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Class Information
Number: 257/E21.131
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Processes or apparatus adapted for manufacture or treatment of semiconductor or solid-state devices or of parts thereof (epo) > Manufacture or treatment of semiconductor device (epo) > Device having at least one potential-jump barrier or surface barrier, e.g., pn junction, depletion layer, carrier concentration layer (epo) > Device having semiconductor body comprising group iv elements or group iii-v compounds with or without impurities, e.g., doping materials (epo) > Deposition of semiconductor material on substrate, e.g., epitaxial growth, solid phase epitaxy (epo) > Selective epilaxial growth, e.g., simultaneous deposition of mono- and non-mono semiconductor material (epo)
Description: This subclass is indented under subclass E21.09. This subclass is substantially the same in scope as ECLA classification H01L21/20C.


Sub-classes under this class:

Class Number Class Name Patents
257/E21.132 Preparation of substrate for selective epitaxy (epo) 30


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13

Patent Number Title Of Patent Date Issued
7615420 Method for manufacturing indium gallium aluminium nitride thin film on silicon substrate Nov. 10, 2009
7589001 Semiconductor base and its manufacturing method, and semiconductor crystal manufacturing method Sep. 15, 2009
7560350 Method for forming strained semiconductor device and method for forming source/drain region Jul. 14, 2009
7557010 Method to improve writer leakage in a SiGe bipolar device Jul. 7, 2009
7554139 Semiconductor manufacturing method and semiconductor device Jun. 30, 2009
7553718 Methods, systems and structures for forming semiconductor structures incorporating high-temperature processing steps Jun. 30, 2009
7521723 Surface emitting semiconductor laser chip and method for producing the chip Apr. 21, 2009
7491984 Method for fabricating group III nitride compound semiconductors and group III nitride compound semiconductor devices Feb. 17, 2009
7465606 Resistance welded solder crimp for joining stranded wire to a copper lead-frame Dec. 16, 2008
7446024 Method of forming nanowires with a narrow diameter distribution Nov. 4, 2008
7411254 Semiconductor substrate Aug. 12, 2008
7405131 Method and structure to prevent silicide strapping of source/drain to body in semiconductor devices with source/drain stressor Jul. 29, 2008
7393710 Fabrication method of multi-wavelength semiconductor laser device Jul. 1, 2008
7375374 Method for repairing thin film transistor array substrate May. 20, 2008
7358544 Nitride semiconductor light emitting device Apr. 15, 2008
7342261 Light emitting device Mar. 11, 2008
7291524 Schottky-barrier mosfet manufacturing method using isotropic etch process Nov. 6, 2007
7276411 Trench semiconductor device having gate oxide layer with multiple thicknesses and processes of fabricating the same Oct. 2, 2007
7265386 Thin film transistor array substrate and method for repairing the same Sep. 4, 2007
7224008 Self-aligned production method for an insulated gate semiconductor device cell and insulated gate semiconductor device cell May. 29, 2007
7220650 Sidewall spacer for semiconductor device and fabrication method thereof May. 22, 2007
7122449 Methods of fabricating semiconductor structures having epitaxially grown source and drain elements Oct. 17, 2006
7118952 Method of making transistor with strained source/drain Oct. 10, 2006
7067339 Selective growth method, and semiconductor light emitting device and fabrication method thereof Jun. 27, 2006
7067387 Method of manufacturing dielectric isolated silicon structure Jun. 27, 2006
7060516 Method for integrating optical devices in a single epitaxial growth step Jun. 13, 2006
7052979 Production method for semiconductor crystal and semiconductor luminous element May. 30, 2006
7049218 Method of fabricating local interconnection using selective epitaxial growth May. 23, 2006
7045836 Semiconductor structure having a strained region and a method of fabricating same May. 16, 2006
7042150 Light-emitting device, method of fabricating the device, and LED lamp using the device May. 9, 2006
7029977 Fabrication method of semiconductor wafer Apr. 18, 2006
7030417 Semiconductor light emitting device and fabrication method thereof Apr. 18, 2006
7015511 Gallium nitride-based light emitting device and method for manufacturing the same Mar. 21, 2006
7012314 Semiconductor devices with reduced active region defects and unique contacting schemes Mar. 14, 2006
7009257 Methods of manufacturing integrated circuit devices having reduced contact resistance between a substrate and a contact pad while maintaining separation of the substrate and the contact pad an Mar. 7, 2006
7008839 Method for manufacturing semiconductor thin film Mar. 7, 2006
6998305 Enhanced selectivity for epitaxial deposition Feb. 14, 2006
6994751 Nitride-based semiconductor element and method of forming nitride-based semiconductor Feb. 7, 2006
6987055 Methods for deposition of semiconductor material Jan. 17, 2006
6984560 Methods of forming quantum dots in semiconductor devices Jan. 10, 2006
6984840 Optical semiconductor device having an epitaxial layer of III-V compound semiconductor material containing N as a group V element Jan. 10, 2006
6982435 Group III nitride compound semiconductor device and method for producing the same Jan. 3, 2006
6979584 Method for producing group III nitride compound semiconductor and group III nitride compound semiconductor device Dec. 27, 2005
6972245 Method for co-fabricating strained and relaxed crystalline and poly-crystalline structures Dec. 6, 2005
6972228 Method of forming an element of a microelectronic circuit Dec. 6, 2005
6972206 Nitride semiconductor, semiconductor device, and method of manufacturing the same Dec. 6, 2005
6969670 Selective growth method, and semiconductor light emitting device and fabrication method thereof Nov. 29, 2005
6967359 Nitride semiconductor substrate production method thereof and semiconductor optical device using the same Nov. 22, 2005
6967122 Group III nitride compound semiconductor and method for manufacturing the same Nov. 22, 2005
6964705 Method for producing semiconductor crystal Nov. 15, 2005

1 2 3 4 5 6 7 8 9 10 11 12 13


 
 
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