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Class Information
Number: 438/289
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 insulated gate (e.g., igfet, misfet, mosfet, etc.) > Doping of semiconductive channel region beneath gate insulator (e.g., adjusting threshold voltage, etc.)
Description:


Sub-classes under this class:

Class Number Class Name Patents
438/290 After formation of source or drain regions and gate electrode 176
438/291 Using channel conductivity dopant of opposite type as that of source and drain 370


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

Patent Number Title Of Patent Date Issued
7622351 Method of manufacturing semiconductor device and semiconductor device Nov. 24, 2009
7622353 Method for forming recessed gate structure with stepped profile Nov. 24, 2009
7618866 Structure and method to form multilayer embedded stressors Nov. 17, 2009
7615492 Preparing method of CNT-based semiconductor sensitized solar cell Nov. 10, 2009
7605041 Semiconductor device and its manufacture method Oct. 20, 2009
7601598 Reverse metal process for creating a metal silicide transistor gate structure Oct. 13, 2009
7598146 Self-aligned gate and method Oct. 6, 2009
7595243 Fabrication of semiconductor structure having N-channel channel-junction field-effect transistor Sep. 29, 2009
7588986 Method of manufacturing a semiconductor device Sep. 15, 2009
7582534 Chemical doping of nano-components Sep. 1, 2009
7569444 Transistor and method for manufacturing thereof Aug. 4, 2009
7569449 Processes providing high and low threshold p-type and n-type transistors Aug. 4, 2009
7566934 Semiconductor device to suppress leak current at an end of an isolation film Jul. 28, 2009
7563682 LDMOS transistor device, integrated circuit, and fabrication method thereof Jul. 21, 2009
7557023 Implantation of gate regions in semiconductor device fabrication Jul. 7, 2009
7550354 Nanoelectromechanical transistors and methods of forming same Jun. 23, 2009
7544595 Forming a semiconductor device having a metal electrode and structure thereof Jun. 9, 2009
7534688 Nonvolatile memory device with a non-planar gate-insulating layer and method of fabricating the same May. 19, 2009
7531404 Semiconductor device having a metal gate electrode formed on an annealed high-k gate dielectric layer May. 12, 2009
7524728 Thin film transistor manufacturing method and organic electroluminescent display device Apr. 28, 2009
7521305 Method for fabricating semiconductor device Apr. 21, 2009
7517760 Semiconductor device manufacturing method including three gate insulating films Apr. 14, 2009
7514332 Semiconductor device and method for manufacturing the same Apr. 7, 2009
7504327 Method of manufacturing thin film semiconductor device Mar. 17, 2009
7501324 Advanced CMOS using super steep retrograde wells Mar. 10, 2009
7491605 Zero cost non-volatile memory cell with write and erase features Feb. 17, 2009
7488657 Method and system for forming straight word lines in a flash memory array Feb. 10, 2009
7488653 Semiconductor device and method for implantation of doping agents in a channel Feb. 10, 2009
7482198 Method for producing through-contacts and a semiconductor component with through-contacts Jan. 27, 2009
7482220 Semiconductor device having deep trench charge compensation regions and method Jan. 27, 2009
7470593 Method for manufacturing a cell transistor of a semiconductor memory device Dec. 30, 2008
7465633 Methods of forming field effect transistors and capacitor-free dynamic random access memory cells Dec. 16, 2008
7462543 Flash memory cell transistor with threshold adjust implant and source-drain implant formed using a single mask Dec. 9, 2008
7446002 Method for making a semiconductor device comprising a superlattice dielectric interface layer Nov. 4, 2008
7442971 Self-biasing transistor structure and an SRAM cell having less than six transistors Oct. 28, 2008
7439140 Formation of standard voltage threshold and low voltage threshold MOSFET devices Oct. 21, 2008
7439165 Method of fabricating tensile strained layers and compressive strain layers for a CMOS device Oct. 21, 2008
7432164 Semiconductor device comprising a transistor having a counter-doped channel region and method for forming the same Oct. 7, 2008
7432160 Semiconductor devices including transistors having three dimensional channels and methods of fabricating the same Oct. 7, 2008
7432136 Transistors with controllable threshold voltages, and various methods of making and operating same Oct. 7, 2008
7422948 Threshold voltage adjustment for long channel transistors Sep. 9, 2008
7413946 Formation of standard voltage threshold and low voltage threshold MOSFET devices Aug. 19, 2008
7405129 Device comprising doped nano-component and method of forming the device Jul. 29, 2008
7402495 Method for manufacturing a semiconductor device Jul. 22, 2008
7399679 Narrow width effect improvement with photoresist plug process and STI corner ion implantation Jul. 15, 2008
7396775 Method for manufacturing semiconductor device Jul. 8, 2008
7393767 Method for implanting a cell channel ion of semiconductor device Jul. 1, 2008
7387908 CMOS imager with enhanced transfer of charge and low voltage operation and method of formation Jun. 17, 2008
7381621 Methods of fabricating high voltage MOSFET having doped buried layer Jun. 3, 2008
7368356 Transistor with doped gate dielectric May. 6, 2008

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


 
 
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