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Class Information
Number: 257/E31.057
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 homojunction potential barrier (epo)
Description: This subclass is indented under subclass E31.055. This subclass is substantially the same in scope as ECLA classification H01L31/103.

Sub-classes under this class:

Class Number Class Name Patents
257/E31.058 Device comprising active layer formed only by group ii-vi compound (e.g., hgcdte ir photodiode) (epo) 146
257/E31.059 Device comprising active layer formed only by group iii-v compound (epo) 91
257/E31.06 Device comprising active layer formed only by group iv compound (epo) 15

Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8633556 Solid-state imaging device and method for making the same, and manufacturing substrate for solid-state imaging device Jan. 21, 2014
8558341 Photoelectric conversion element Oct. 15, 2013
8441089 Multilayer bispectral photodiode detector May. 14, 2013
8420236 Magnetic semiconductor material Apr. 16, 2013
8410533 Semiconductor device and method for producing same Apr. 2, 2013
8334534 Sensor and method for the manufacture thereof Dec. 18, 2012
8314446 Photo-detector array, semiconductor image intensifier and methods of making and using the same Nov. 20, 2012
8274127 Photodiode array for image pickup device Sep. 25, 2012
8258596 Stacked photoelectric conversion device and method for producing the same Sep. 4, 2012
8178912 Image sensor for minimizing a dark current and method for manufacturing the same May. 15, 2012
8080857 Semiconductor photodetecting device and illuminance sensor Dec. 20, 2011
8048705 Method and structure for a CMOS image sensor using a triple gate process Nov. 1, 2011
8022494 Photodetector and manufacturing method thereof Sep. 20, 2011
7968963 Photodiode array and image pickup device using the same Jun. 28, 2011
7943455 CMOS image sensors and methods of fabricating the same May. 17, 2011
7936038 Photodiode cell structure of photodiode integrated circuit for optical pickup and method of manufacturing the same May. 3, 2011
7888765 Optical semiconductor device Feb. 15, 2011
7888766 Photodiode array and radiation detector having depressions of predetermined depth formed in regions corresponding to the regions where the photodiodes are formed in the semiconductor substrate Feb. 15, 2011
7875890 Structures and methods to improve the crosstalk between adjacent pixels of back-illuminated photodiode arrays Jan. 25, 2011
7781253 Image sensor and method of manufacturing the same Aug. 24, 2010
7737517 Display device Jun. 15, 2010
7713766 Light sensor located above an integrated circuit May. 11, 2010
7579208 Image sensor having self-aligned and overlapped photodiode and method of making same Aug. 25, 2009
7504672 Separate absorption and detection diode Mar. 17, 2009
7495273 Double pinned photodiode for CMOS APS and method of formation Feb. 24, 2009
7432578 CMOS image sensor with enhanced photosensitivity Oct. 7, 2008
7365409 Two-transistor pixel with buried reset channel and method of formation Apr. 29, 2008
7348651 Pinned photodiode fabricated with shallow trench isolation Mar. 25, 2008
6989522 Light-receiving module and light-receiving device having malfunction preventing structure Jan. 24, 2006
6933489 Back illuminated photodiode array and method of manufacturing the same Aug. 23, 2005
6861721 Barrier region and method for wafer scale package (WCSP) devices Mar. 1, 2005
6816198 Light-electricity converting apparatus using non-volatile memory and image apparatus using the same Nov. 9, 2004
6800915 Push-pull configurations for semiconductor device having a PN-Junction with a photosensitive region Oct. 5, 2004
6753586 Distributed photodiode structure having majority dopant gradient and method for making same Jun. 22, 2004
6750523 Photodiode stacks for photovoltaic relays and the method of manufacturing the same Jun. 15, 2004
6677627 Solid state imaging device, method of manufacturing the same, and solid state imaging system Jan. 13, 2004
6656777 Solid state imaging device, method of manufacturing the same, and solid state imaging system Dec. 2, 2003
6649949 Photodiode with electrode for noise immunity Nov. 18, 2003
6649951 Light-receiving element and photoelectric conversion device Nov. 18, 2003
6597025 Light sensitive semiconductor component Jul. 22, 2003
6593636 High speed silicon photodiodes and method of manufacture Jul. 15, 2003
6590242 Light-receiving element and photoelectric conversion device Jul. 8, 2003
6566722 Photo sensor in a photo diode on a semiconductor wafer May. 20, 2003
6548878 Method for producing a thin distributed photodiode structure Apr. 15, 2003
6545258 Photo-sensor cross-section for increased quantum efficiency Apr. 8, 2003
6534759 Vertical photodetector with improved photocarrier separation and low capacitance Mar. 18, 2003
6531752 Stripe photodiode element with high quantum efficiency for an image sensor cell Mar. 11, 2003
6525355 Solid-state image sensor provided with divided photoelectric conversion part Feb. 25, 2003
6492702 Circuit-incorporating light receiving device Dec. 10, 2002
6476423 Optical detector Nov. 5, 2002

1 2 3 4

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