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Class Information
Number: 257/E31.067
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Semiconductor devices responsive or sensitive to electromagnetic radiation (e.g., infrared radiation, adapted for conversion of radiation into electrical energy or for control of electrical energy by such radiation processes, or apparatus peculiar to manufacture or treatment of such devices, or of parts thereof) (epo) > Adapted to control current flow through device (e.g., photoresistor) (epo) > For device having potential or surface barrier (e.g., phototransistor) (epo) > Device sensitive to infrared, visible, or ultraviolet radiation (epo) > Characterized by only one potential or surface barrier (epo) > Pn heterojunction potential barrier (epo)
Description: This subclass is indented under subclass E31.055. This subclass is substantially the same in scope as ECLA classification H01L31/109.

Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8530933 Photo transistor Sep. 10, 2013
8482040 Solid-state image capturing device, method of manufacturing solid-state image capturing device, method of driving solid-state image capturing device, and electronic apparatus Jul. 9, 2013
8441089 Multilayer bispectral photodiode detector May. 14, 2013
8399911 Enhancement mode field effect device and the method of production thereof Mar. 19, 2013
8264013 Solid-state image capturing device and electronic information device Sep. 11, 2012
7928473 Depletion-less photodiode with suppressed dark current and method for producing the same Apr. 19, 2011
7897425 Image sensor and method for fabricating the same Mar. 1, 2011
7859075 Image sensor and method of manufacturing the same Dec. 28, 2010
7829915 Avalanche photodiode Nov. 9, 2010
7795640 Depletion-less photodiode with suppressed dark current and method for producing the same Sep. 14, 2010
7749800 Photoelectric conversion device, image sensor, and method of manufacturing a photoelectric conversion device Jul. 6, 2010
7589366 Solid-state imaging device and method for manufacturing the same Sep. 15, 2009
7576371 Structures and methods to improve the crosstalk between adjacent pixels of back-illuminated photodiode arrays Aug. 18, 2009
7459328 Image sensor and method of manufacturing the same Dec. 2, 2008
7407830 CMOS image sensor and method of fabrication Aug. 5, 2008
7397100 Image sensor and method of manufacturing the same Jul. 8, 2008
7368762 Heterojunction photodiode May. 6, 2008
7307291 Gallium-nitride based ultraviolet photo detector Dec. 11, 2007
6917032 Semiconductor photo-detector, semiconductor photodetection device, and production methods thereof Jul. 12, 2005
6825542 High speed waveguide photodetector Nov. 30, 2004
6770945 Semiconductor photo-detector, semiconductor photodetection device, and production methods thereof Aug. 3, 2004
6603184 Double heterostructure photodiode with graded minority-carrier blocking structures Aug. 5, 2003
6589362 Zinc oxide semiconductor member formed on silicon substrate Jul. 8, 2003
6455908 Multispectral radiation detectors using strain-compensating superlattices Sep. 24, 2002
6452187 Two-color grating coupled infrared photodetector Sep. 17, 2002
6420728 Multi-spectral quantum well infrared photodetectors Jul. 16, 2002
6403990 Short turn-off time photoconductive switch Jun. 11, 2002
6362483 Visible-blind UV detectors Mar. 26, 2002
6353250 Semiconductor photo-detector, semiconductor photo-detection device, and production methods thereof Mar. 5, 2002
6218684 Photodiode with buffer layer Apr. 17, 2001
6204522 Switching device Mar. 20, 2001
6104046 Dual-band infrared sensing material array and focal plane array Aug. 15, 2000
5926585 Waveguide type light receiving element Jul. 20, 1999
5804842 Optically writing erasable conductive patterns at a bandgap-engineered heterojunction Sep. 8, 1998
5580795 Fabrication method for integrated structure such as photoconductive impedance-matched infrared detector with heterojunction blocking contacts Dec. 3, 1996
5521994 Semiconductor optical waveguide-integrated light-receiving device May. 28, 1996
5380669 Method of fabricating a two-color detector using LPE crystal growth Jan. 10, 1995
5279974 Planar PV HgCdTe DLHJ fabricated by selective cap layer growth Jan. 18, 1994
5192695 Method of making an infrared detector Mar. 9, 1993
5189297 Planar double-layer heterojunction HgCdTe photodiodes and methods for fabricating same Feb. 23, 1993
5182217 Method of fabricating a trapping-mode Jan. 26, 1993
5149957 Semiconductor-to-metal optical switch for power limitation in the infrared Sep. 22, 1992
5093704 Semiconductor device having a semiconductor region in which a band gap being continuously graded Mar. 3, 1992
5079610 Structure and method of fabricating a trapping-mode Jan. 7, 1992
5047622 Long wavelength infrared detector with heterojunction Sep. 10, 1991
5026980 Light biased photoresponsive array having low conductivity regions separating individual cells Jun. 25, 1991
5016073 Photodetector semiconductor which does not require extensive cooling May. 14, 1991
5012083 Long wavelength infrared detector with heterojunction Apr. 30, 1991
4985742 High temperature semiconductor devices having at least one gallium nitride layer Jan. 15, 1991
4982095 Multi-element type radiation detector Jan. 1, 1991

1 2 3

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