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Class Information
Number: 257/E31.086
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 very short wavelength (e.g., x-ray, gamma-ray, or corpuscular radiation) (epo)
Description: This subclass is indented under subclass E31.053. This subclass is substantially the same in scope as ECLA classification H01L31/115.

Sub-classes under this class:

Class Number Class Name Patents
257/E31.087 Bulk-effect radiation detector (e.g., ge-li compensated pin gamma-ray detector) (epo) 18
257/E31.091 Field-effect type (e.g., mis-type detector) (epo) 27
257/E31.089 With surface barrier or shallow pn junction (e.g., surface barrier alpha-particle detector) (epo) 14

Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8501573 High-resolution integrated X-ray CMOS image sensor Aug. 6, 2013
8482108 Wafer-scale X-ray detector and method of manufacturing the same Jul. 9, 2013
8441001 Photodetector, flat X-ray detector and method for producing the same May. 14, 2013
8421172 Simplified silicon drift detector and wraparound neutron detector Apr. 16, 2013
8314468 Variable ring width SDD Nov. 20, 2012
8310021 Neutron detector with wafer-to-wafer bonding Nov. 13, 2012
8158449 Particle emission analysis for semiconductor fabrication steps Apr. 17, 2012
8093671 Semiconductor device with a bulk single crystal on a substrate Jan. 10, 2012
8093095 Semiconductor device with a bulk single crystal on a substrate Jan. 10, 2012
8044476 Wide range radiation detector and manufacturing method Oct. 25, 2011
7994593 Quantum wire sensor and methods of forming and using same Aug. 9, 2011
7884438 Megavoltage imaging with a photoconductor based sensor Feb. 8, 2011
7812355 Semiconductor device and method for manufacturing the same, liquid crystal television, and EL television Oct. 12, 2010
7781856 Silicon-based visible and near-infrared optoelectric devices Aug. 24, 2010
7112833 Semiconductor device and manufacturing method thereof Sep. 26, 2006
7002156 Detection system including avalanche photodiode for use in harsh environments Feb. 21, 2006
6878942 Method and apparatus for detecting X-rays Apr. 12, 2005
6660567 Method of fabricating an array substrate for an X-ray detector Dec. 9, 2003
6528819 Method of fabricating an array substrate for an x-ray detector Mar. 4, 2003
6486476 Semiconductor radiation detector and manufacture thereof Nov. 26, 2002
6475824 X-ray detector and method of fabricating the same Nov. 5, 2002
6465857 Semiconductor particle detector and a method for its manufacture Oct. 15, 2002
6455858 Semiconductor radiation detector Sep. 24, 2002
6437340 Planar image detector for electromagnetic radiation, particularly X-rays Aug. 20, 2002
6403963 Delta-doped CCD's as low-energy particle detectors and imagers Jun. 11, 2002
6259099 Ultra-thin ionizing radiation detector and methods for making same Jul. 10, 2001
6222209 Wide wavelength range high efficiency avalanche light detector with negative feedback Apr. 24, 2001
6204087 Fabrication of three-dimensional architecture for solid state radiation detectors Mar. 20, 2001
6184562 Strip detector Feb. 6, 2001
6177710 Semiconductor waveguide type photodetector and method for manufacturing the same Jan. 23, 2001
6174750 Process for fabricating a drift-type silicon radiation detector Jan. 16, 2001
6175120 High-resolution ionization detector and array of such detectors Jan. 16, 2001
6168967 Reduction of surface leakage current by surface passivation of CdZn Te and other materials using hyperthermal oxygen atoms Jan. 2, 2001
6069360 Method and apparatus for electron-only radiation detectors from semiconductor materials May. 30, 2000
6043495 Ionizing radiation detection apparatus using high-resistivity semiconductor Mar. 28, 2000
6020619 Radioactive rays detection semiconductor device Feb. 1, 2000
5907156 Wide range radiation detector May. 25, 1999
5889313 Three-dimensional architecture for solid state radiation detectors Mar. 30, 1999
5880490 Semiconductor radiation detectors with intrinsic avalanche multiplication in self-limiting mode of operation Mar. 9, 1999
5880471 Neutron detector Mar. 9, 1999
5854506 Semiconductor particle-detector Dec. 29, 1998
5844291 Wide wavelength range high efficiency avalanche light detector with negative feedback Dec. 1, 1998
5821539 Fast operating radiation detector and method for operating same Oct. 13, 1998
5796153 Variable-response x-ray detection assemblies and methods of using same Aug. 18, 1998
5688698 Method of fabricating a device having a wafer with integrated processing circuits thereon Nov. 18, 1997
5616925 Gamma ray detector with improved resolution and method of fabrication Apr. 1, 1997
5587611 Coplanar X-ray photodiode assemblies Dec. 24, 1996
5510644 CDTE x-ray detector for use at room temperature Apr. 23, 1996
5500534 Integrated energy-sensitive and position-sensitive x-ray detection system Mar. 19, 1996
5391882 Semiconductor gamma ray detector including compositionally graded, leakage current blocking potential barrier layers and method of fabricating the detector Feb. 21, 1995

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