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Abstract
A semiconductive detector includes a semiconductor substrate having electrodes formed at two opposite-facing surfaces thereof. A peripheral side-wall extends between the two opposite facing-surfaces, and an electrical insulator is formed on at least a portion of the side wall. An electrical conductor is provided over the insulator. A bias voltage may be applied to the conductor such that the electrical insulator and the conductor operate generally in a manner of a field effect transistor.
55 Citations
14 Claims
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1. A semiconductor detector comprising:
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a substrate formed of a semiconductor material and defining two opposite facing surfaces and at least one side wall; electrodes formed on two opposite facing surfaces of the substrate; an electrical insulator formed on at least part of said at least one side wall; and an electrical conductor formed over at least part of said electrical insulator, wherein said electrodes, said electrical insulator and said conductor operate generally in the manner of a field-effect transistor. - View Dependent Claims (2, 3, 4, 5)
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6. An array of modular semiconductor detector assemblies, each detector assembly including:
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a substrate formed of a semiconductor material and defining two opposite facing surfaces; and electrodes formed on two opposite facing surfaces of the substrate; at least some of said modular detector assemblies defining at least one side wall at an edge of said array and including; an electrical insulator formed on at least part of said at least one side wall; and an electrical conductor formed over at least part of said electrical insulator, wherein said electrodes, said electrical insulator and said conductor operate generally in the manner of a field-effect transistor. - View Dependent Claims (7, 8, 9, 10, 11, 12)
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13. A method for overcoming performance degradation in a semiconductor detector due to non-uniformities in an electric field adjacent a side wall, the detector comprising a substrate formed of a semiconductor material and defining two opposite facing surfaces and at least one side wall, and also comprising electrodes formed on two opposite facing surfaces of the substrate, the method comprising the steps of:
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forming an electrical insulator on at least part of said at least one side wall; and forming an electrical conductor over at least part of said electrical insulator, wherein said electrodes, said electrical insulator and said conductor operate generally in the manner of a field-effect transistor. - View Dependent Claims (14)
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Specification