Active solid-state devices (e.g. – transistors – solid-state diode – Responsive to non-electrical signal – Electromagnetic or particle radiation
Patent
1996-07-08
1998-05-05
Jackson, Jerome
Active solid-state devices (e.g., transistors, solid-state diode
Responsive to non-electrical signal
Electromagnetic or particle radiation
257278, 257294, 257432, 257443, 25037014, 25033902, 250332, H01L 3100, H01L 310232
Patent
active
057478635
ABSTRACT:
The infrared solid-state image pickup device of the present invention comprises a light-receiving portion formed by arranging, on a transparent substrate, light-receiving elements of a plurality of types respectively including optical cavity structures with optical distances between photoelectric conversion portions and reflecting films which are different from each other by more than 100 nm. The light-receiving elements of at least one of the plurality of types having optical cavity structures whose optical distances are set such that a valley in sensitivity exists at a predetermined wavelength within a predetermined wavelength range, light within the wavelength range being photoelectrically convertible by the light-receiving elements of other types. Hence, the light-receiving portion can be divided into wavelength bands, and a structure enabling control of a wavelength sensitivity, can have, in an infrared range, a function corresponding to a complementary color detection function in a so-called visible range.
REFERENCES:
patent: 4956555 (1990-09-01), Woodberry
Tanabe et al, SPIE, vol. 2020 "Infrared Tech" XIX 1993 pp. 22-29 Utilizing a Optical Cavity . . . Sensor.
Elabd, RCA Review, vol. 43 Dec. 1982, pp. 569-589 "Theory and Measurements . . . Optical Cavity".
"Infrared Detectors and Focal Plane Arrays III", SPIE--The International Society for Optical Engineering, Eustace L. Dereniak et al., 5-6 Apr. 1994., Orlando, Florida., vol. 2225 pp. 44-59 (A1).
"Infrared Detectors and Focal Plane Arrays III", SPIE--The International Society for Optical Engineering, Eustace L. Dereniak et al., 5-6 Apr. 1994., Orlando, Florida., vol. 2225 pp. 26-43 (A2).
"Smart Focal Plane Arrays and Focal Plane Array Testing", SPIE--The International Society for Optical Engineering., Marc Wigdor et al., 17-18 Apr. 1995., Orlando, Florida., vol. 2474 pp. 111-116 (A3).
"The Photoresponse of Thin-Film PtSi Schottky Barrier Detector with Optical Cavity", RCA Review., Hammam Elabd et al., Sep. 1982., Princeton, New Jersey., vol. 43 pp. 542-547 (A4).
Jackson Jerome
Nikon Corporation
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