Solid-state X-ray receptor and method of making same

Details Solid-state X-ray receptor and method of making same Solid-state X-ray receptor and method of making same

1983-09-02

1987-10-13

Smith, Alfred E.

Radiant energy

Invisible radiant energy responsive electric signalling

Semiconductor system

357 29, G01T 122

Patent

active

047000767

ABSTRACT:
An X-ray receptor for producing electrical signals representative of an X-ray image. An array of semiconductor elements is mounted on at least one support, each element being formed of semiconductor material which is (1) an element of Group 4A of the Periodic Table of Elements or a compound of such an element, or which is (2) at least one element of Group 3A of the Periodic Table of Elements together with at least one element of Group 5A of the Periodic Table of Elements, and having at least one PN junction therein. The array is positioned to receive impinging X-rays and to produce electrical signals in response thereto. Electrical conducting leads are supported on the support, and the electrical signals which are produced by respective ones of the semiconductor elements are coupled to these electrical conducting leads. Output terminals also are supported on the support to provide output image signals; and circuitry including multiplexing circuits additionally is supported on the support for processing and multiplexing the electrical signals from the electrical conducting leads to the output terminals. Also disclosed is a method by which the X-ray receptor is made.

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Carlson, D. et al., "Development of a Staring Mosaic Module", Proc. Soc. Photo-Opt. Inst. Eng., (SPIE), (1979), vol. 197, p. 2.
Eberhardt, J. et al., "High-Resolution Nuclear Radiation Detectors from Epitaxial n-GaAs", Applied Physics Letters, vol. 17, #10, p. 427, (11/1970).

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