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Class Information
Number: 257/E27.091
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Device consisting of a plurality of semiconductor or other solid state components formed in or on a common substrate, e.g., integrated circuit device (epo) > Including semiconductor component with at least one potential barrier or surface barrier adapted for rectifying, oscillating, amplifying, or switching, or including integrated passive circuit elements (epo) > With semiconductor substrate only (epo) > Including a plurality of individual components in a repetitive configuration (epo) > Including field-effect component (epo) > Dynamic random access memory, dram, structure (epo) > One-transistor memory cell structure, i.e., each memory cell containing only one transistor (epo) > Transistor in trench (epo)
Description: This subclass is indented under subclass E27.078. This subclass is substantially the same in scope as ECLA classification H01L27/108F6.










Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
8704299 Semiconductor device and manufacturing method thereof Apr. 22, 2014
8680610 Trench MOSFET having floating dummy cells for avalanche improvement Mar. 25, 2014
8659078 Semiconductor device and method of manufacturing the same Feb. 25, 2014
8648415 Semiconductor device with impurity region with increased contact area Feb. 11, 2014
8637378 Semiconductor component and methods for producing a semiconductor component Jan. 28, 2014
8624350 Semiconductor device and method of fabricating the same Jan. 7, 2014
8580633 Method for manufacturing a semiconductor device with gate spacer Nov. 12, 2013
8564048 Contact barrier modulation of field effect transistors Oct. 22, 2013
8552492 Semiconductor device Oct. 8, 2013
8552523 Semiconductor device and method for manufacturing Oct. 8, 2013
8552535 Trench shielding structure for semiconductor device and method Oct. 8, 2013
8541834 Semiconductor device and method for manufacturing same Sep. 24, 2013
8476133 Method of manufacture and structure for a trench transistor having a heavy body region Jul. 2, 2013
8476701 Semiconductor device with gate electrode including a concave portion Jul. 2, 2013
8467220 DRAM device and manufacturing method thereof Jun. 18, 2013
8431988 Lateral trench transistor, as well as a method for its production Apr. 30, 2013
8421149 Trench power MOSFET structure with high switching speed and fabrication method thereof Apr. 16, 2013
8405145 Semiconductor device and method of manufacturing the same Mar. 26, 2013
8405089 Semiconductor memory device and manufacturing method thereof Mar. 26, 2013
8399915 Semiconductor device Mar. 19, 2013
8384151 Semiconductor device and a reverse conducting IGBT Feb. 26, 2013
8373226 Semiconductor device including a Trench-Gate Fin-FET Feb. 12, 2013
8361856 Memory cells, arrays of memory cells, and methods of forming memory cells Jan. 29, 2013
8329521 Method and device with gate structure formed over the recessed top portion of the isolation structure Dec. 11, 2012
8330200 Super-self-aligned trench-DMOS structure and method Dec. 11, 2012
8310004 Semiconductor device and process for producing the same Nov. 13, 2012
8299517 Semiconductor device employing transistor having recessed channel region and method of fabricating the same Oct. 30, 2012
8288231 Method of fabricating a recessed channel access transistor device Oct. 16, 2012
8274113 Trench MOSFET having shielded electrode integrated with trench Schottky rectifier Sep. 25, 2012
8264035 Avalanche capability improvement in power semiconductor devices Sep. 11, 2012
8253163 High voltage semiconductor device including a free wheel diode Aug. 28, 2012
8222689 High-voltage metal oxide semiconductor device and fabrication method thereof Jul. 17, 2012
8207596 Self-alignment insulation structure Jun. 26, 2012
8193570 Synchronous buck converter using shielded gate field effect transistors Jun. 5, 2012
8178922 Trench MOSFET with ultra high cell density and manufacture thereof May. 15, 2012
8164111 High voltage semiconductor device including a free wheel diode Apr. 24, 2012
8163610 Fabrication of finned memory arrays Apr. 24, 2012
8154065 Semiconductor memory devices including a vertical channel transistor having a buried bit line Apr. 10, 2012
8148796 Solar cell and manufacturing method thereof Apr. 3, 2012
8143124 Methods of making power semiconductor devices with thick bottom oxide layer Mar. 27, 2012
8120103 Semiconductor device with vertical gate and method for fabricating the same Feb. 21, 2012
8120094 Shallow trench isolation with improved structure and method of forming Feb. 21, 2012
8120085 Semiconductor device and method for manufacturing the same Feb. 21, 2012
8106440 Selective high-k dielectric film deposition for semiconductor device Jan. 31, 2012
8097916 Method for insulating a semiconducting material in a trench from a substrate Jan. 17, 2012
8058685 Trench MOSFET structures using three masks process Nov. 15, 2011
8053307 Method of fabricating semiconductor device with cell epitaxial layers partially overlap buried cell gate electrode Nov. 8, 2011
8053831 Semiconductor integrated circuit devices having contacts formed of single-crystal materials Nov. 8, 2011
8048737 Semiconductor device and method of fabricating the same Nov. 1, 2011
8039906 High-voltage metal oxide semiconductor device and fabrication method thereof Oct. 18, 2011

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