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Class Information
Number: 438/192
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 junction gate (e.g., jfet, sit, etc.) > Vertical channel
Description: Process for making a junction gate field effect transistor wherein the active channel is configured to provide, in whole or in part, a vertically conductive pathway between source and drain regions.


Sub-classes under this class:

Class Number Class Name Patents
438/193 Multiple parallel current paths (e.g., grid gate, etc.) 80


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
7608496 High speed GE channel heterostructures for field effect devices Oct. 27, 2009
7595261 Method and system for manufacturing semiconductor device having less variation in electrical characteristics Sep. 29, 2009
7566667 Methods of fabricating a semiconductor device having a barrier metal layer and devices formed thereby Jul. 28, 2009
7510924 Method for manufacturing memory cell Mar. 31, 2009
7485509 Semiconductor device provided by silicon carbide substrate and method for manufacturing the same Feb. 3, 2009
7432134 Semiconductor device and method of fabricating the same Oct. 7, 2008
7372087 Semiconductor structure for use in a static induction transistor having improved gate-to-drain breakdown voltage May. 13, 2008
7297580 Methods of fabricating transistors having buried p-type layers beneath the source region Nov. 20, 2007
7273771 Common MOSFET process for plural devices Sep. 25, 2007
7259048 Vertical replacement-gate silicon-on-insulator transistor Aug. 21, 2007
7256082 Production method for semiconductor device Aug. 14, 2007
7242057 Vertical transistor structures having vertical-surrounding-gates with self-aligned features Jul. 10, 2007
7135362 Isolation layer for CMOS image sensor and fabrication method thereof Nov. 14, 2006
7109516 Strained-semiconductor-on-insulator finFET device structures Sep. 19, 2006
7094637 Method for minimizing the vapor deposition of tungsten oxide during the selective side wall oxidation of tungsten-silicon gates Aug. 22, 2006
7067363 Vertical-conduction and planar-structure MOS device with a double thickness of gate oxide and method for realizing power vertical MOS transistors with improved static and dynamic performances Jun. 27, 2006
7033877 Vertical replacement-gate junction field-effect transistor Apr. 25, 2006
7033876 Trench MIS device having implanted drain-drift region and thick bottom oxide and process for manufacturing the same Apr. 25, 2006
6995053 Vertical thin film transistor Feb. 7, 2006
6995052 Method and structure for double dose gate in a JFET Feb. 7, 2006
6933186 Method for BEOL resistor tolerance improvement using anodic oxidation Aug. 23, 2005
6929988 Method of making an ultra dense trench-gated power device with the reduced drain-source feedback capacitance and miller charge Aug. 16, 2005
6919241 Superjunction device and process for its manufacture Jul. 19, 2005
6855603 Vertical nano-size transistor using carbon nanotubes and manufacturing method thereof Feb. 15, 2005
6770534 Ultra small size vertical MOSFET device and method for the manufacture thereof Aug. 3, 2004
6750095 Integrated circuit with vertical transistors Jun. 15, 2004
6744097 EEPROM memory cell and method of forming the same Jun. 1, 2004
6740910 Field-effect transistor, circuit configuration and method of fabricating a field-effect transistor May. 25, 2004
6653666 J-FET semiconductor configuration Nov. 25, 2003
6632723 Semiconductor device Oct. 14, 2003
6624032 Structure and process flow for fabrication of dual gate floating body integrated MOS transistors Sep. 23, 2003
6558996 Edge structure for relaxing electric field of semiconductor device having an embedded type diffusion structure May. 6, 2003
6551868 Vertical power component manufacturing method Apr. 22, 2003
6544824 Method to form a vertical transistor by first forming a gate/spacer stack, then using selective epitaxy to form source, drain and channel Apr. 8, 2003
6511884 Method to form and/or isolate vertical transistors Jan. 28, 2003
6482723 Method for forming self-aligned floating gates Nov. 19, 2002
6472258 Double gate trench transistor Oct. 29, 2002
6436770 Method to control the channel length of a vertical transistor by first forming channel using selective epi and source/drain using implantation Aug. 20, 2002
6406934 Wafer level production of chip size semiconductor packages Jun. 18, 2002
6372564 Method of manufacturing V-shaped flash memory Apr. 16, 2002
6344379 Semiconductor device with an undulating base region and method therefor Feb. 5, 2002
6309919 Method for fabricating a trench-gated vertical CMOS device Oct. 30, 2001
6271550 Junction field effect transistor or JFET with a well which has graded doping directly beneath the gate electrode Aug. 7, 2001
6268621 Vertical channel field effect transistor Jul. 31, 2001
6239006 Native oxide removal with fluorinated chemistry before cobalt silicide formation May. 29, 2001
6225210 High density capping layers with improved adhesion to copper interconnects May. 1, 2001
6198116 Complementary heterostructure integrated single metal transistor fabrication method Mar. 6, 2001
6069384 Integrated circuit including vertical transistors with spacer gates having selected gate widths May. 30, 2000
6062869 Method of making a stacked thin film assembly May. 16, 2000
6034435 Metal contact structure in semiconductor device Mar. 7, 2000

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