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Class Information
Number: 257/E21.377
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Processes or apparatus adapted for manufacture or treatment of semiconductor or solid-state devices or of parts thereof (epo) > Manufacture or treatment of semiconductor device (epo) > Device having at least one potential-jump barrier or surface barrier, e.g., pn junction, depletion layer, carrier concentration layer (epo) > Device having semiconductor body comprising group iv elements or group iii-v compounds with or without impurities, e.g., doping materials (epo) > Multi-step process for manufacture of device of bipolar type, e.g., diodes, transistors, thyristors, resistors, capacitors) (epo) > Device comprising three or more electrodes (epo) > Transistor (epo) > Silicon vertical transistor (epo) > Mesa-planar transistor (epo)
Description: This subclass is indented under subclass E21.375. This subclass is substantially the same in scope as ECLA classification H01L21/331F3.










Patents under this class:

Patent Number Title Of Patent Date Issued
8685805 Semiconductor devices with connection patterns Apr. 1, 2014
8617996 Fin removal method Dec. 31, 2013
8551872 Low series resistance transistor structure on silicon on insulator layer Oct. 8, 2013
8507333 Integrated circuit device with series-connected field effect transistors and integrated voltage equalization and method of forming the device Aug. 13, 2013
8460984 FIN-FET device and method and integrated circuits using such Jun. 11, 2013
8410545 Semiconductor memory and method of manufacturing the same Apr. 2, 2013
8399926 Semiconductor device and manufacturing method of same Mar. 19, 2013
8232627 Integrated circuit device with series-connected field effect transistors and integrated voltage equalization and method of forming the device Jul. 31, 2012
8076231 Semiconductor device and manufacturing method of same Dec. 13, 2011
8003465 Method of manufacturing semiconductor device Aug. 23, 2011
7952172 Semiconductor optical element May. 31, 2011
7867864 Method of manufacturing a semiconductor device and semiconductor device obtained with such a method Jan. 11, 2011
7867883 Methods of fabricating non-volatile memory devices Jan. 11, 2011
7838377 Power semiconductor devices with mesa structures and buffer layers including mesa steps Nov. 23, 2010
7687404 Method for manufacturing display device Mar. 30, 2010
7645689 Gallium nitride-based light emitting device having ESD protection capacity and method for manufacturing the same Jan. 12, 2010
7598149 Micro-leds Oct. 6, 2009
7288446 Single and double-gate pseudo-FET devices for semiconductor materials evaluation Oct. 30, 2007
7265059 Multiple fin formation Sep. 4, 2007
7145220 Fin semiconductor device and method for fabricating the same Dec. 5, 2006
4431460 Method of producing shallow, narrow base bipolar transistor structures via dual implantations of selected polycrystalline layer Feb. 14, 1984











 
 
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