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Class Information
Number: 438/558
Name: Semiconductor device manufacturing: process > Introduction of conductivity modifying dopant into semiconductive material > Diffusing a dopant > From solid dopant source in contact with semiconductor region
Description: Processes wherein the electrically active impurity is produced by a solid substance which is in physical contact with the semiconductor region to be doped.


Sub-classes under this class:

Class Number Class Name Patents
438/561 Dopant source within trench or groove 94
438/563 Glassy source or doped oxide 177
438/562 Organic source 19
438/560 Plural diffusion stages 62
438/564 Polycrystalline semiconductor source 218
438/559 Using capping layer over dopant source to prevent out-diffusion of dopant 75


Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
7625812 Silicon nano wires, semiconductor device including the same, and method of manufacturing the silicon nano wires Dec. 1, 2009
7615393 Methods of forming multi-doped junctions on a substrate Nov. 10, 2009
7611977 Process of phosphorus diffusion for manufacturing solar cell Nov. 3, 2009
7605052 Method of forming an integrated circuit having a device wafer with a diffused doped backside layer Oct. 20, 2009
7572691 Non-volatile memory and method of fabricating the same Aug. 11, 2009
7557023 Implantation of gate regions in semiconductor device fabrication Jul. 7, 2009
7507648 Methods of fabricating crystalline silicon film and thin film transistors Mar. 24, 2009
7485551 Semiconductor-on-insulator type heterostructure and method of fabrication Feb. 3, 2009
7485555 Methods for forming a P-type polysilicon layer in a semiconductor device Feb. 3, 2009
7459375 Transfer method for forming a silicon-on-plastic wafer Dec. 2, 2008
7439165 Method of fabricating tensile strained layers and compressive strain layers for a CMOS device Oct. 21, 2008
7435668 Method for doping impurities, and for producing a semiconductor device and applied electronic apparatus using a solution containing impurity ions Oct. 14, 2008
7364995 Method of forming reduced short channel field effect transistor Apr. 29, 2008
7326631 Method of manufacturing MOS transistors with gate electrodes formed in a packet of metal layers deposited upon one another Feb. 5, 2008
RE39988 Deposition of dopant impurities and pulsed energy drive-in Jan. 1, 2008
7303967 Method for fabricating transistor of semiconductor device Dec. 4, 2007
7247548 Doping method and semiconductor device using the same Jul. 24, 2007
7235468 FinFET device with reduced DIBL Jun. 26, 2007
7226803 Photodiode with ultra-shallow junction for high quantum efficiency CMOS image sensor and method of formation Jun. 5, 2007
7157374 Method for removing a cap from the gate of an embedded silicon germanium semiconductor device Jan. 2, 2007
7144751 Back-contact solar cells and methods for fabrication Dec. 5, 2006
7118997 Implantation of gate regions in semiconductor device fabrication Oct. 10, 2006
7118976 Methods of manufacturing MOSFETs in semiconductor devices Oct. 10, 2006
7045417 Method of manufacturing semiconductor device May. 16, 2006
7033916 Shallow junction semiconductor and method for the fabrication thereof Apr. 25, 2006
7011734 Method of manufacturing semiconductor device having silicide layer Mar. 14, 2006
6972222 Temporary self-aligned stop layer is applied on silicon sidewall Dec. 6, 2005
6960486 Mid-IR microchip laser: ZnS:Cr2+ laser with saturable absorber material Nov. 1, 2005
6924200 Methods using disposable and permanent films for diffusion and implantation doping Aug. 2, 2005
6872644 Semiconductor device with non-compounded contacts, and method of making Mar. 29, 2005
6872643 Implant damage removal by laser thermal annealing Mar. 29, 2005
6852611 ROM embedded DRAM with dielectric removal/short Feb. 8, 2005
6849529 Deep-trench capacitor with hemispherical grain silicon surface and method for making the same Feb. 1, 2005
6828214 Semiconductor member manufacturing method and semiconductor device manufacturing method Dec. 7, 2004
6825104 Semiconductor device with selectively diffused regions Nov. 30, 2004
6803287 Method for forming a semiconductor device having contact wires of different sectional areas Oct. 12, 2004
6784018 Method of forming chalcogenide comprising devices and method of forming a programmable memory cell of memory circuitry Aug. 31, 2004
6774013 N-type boron-carbide semiconductor polytype and method of fabricating the same Aug. 10, 2004
6764906 Method for making trench mosfet having implanted drain-drift region Jul. 20, 2004
6746934 Atomic layer doping apparatus and method Jun. 8, 2004
6730585 Method of fabricating high-voltage transistor with buried conduction layer May. 4, 2004
6723587 Ultra small-sized SOI MOSFET and method of fabricating the same Apr. 20, 2004
6703277 Reducing agent for high-K gate dielectric parasitic interfacial layer Mar. 9, 2004
6695903 Dopant pastes for the production of p, p+, and n, n+ regions in semiconductors Feb. 24, 2004
6642152 Method for ultra thin resist linewidth reduction using implantation Nov. 4, 2003
6642134 Semiconductor processing employing a semiconductor spacer Nov. 4, 2003
6613626 Method of forming CMOS transistor having a deep sub-micron mid-gap metal gate Sep. 2, 2003
6613655 Method of fabricating system on chip device Sep. 2, 2003
6596556 Light emitting diode and a method for manufacturing the same Jul. 22, 2003
6569738 Process for manufacturing trench gated MOSFET having drain/drift region May. 27, 2003

1 2 3 4 5


 
 
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