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Class Information
Number: 257/610
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > With specified dopant (e.g., plural dopants of same conductivity in same region) > Deep level dopant
Description: Subject matter including a specified dopant which establishes traps in the forbidden band of a semiconductor into which carriers may drop or rise.


Sub-classes under this class:

Class Number Class Name Patents
257/612 Deep level dopant other than gold or platinum 76
257/611 With specified distribution (e.g., laterally localized, with specified concentration distribution or gradient) 112


Patents under this class:
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Patent Number Title Of Patent Date Issued
7541663 P-type silicon wafer and method for heat-treating the same Jun. 2, 2009
7537657 Silicon wafer and process for producing it May. 26, 2009
7485920 Process to create buried heavy metal at selected depth Feb. 3, 2009
7470605 Method for fabrication of a MOS transistor Dec. 30, 2008
7432538 Field-effect transistor Oct. 7, 2008
7282781 Semiconductor device with a short-lifetime region and manufacturing method thereof Oct. 16, 2007
7259428 Semiconductor device using SOI structure having a triple-well region Aug. 21, 2007
7235863 Silicon wafer and process for producing it Jun. 26, 2007
7199431 Semiconductor devices with reduced impact from alien particles Apr. 3, 2007
7187057 Nitrogen controlled growth of dislocation loop in stress enhanced transistor Mar. 6, 2007
7123314 Thin-film transistor with set trap level densities, and method of manufactures Oct. 17, 2006
7087981 Metal semiconductor contact, semiconductor component, integrated circuit arrangement and method Aug. 8, 2006
7030464 Semiconductor device and method of manufacturing the same Apr. 18, 2006
6812523 Semiconductor wafer with ultra thin doping level formed by defect engineering Nov. 2, 2004
6794731 Minority carrier semiconductor devices with improved reliability Sep. 21, 2004
6780685 Semiconductor device and manufacturing method thereof Aug. 24, 2004
6765227 Semiconductor-on-insulator (SOI) wafer having a Si/SiGe/Si active layer and method of fabrication using wafer bonding Jul. 20, 2004
6744116 Thin film using non-thermal techniques Jun. 1, 2004
6713819 SOI MOSFET having amorphized source drain and method of fabrication Mar. 30, 2004
6707131 Semiconductor device and manufacturing method for the same Mar. 16, 2004
6639327 Semiconductor member, semiconductor device and manufacturing methods thereof Oct. 28, 2003
6635950 Semiconductor device having buried boron and carbon regions, and method of manufacture thereof Oct. 21, 2003
6605830 Power semiconductor device including an IGBT with a MOS transistor as a current suppressing device incorporated therein Aug. 12, 2003
6570233 Method of fabricating an integrated circuit May. 27, 2003
6552414 Semiconductor device with selectively diffused regions Apr. 22, 2003
6548886 Silicon semiconductor wafer and method for producing the same Apr. 15, 2003
6459141 Method and apparatus for suppressing the channeling effect in high energy deep well implantation Oct. 1, 2002
6432844 Implanted conductor and methods of making Aug. 13, 2002
6429151 Semiconductor wafer assemblies comprising silicon nitride, methods of forming silicon nitride, and methods of reducing stress on semiconductive wafers Aug. 6, 2002
6420775 Compound semiconductor device having an ion implanted defect-rich layer for improved backgate effect suppression Jul. 16, 2002
6399959 Thin film transistor with reduced metal impurities Jun. 4, 2002
6384455 MOS semiconductor device with shallow trench isolation structure and manufacturing method thereof May. 7, 2002
6369434 Nitrogen co-implantation to form shallow junction-extensions of p-type metal oxide semiconductor field effect transistors Apr. 9, 2002
6362510 Semiconductor topography having improved active device isolation and reduced dopant migration Mar. 26, 2002
6331457 Method for manufacturing a semiconductor thin film Dec. 18, 2001
6291874 Method for producing silicon single crystal wafer for particle monitoring and silicon single crystal wafer for particle monitoring Sep. 18, 2001
6281530 LPNP utilizing base ballast resistor Aug. 28, 2001
6261874 Fast recovery diode and method for its manufacture Jul. 17, 2001
6218683 Diode Apr. 17, 2001
6198157 Semiconductor device having buried boron and carbon regions Mar. 6, 2001
6191010 Process for preparing an ideal oxygen precipitating silicon wafer Feb. 20, 2001
6180269 GaAs single crystal substrate and epitaxial wafer using the same Jan. 30, 2001
6177685 Nitride-type III-V HEMT having an InN 2DEG channel layer Jan. 23, 2001
6153920 Process for controlling dopant diffusion in a semiconductor layer and semiconductor device formed thereby Nov. 28, 2000
6120749 Silicon single crystal with no crystal defect in peripheral part of wafer and process for producing the same Sep. 19, 2000
6093955 Power semiconductor device Jul. 25, 2000
6071751 Deuterium sintering with rapid quenching Jun. 6, 2000
5969407 MOSFET device with an amorphized source Oct. 19, 1999
5909051 Minority carrier semiconductor devices with improved stability Jun. 1, 1999
5864166 Bistable photoconductive switches particularly suited for frequency-agile, radio-frequency sources Jan. 26, 1999

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