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Class Information
Number: 257/607
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > With specified dopant (e.g., plural dopants of same conductivity in same region)
Description: Subject matter wherein the active solid-state device contains impurity dopant atoms which are specified and are used to change the conductive properties of the semiconductor material.


Sub-classes under this class:

Class Number Class Name Patents
257/610 Deep level dopant 89
257/609 For compound semiconductor (e.g., deep level dopant) 102
257/608 Switching device based on filling and emptying of deep energy levels 30


Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
6380036 Semiconductor device and method of manufacturing the same Apr. 30, 2002
6376343 Reduction of metal silicide/silicon interface roughness by dopant implantation processing Apr. 23, 2002
6337536 White color light emitting diode and neutral color light emitting diode Jan. 8, 2002
6326274 Method for improving performance and reliability of MOS technologies and data retention characteristics of flash memory cells Dec. 4, 2001
6323520 Method for forming channel-region doping profile for semiconductor device Nov. 27, 2001
6285042 Active Matry Display Sep. 4, 2001
6281521 Silicon carbide horizontal channel buffered gate semiconductor devices Aug. 28, 2001
6274894 Low-bandgap source and drain formation for short-channel MOS transistors Aug. 14, 2001
6268640 Forming steep lateral doping distribution at source/drain junctions Jul. 31, 2001
6265745 Method for producing insulated gate thin film semiconductor device Jul. 24, 2001
6249026 MOS Transistor with a buried oxide film containing fluorine Jun. 19, 2001
6229198 Non-uniform gate doping for reduced overlap capacitance May. 8, 2001
6221705 Method for improving performance and reliability of MOS technologies and data retention characteristics of flash memory cells Apr. 24, 2001
6222251 Variable threshold voltage gate electrode for higher performance mosfets Apr. 24, 2001
6222257 Etch stop for use in etching of silicon oxide Apr. 24, 2001
6198157 Semiconductor device having buried boron and carbon regions Mar. 6, 2001
6180269 GaAs single crystal substrate and epitaxial wafer using the same Jan. 30, 2001
6165877 Method for establishing shallow junction in semiconductor device to minimize junction capacitance Dec. 26, 2000
6163053 Semiconductor device having opposite-polarity region under channel Dec. 19, 2000
6153920 Process for controlling dopant diffusion in a semiconductor layer and semiconductor device formed thereby Nov. 28, 2000
6153910 Semiconductor device with nitrogen implanted channel region Nov. 28, 2000
6147014 Forming of deuterium containing nitride spacers and fabrication of semiconductor devices Nov. 14, 2000
6143632 Deuterium doping for hot carrier reliability improvement Nov. 7, 2000
6107643 Photoconductive switch with doping adapted to the intensity distribution of an illumination source thereof Aug. 22, 2000
6075259 Power semiconductor devices that utilize buried insulating regions to achieve higher than parallel-plane breakdown voltages Jun. 13, 2000
6072226 Field isolation structure formed using ozone oxidation and tapering Jun. 6, 2000
6071751 Deuterium sintering with rapid quenching Jun. 6, 2000
6064096 Semiconductor LDD device having halo impurity regions May. 16, 2000
6043139 Process for controlling dopant diffusion in a semiconductor layer Mar. 28, 2000
6028015 Process for treating damaged surfaces of low dielectric constant organo silicon oxide insulation material to inhibit moisture absorption Feb. 22, 2000
6013943 Etch stop for use in etching of silicon oxide Jan. 11, 2000
6013927 Semiconductor structures for suppressing gate oxide plasma charging damage and methods for making the same Jan. 11, 2000
6011810 Doping of germanium and silicon crystals with non-hydrogenic acceptors for far infrared lasers Jan. 4, 2000
6005285 Argon doped epitaxial layers for inhibiting punchthrough within a semiconductor device Dec. 21, 1999
5990493 Diamond etch stop rendered conductive by a gas cluster ion beam implant of titanium Nov. 23, 1999
5985728 Silicon on insulator process with recovery of a device layer from an etch stop layer Nov. 16, 1999
5973370 Preventing boron penetration through thin gate oxide of P-channel devices in advanced CMOS technology Oct. 26, 1999
5969395 Integrated circuit memory devices with high and low dopant concentration regions of different diffusivities Oct. 19, 1999
5969407 MOSFET device with an amorphized source Oct. 19, 1999
5965932 Contamination free source for shallow low energy junction implants using implanted molecules containing titanium and boron Oct. 12, 1999
5962914 Reduced bird's beak field oxidation process using nitrogen implanted into active region Oct. 5, 1999
5962869 Semiconductor material and method for forming the same and thin film transistor Oct. 5, 1999
5959333 Reduction of dopant diffusion by the co-implantation of impurities into the transistor gate conductor Sep. 28, 1999
5939769 Bipolar power transistor with high collector breakdown voltage and related manufacturing process Aug. 17, 1999
5936287 Nitrogenated gate structure for improved transistor performance and method for making same Aug. 10, 1999
5874772 Semiconductor device Feb. 23, 1999
5872387 Deuterium-treated semiconductor devices Feb. 16, 1999
5838058 Semiconductor substrate and semiconductor device employing the same Nov. 17, 1998
5825066 Control of juction depth and channel length using generated interstitial gradients to oppose dopant diffusion Oct. 20, 1998
5825052 Semiconductor light emmitting device Oct. 20, 1998

1 2 3 4 5 6


 
 
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