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Class Information
Number: 257/E29.116
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Semiconductors devices adapted for rectifying, amplifying, oscillating, or switching, capacitors, or resistors with at least one potential-jump barrier or surface barrier (epo) > Electrodes (epo) > Characterized by their shape, relative sizes or dispositions (epo) > Carrying current to be rectified, amplified or switched (epo) > Source or drain electrodes for field-effect devices (epo)
Description: This subclass is indented under subclass E29.113. This subclass is substantially the same in scope as ECLA classification H01L29/417D.

Sub-classes under this class:

Class Number Class Name Patents
257/E29.122 Characterized by relative position of source or drain electrode and gate electrode (epo) 310
257/E29.119 For lateral devices where connection to source or drain region is done through at least one part of semiconductor substrate thickness (e.g., with connecting sink or with via-hole) (epo) 120
257/E29.117 For thin film transistors with insulated gate (epo) 476
257/E29.118 For vertical current flow (epo) 243
257/E29.12 Layout configuration for lateral device source or drain region (e.g., cellular, interdigitated or ring structure or being curved or angular) (epo) 156
257/E29.121 Source or drain electrode in groove (epo) 188

Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8686528 Semiconductor device Apr. 1, 2014
8664069 Semiconductor structure and process thereof Mar. 4, 2014
8643122 Silicide contacts having different shapes on regions of a semiconductor device Feb. 4, 2014
8624324 Connecting through vias to devices Jan. 7, 2014
8604555 Semiconductor structure and manufacturing method of the same Dec. 10, 2013
8597992 Transistor and manufacturing method of the same Dec. 3, 2013
8581344 Laterally diffused metal oxide semiconductor transistors Nov. 12, 2013
8575023 Contact formation method, semiconductor device manufacturing method, and semiconductor device Nov. 5, 2013
8574981 Method of increasing the germanium concentration in a silicon-germanium layer and semiconductor device comprising same Nov. 5, 2013
8513727 Surrounding stacked gate multi-gate FET structure nonvolatile memory device Aug. 20, 2013
8436404 Self-aligned contacts May. 7, 2013
8415250 Method of forming silicide contacts of different shapes selectively on regions of a semiconductor device Apr. 9, 2013
8362567 Semiconductor device Jan. 29, 2013
8358012 Metal semiconductor alloy structure for low contact resistance Jan. 22, 2013
8273631 Method of fabricating n-channel metal-oxide semiconductor transistor Sep. 25, 2012
8212253 Shallow junction formation and high dopant activation rate of MOS devices Jul. 3, 2012
8198680 Semiconductor element, semiconductor device and methods for manufacturing thereof Jun. 12, 2012
8049279 Semiconductor device and method for fabricating the same Nov. 1, 2011
8035229 Semiconductor device Oct. 11, 2011
7872315 Electronic switching device Jan. 18, 2011
7868960 Active matrix substrate, display device, and television receiver Jan. 11, 2011
7868394 Metal-oxide-semiconductor transistor and method of manufacturing the same Jan. 11, 2011
7863191 Manufacturing method of semiconductor device Jan. 4, 2011
7851832 Semiconductor device Dec. 14, 2010
7772622 Field effect transistor and manufacturing method thereof Aug. 10, 2010
7750415 Structure and method for making high density MOSFET circuits with different height contact lines Jul. 6, 2010
7700423 Process for manufacturing epitaxial wafers for integrated devices on a common compound semiconductor III-V wafer Apr. 20, 2010
7678642 Method for manufacturing phase change memory device using a patterning process Mar. 16, 2010
7573126 Matching circuits on optoelectronic devices Aug. 11, 2009
7560783 Metal-semiconductor contact, semiconductor component, integrated circuit arrangement and method Jul. 14, 2009
7538398 System and method for forming a semiconductor device source/drain contact May. 26, 2009
7531849 High performance FET devices May. 12, 2009
7501672 Method and structure for a self-aligned silicided word line and polysilicon plug during the formation of a semiconductor device Mar. 10, 2009
7456911 Semiconductor device Nov. 25, 2008
7446043 Contact structure having silicide layers, semiconductor device employing the same, and methods of fabricating the contact structure and semiconductor device Nov. 4, 2008
7372108 Semiconductor device and manufacturing method thereof May. 13, 2008
7355225 Semiconductor device and method for providing a reduced surface area electrode Apr. 8, 2008
7326618 Low OHMIC layout technique for MOS transistors Feb. 5, 2008
7307314 LDMOS transistor with improved gate shield Dec. 11, 2007
7304331 Nitride semiconductor device such as transverse power FET for high frequency signal amplification or power control Dec. 4, 2007
7227246 Matching circuits on optoelectronic devices Jun. 5, 2007
7132717 Power metal oxide semiconductor transistor layout with lower output resistance and high current limit Nov. 7, 2006
7112855 Low ohmic layout technique for MOS transistors Sep. 26, 2006
7075125 Power semiconductor device Jul. 11, 2006
7019337 Power semiconductor switching devices, power converters, integrated circuit assemblies, integrated circuitry, power current switching methods, methods of forming a power semiconductor switchin Mar. 28, 2006
6998679 Semiconductor device and method of fabricating the same Feb. 14, 2006
6940132 Semiconductor device and method of manufacturing the same Sep. 6, 2005
6933571 Thin film transistors, liquid crystal display device and electronic apparatus using the same Aug. 23, 2005
6914280 Switching circuit device Jul. 5, 2005
6852615 Ohmic contacts for high electron mobility transistors and a method of making the same Feb. 8, 2005

1 2 3 4

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