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Class Information
Number: 257/E31.073
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) > Field-effect type (e.g., junction field-effect phototransistor) (epo)
Description: This subclass is indented under subclass E31.054. This subclass is substantially the same in scope as ECLA classification H01L31/112.

Sub-classes under this class:

Class Number Class Name Patents
257/E31.083 Conductor-insulator-semiconductor type (epo) 65
257/E31.08 With pn heterojunction gate (epo) 4
257/E31.077 With pn homojunction gate (epo) 6
257/E31.074 With schottky gate (epo) 8

Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8680640 Solid-state imaging device Mar. 25, 2014
8664739 Image sensor comprising isolated germanium photodetectors integrated with a silicon substrate and silicon circuitry Mar. 4, 2014
8546901 High sensitivity image sensors including a single electron field effect transistor and methods of operating the same Oct. 1, 2013
8519455 Light signal transfer device with conductive carbon line Aug. 27, 2013
8513675 Vertical junction field effect transistors having sloped sidewalls and methods of making Aug. 20, 2013
8508014 Solid-state image sensor and imaging device having connection portions in circumference region Aug. 13, 2013
8502290 High full-well capacity pixel with graded photodetector implant Aug. 6, 2013
8471312 Solid-state imaging device and camera Jun. 25, 2013
8415713 Photo-field effect transistor and its production method Apr. 9, 2013
8415720 Vertically pinched junction field effect transistor Apr. 9, 2013
8389319 SOI-based CMOS imagers employing flash gate/chemisorption processing Mar. 5, 2013
8368122 Multiple-junction photoelectric device Feb. 5, 2013
8344432 Solid state imaging device and imaging apparatus Jan. 1, 2013
8319262 Substrate bias for CMOS imagers Nov. 27, 2012
8299484 Optoelectronic semiconductor chip Oct. 30, 2012
8293629 High full-well capacity pixel with graded photodetector implant Oct. 23, 2012
8202772 Vertical junction field effect transistors having sloped sidewalls and methods of making Jun. 19, 2012
8138532 Pin photodiode and manufacturing method of same Mar. 20, 2012
8093633 Method and device for wavelength-sensitive photo-sensing Jan. 10, 2012
8084790 Image sensing device and packaging method thereof Dec. 27, 2011
8058655 Vertical junction field effect transistors having sloped sidewalls and methods of making Nov. 15, 2011
8058657 Display device Nov. 15, 2011
8048705 Method and structure for a CMOS image sensor using a triple gate process Nov. 1, 2011
8026565 Thin film semiconductor device comprising nanocrystalline silicon powder Sep. 27, 2011
7936039 Backside illuminated CMOS image sensor with photo gate pixel May. 3, 2011
7915652 Integrated infrared and color CMOS imager sensor Mar. 29, 2011
7902622 Solid-state imaging device Mar. 8, 2011
7902623 Solid-state imaging device Mar. 8, 2011
7888156 Predoped transfer gate for a CMOS image sensor Feb. 15, 2011
7868335 Modulation doped super-lattice sub-collector for high-performance HBTs and BJTs Jan. 11, 2011
7859031 Light modulating sensing MOSFET transistor and process for manufacturing the same Dec. 28, 2010
7855407 CMOS image sensor and method for manufacturing the same Dec. 21, 2010
7834380 Field effect transistor and method for fabricating the same Nov. 16, 2010
7816755 Photoelectric conversion device with isolation arrangement that reduces pixel space without reducing resolution or sensitivity Oct. 19, 2010
7795083 Semiconductor structure and fabrication method thereof Sep. 14, 2010
7755150 MOS solid-state image pickup device and manufacturing method thereof Jul. 13, 2010
7709868 Light sensing element, array substrate having the same and liquid crystal display apparatus having the same May. 4, 2010
7687875 Image sensors including photoelectric converting units having multiple impurity regions Mar. 30, 2010
7598547 Low noise vertical variable gate control voltage JFET device in a BiCMOS process and methods to build this device Oct. 6, 2009
7592682 Optical waveguide and photoreceptor Sep. 22, 2009
7531849 High performance FET devices May. 12, 2009
7462890 Nanotube transistor integrated circuit layout Dec. 9, 2008
7385272 Method and apparatus for removing electrons from CMOS sensor photodetectors Jun. 10, 2008
7250665 Method and apparatus for removing electrons from CMOS sensor photodetectors Jul. 31, 2007
6936821 Amplified photoconductive gate Aug. 30, 2005
6897519 Tunneling floating gate APS pixel May. 24, 2005
6870209 CMOS pixel with dual gate PMOS Mar. 22, 2005
6720589 Semiconductor device Apr. 13, 2004
6309907 Method of fabricating transistor with silicon oxycarbide gate Oct. 30, 2001
6268615 Photodetector Jul. 31, 2001

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