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Class Information
Number: 257/E31.014
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) > Characterized by semiconductor body (epo) > Characterized by semiconductor body material (epo) > Inorganic materials (epo) > Including, apart from doping material or other impurity, only group iv element (epo) > Characterized by doping material (epo)
Description: This subclass is indented under subclass E31.011. This subclass is substantially the same in scope as ECLA classification H01L31/0288.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8377738 Fabrication of solar cells with counter doping prevention Feb. 19, 2013
7816167 Method of fabricating a differential doped solar cell Oct. 19, 2010
7670937 Method for producing doped regions in a substrate, and photovoltaic cell Mar. 2, 2010
7638351 Photodiode with fiber mode dispersion compensation Dec. 29, 2009
7279764 Silicon-based resonant cavity photodiode for image sensors Oct. 9, 2007
6943390 High-gain photodetector with separated PN junction and rare earth doped region and a method of forming the same Sep. 13, 2005
RE38727 Photoelectric conversion device and method of making the same Apr. 19, 2005
6844248 Method of doping silicon, metal doped silicon, method of making solar cells, and solar cells Jan. 18, 2005
6737340 Method and apparatus for self-doping contacts to a semiconductor May. 18, 2004
6703295 Method and apparatus for self-doping contacts to a semiconductor Mar. 9, 2004
6695903 Dopant pastes for the production of p, p+, and n, n+ regions in semiconductors Feb. 24, 2004
6664631 Apparatus for self-doping contacts to a semiconductor Dec. 16, 2003
6664566 Photoelectric conversion device and method of making the same Dec. 16, 2003
6632730 Method for self-doping contacts to a semiconductor Oct. 14, 2003
6613653 Method of doping silicon, metal doped silicon, method of making solar cells, and solar cells Sep. 2, 2003
6503771 Semiconductor photoelectrically sensitive device Jan. 7, 2003
6346716 Semiconductor material having particular oxygen concentration and semiconductor device comprising the same Feb. 12, 2002
6339013 Method of doping silicon, metal doped silicon, method of making solar cells, and solar cells Jan. 15, 2002
RE37441 Photoelectric conversion device Nov. 13, 2001
6313398 Ga-doped multi-crytsalline silicon, Ga-doped multi-crystalline silicon wafer and method for producing the same Nov. 6, 2001
6262359 Aluminum alloy back junction solar cell and a process for fabrication thereof Jul. 17, 2001
6180991 Semiconductor having low concentration of phosphorous Jan. 30, 2001
6096968 Solar cell with a back-surface field Aug. 1, 2000
6028264 Semiconductor having low concentration of carbon Feb. 22, 2000
6013872 Directionally solidified, multicrystalline silicon, a process for the production thereof and its use, and solar cells containing this silicon and a process for the production thereof Jan. 11, 2000
5926727 Phosphorous doping a semiconductor particle Jul. 20, 1999
5899704 Solar cell with a back-surface field method of production May. 4, 1999
5785769 Substrate for thin silicon solar cells Jul. 28, 1998
5763320 Boron doping a semiconductor particle Jun. 9, 1998
5646425 Supersaturated rare earth doped semiconductor layers by chemical vapor deposition Jul. 8, 1997
5581099 CCD solid state image device which has a semiconductor substrate with a P-type region with an N-type region formed therein by injection of arsenic Dec. 3, 1996
5534079 Supersaturated rare earth doped semiconductor layers formed by chemical vapor deposition Jul. 9, 1996
5476808 Method of making CCD solid state image sensing device Dec. 19, 1995
5468653 Photoelectric conversion device and method of making the same Nov. 21, 1995
5431743 Silicon for solar cells, a process for the preparation thereof, and the use thereof Jul. 11, 1995
5401331 Substrate for thin silicon solar cells Mar. 28, 1995
5349204 Photoelectric conversion device Sep. 20, 1994
5338691 Method of making a photodiode with reduced junction area Aug. 16, 1994
5322813 Method of making supersaturated rare earth doped semiconductor layers by chemical vapor deposition Jun. 21, 1994
5288656 Method of manufacturing a CCD solid state image sensing device Feb. 22, 1994
5243215 Semiconductor photodiode device with reduced junction area Sep. 7, 1993
5168321 Doped-germanium sensor for use in a system to control the alignment of a CO.sub.2 laser beam Dec. 1, 1992
5156978 Method of fabricating solar cells Oct. 20, 1992
5146296 Devices for detecting and/or imaging single photoelectron Sep. 8, 1992
5106763 Method of fabricating solar cells Apr. 21, 1992
5077223 Photoelectric conversion device and method of making the same Dec. 31, 1991
5057892 Light responsive avalanche diode Oct. 15, 1991
5021854 Silicon avalanche photodiode array Jun. 4, 1991
4875944 Amorphous photoelectric converting device Oct. 24, 1989
4843451 Photovoltaic device with O and N doping Jun. 27, 1989

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