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Class Information
Number: 438/301
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.) > Self-aligned > Source or drain doping
Description: Process having a step for the self-aligned introduction of electrically active dopant species into the semiconductor regions of the substrate to form the transistor source or drain regions or portions thereof.


Sub-classes under this class:

Class Number Class Name Patents
438/302 Oblique implantation 480
438/306 Plural doping steps 539
438/303 Utilizing gate sidewall structure 1,311


Patents under this class:

Patent Number Title Of Patent Date Issued
6818519 Method of forming organic spacers and using organic spacers to form semiconductor device features Nov. 16, 2004
6815358 Electron beam lithography method for plating sub-100 nm trenches Nov. 9, 2004
6812106 Reduced dopant deactivation of source/drain extensions using laser thermal annealing Nov. 2, 2004
6812121 Process for forming a low resistivity titanium silicide layer on a silicon semiconductor substrate Nov. 2, 2004
6809376 Semiconductor integrated circuit device and manufacture method therefore Oct. 26, 2004
6806149 Sidewall processes using alkylsilane precursors for MOS transistor fabrication Oct. 19, 2004
6806151 Methods and apparatus for inducing stress in a semiconductor device Oct. 19, 2004
6806152 Retrograde doped buried layer transistor and method for producing the same Oct. 19, 2004
6806153 Method of manufacturing a field effect transistor Oct. 19, 2004
6806156 Process for fabricating a MOS transistor of short gate length and integrated circuit comprising such a transistor Oct. 19, 2004
6803263 Method of fabricating TFT with self-aligned structure Oct. 12, 2004
6803287 Method for forming a semiconductor device having contact wires of different sectional areas Oct. 12, 2004
6800530 Triple layer hard mask for gate patterning to fabricate scaled CMOS transistors Oct. 5, 2004
6797555 Direct implantation of fluorine into the channel region of a PMOS device Sep. 28, 2004
6797556 MOS transistor structure and method of fabrication Sep. 28, 2004
6797574 Method of fabricating W/TiN gate for MOSFETS Sep. 28, 2004
6797602 Method of manufacturing a semiconductor device with supersaturated source/drain extensions and metal silicide contacts Sep. 28, 2004
6794258 High-performance MOS transistor of LDD structure having a gate insulating film with a nitride central portion and oxide end portions Sep. 21, 2004
6790734 Manufacturing method of semiconductor device Sep. 14, 2004
6790756 Self aligned channel implant, elevated S/D process by gate electrode damascene Sep. 14, 2004
6787419 Method of forming an embedded memory including forming three silicon or polysilicon layers Sep. 7, 2004
6787426 Method for forming word line of semiconductor device Sep. 7, 2004
6780713 Process for manufacturing a DMOS transistor Aug. 24, 2004
6780720 Method for fabricating a nitrided silicon-oxide gate dielectric Aug. 24, 2004
6780722 Field effect transistor on insulating layer and manufacturing method Aug. 24, 2004
6777296 Semiconductor device and manufacturing method thereof Aug. 17, 2004
6777298 Elevated source drain disposable spacer CMOS Aug. 17, 2004
6773978 Methods for improved metal gate fabrication Aug. 10, 2004
6773997 Method for manufacturing a high voltage MOSFET semiconductor device with enhanced charge controllability Aug. 10, 2004
6774001 Self-aligned gate and method Aug. 10, 2004
6770529 EDMOS device having a lattice type drift region and method of manufacturing the same Aug. 3, 2004
6767808 Method for fabricating semiconductor device Jul. 27, 2004
6767809 Method of forming ultra shallow junctions Jul. 27, 2004
6767831 Method for forming cobalt salicides Jul. 27, 2004
6764903 Dual hard mask layer patterning method Jul. 20, 2004
6762469 High performance CMOS device structure with mid-gap metal gate Jul. 13, 2004
6759302 Method of generating multiple oxides by plasma nitridation on oxide Jul. 6, 2004
6753232 Method for fabricating semiconductor device Jun. 22, 2004
6753235 Method of manufacturing CMOS thin film transistor Jun. 22, 2004
6750106 Polysilicon gate doping level variation for reduced leakage current Jun. 15, 2004
6746944 Low nisi/si interface contact resistance with preamorphizing and laser thermal annealing Jun. 8, 2004
6743680 Process for manufacturing transistors having silicon/germanium channel regions Jun. 1, 2004
6743685 Semiconductor device and method for lowering miller capacitance for high-speed microprocessors Jun. 1, 2004
6740555 Semiconductor structures and manufacturing methods May. 25, 2004
6737308 Semiconductor device having LDD-type source/drain regions and fabrication method thereof May. 18, 2004
6737342 Composite spacer scheme with low overlapped parasitic capacitance May. 18, 2004
6737688 Method for manufacturing semiconductor device May. 18, 2004
6734071 Methods of forming insulative material against conductive structures May. 11, 2004
6734079 Microelectronic fabrication having sidewall passivated microelectronic capacitor structure fabricated therein May. 11, 2004
6734099 System for preventing excess silicon consumption in ultra shallow junctions May. 11, 2004



 
 
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