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Class Information
Number: 257/E29.028
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) > Electrical characteristics due to properties of entire semiconductor body rather than just surface region (epo) > Characterized by specified shape or size of pn junction or by specified impurity concentration gradient within the device (epo) > Characterized by shape, relative sizes or dispositions of semiconductor regions or junctions between regions (epo) > Surface layout of device (epo) > Surface layout of mos gated device (e.g., dmosfet or igbt) (epo) > With a nonplanar gate structure (epo)
Description: This subclass is indented under subclass E29.027. This subclass is substantially the same in scope as ECLA classification H01L29/06D3B2.










Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8653606 Semiconductor device and power conversion device using same Feb. 18, 2014
8618598 Power MOSFET semiconductor device Dec. 31, 2013
8518769 Semiconductor device and method of manufacturing the same Aug. 27, 2013
8487348 Methods and apparatus to reduce layout based strain variations in non-planar transistor structures Jul. 16, 2013
8471329 Tunnel FET and methods for forming the same Jun. 25, 2013
8471320 Memory layout structure Jun. 25, 2013
8304842 Interconnection structure for N/P metal gates Nov. 6, 2012
8274095 Semiconductor device Sep. 25, 2012
8269283 Methods and apparatus to reduce layout based strain variations in non-planar transistor structures Sep. 18, 2012
8222681 Bipolar semiconductor device and manufacturing method Jul. 17, 2012
8203181 Trench MOSFET semiconductor device and manufacturing method therefor Jun. 19, 2012
8120074 Bipolar semiconductor device and manufacturing method Feb. 21, 2012
8105901 Method for double pattern density Jan. 31, 2012
8097918 Semiconductor arrangement including a load transistor and sense transistor Jan. 17, 2012
8084865 Anchoring structure and intermeshing structure Dec. 27, 2011
8049273 Semiconductor device for improving the peak induced voltage in switching converter Nov. 1, 2011
8022474 Semiconductor device Sep. 20, 2011
8017974 Semiconductor device with increased withstand voltage Sep. 13, 2011
7960787 Configuration of trenched semiconductor power device to reduce masked process Jun. 14, 2011
7952166 Semiconductor device with switch electrode and gate electrode and method for switching a semiconductor device May. 31, 2011
7952140 Methods of fabricating semiconductor devices having multiple channel transistors and semiconductor devices fabricated thereby May. 31, 2011
7888733 Power semiconductor device Feb. 15, 2011
7883971 Gate structure in a trench region of a semiconductor device and method for manufacturing the same Feb. 8, 2011
7838915 Semiconductor device having multi-gate structure and method of manufacturing the same Nov. 23, 2010
7816729 Trenched MOSFET device with trenched contacts Oct. 19, 2010
7808057 PMOS transistor with increased effective channel length in the peripheral region and method of manufacturing the same Oct. 5, 2010
7659574 Manufacturing method of semiconductor device Feb. 9, 2010
7598566 Trench gate field effect devices Oct. 6, 2009
7563698 Method for manufacturing semiconductor device Jul. 21, 2009
7557394 High-voltage transistor fabrication with trench etching technique Jul. 7, 2009
7554165 Semiconductor device Jun. 30, 2009
7538350 Semiconductor thin film device May. 26, 2009
7534677 Method of fabricating a dual gate oxide May. 19, 2009
7479678 Semiconductor element and method of manufacturing the same Jan. 20, 2009
7468301 PMOS transistor with increased effective channel length in the peripheral region and a multi-height substrate Dec. 23, 2008
7456484 Semiconductor device having IGBT and diode Nov. 25, 2008
7317230 Fin FET structure Jan. 8, 2008
7265059 Multiple fin formation Sep. 4, 2007
7170118 Field effect transistor (FET) device having corrugated structure and method for fabrication thereof Jan. 30, 2007
7145191 P-channel field-effect transistor with reduced junction capacitance Dec. 5, 2006
7067874 Semiconductor device including trench with at least one of an edge of an opening and a bottom surface being round Jun. 27, 2006
7067870 Power semiconductor switching element Jun. 27, 2006
7052963 Method of forming trench transistor with chained implanted body including a plurality of implantation with different energies May. 30, 2006
7052954 Method of fabricating a MOS structure with two conductive layers on the gate electrode May. 30, 2006
7042048 Semiconductor device and a method of manufacturing the same May. 9, 2006
7037788 Manufacturing method of semiconductor device May. 2, 2006
7038275 Buried-gate-type semiconductor device May. 2, 2006
7026215 Method of producing a semiconductor device Apr. 11, 2006
6992352 Trenched DMOS devices and methods and processes for making same Jan. 31, 2006
6987040 Trench MOSFET with increased channel density Jan. 17, 2006

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