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Class Information
Number: 438/174
Name: Semiconductor device manufacturing: process > Making field effect device having pair of active regions separated by gate structure by formation or alteration of semiconductive active regions > Having schottky gate (e.g., mesfet, hemt, etc.) > Doping of semiconductive channel region beneath gate (e.g., threshold voltage adjustment, etc.)
Description: Process for making a Schottky gate field effect transistor having a step of introducing an electrically active dopant species into the semiconductor channel region beneath the gate electrode.

Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8692229 Replacement contacts for all-around contacts Apr. 8, 2014
8685810 Power layout for integrated circuits Apr. 1, 2014
8679906 Asymmetric multi-gated transistor and method for forming Mar. 25, 2014
8629013 Junction leakage reduction through implantation Jan. 14, 2014
8618627 Shielded level shift transistor Dec. 31, 2013
8610221 Low mismatch semiconductor device and method for fabricating same Dec. 17, 2013
8530286 Low power semiconductor transistor structure and method of fabrication thereof Sep. 10, 2013
8389349 Method of manufacturing a capacitive transducer Mar. 5, 2013
8325516 Semiconductor device with split gate memory cell and fabrication method thereof Dec. 4, 2012
8298884 Method to reduce threshold voltage variability with through gate well implant Oct. 30, 2012
8264020 Static RAM cell design and multi-contact regime for connecting double channel transistors Sep. 11, 2012
8248502 Photoelectric conversion device and method for making the same Aug. 21, 2012
8237239 Schottky diode device and method for fabricating the same Aug. 7, 2012
8183096 Static RAM cell design and multi-contact regime for connecting double channel transistors May. 22, 2012
8154059 Semiconductor device and method for manufacturing the same Apr. 10, 2012
8071434 Method of fabricating a thin film transistor using boron-doped oxide semiconductor thin film Dec. 6, 2011
7972915 Monolithic integration of enhancement- and depletion-mode AlGaN/GaN HFETs Jul. 5, 2011
7955918 Robust transistors with fluorine treatment Jun. 7, 2011
7915107 Integrated circuit using complementary junction field effect transistor and MOS transistor in silicon and silicon alloys Mar. 29, 2011
7892865 Method of manufacturing a single chip semiconductor integrated circuit device including a mask ROM in a short time Feb. 22, 2011
7893507 Metal oxide semiconductor (MOS) transistors with increased break down voltages and methods of making the same Feb. 22, 2011
7879669 Fabrication of field-effect transistor with reduced junction capacitance and threshold voltage of magnitude that decreases with increasing channel length Feb. 1, 2011
7875915 Integrated circuit comprising a photodiode of the floating substrate type and corresponding fabrication process Jan. 25, 2011
7858456 Merged P-i-N Schottky structure Dec. 28, 2010
7811873 Method for fabricating MOS-FET Oct. 12, 2010
RE41764 Semiconductor device with compensated threshold voltage and method for making same Sep. 28, 2010
7772063 Reduced-step CMOS processes for low-cost radio frequency identification devices Aug. 10, 2010
7767536 Semiconductor device and fabricating method thereof Aug. 3, 2010
7759700 Semiconductor device Jul. 20, 2010
7727867 Method for manufacturing SIMOX wafer Jun. 1, 2010
7718498 Semiconductor device and method of producing same May. 18, 2010
7691693 Method for suppressing layout sensitivity of threshold voltage in a transistor array Apr. 6, 2010
7670875 Method of manufacturing a single chip semiconductor integrated circuit device including a mask ROM in a short time Mar. 2, 2010
7645712 Method of forming contact Jan. 12, 2010
7566668 Method of forming contact Jul. 28, 2009
7524714 Method for manufacturing semiconductor device Apr. 28, 2009
7501317 Method of manufacturing semiconductor device Mar. 10, 2009
7485514 Method for fabricating a MESFET Feb. 3, 2009
7387908 CMOS imager with enhanced transfer of charge and low voltage operation and method of formation Jun. 17, 2008
7385232 CMOS imager with enhanced transfer of charge and low voltage operation and method of formation Jun. 10, 2008
7348251 Modulated trigger device Mar. 25, 2008
7332447 Method of forming a contact Feb. 19, 2008
7297580 Methods of fabricating transistors having buried p-type layers beneath the source region Nov. 20, 2007
7226824 Nitrogen controlled growth of dislocation loop in stress enhanced transistor Jun. 5, 2007
7157299 Nanofabrication of InAs/A1Sb heterostructures Jan. 2, 2007
7135367 Manufacturing method of semiconductor device Nov. 14, 2006
7064388 Semiconductor device and method for manufacturing the same Jun. 20, 2006
7033873 Methods of controlling gate electrode doping, and systems for accomplishing same Apr. 25, 2006
6924180 Method of forming a pocket implant region after formation of composite insulator spacers Aug. 2, 2005
6879006 MOS transistor and method for fabricating the same Apr. 12, 2005

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