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Class Information
Number: 257/E29.285
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) > Types of semiconductor device (epo) > Controllable by only signal applied to control electrode (e.g., base of bipolar transistor, gate of field-effect transistor) (epo) > Unipolar device (epo) > Field-effect transistor (epo) > With field effect produced by insulated gate (epo) > Thin-film transistor (epo) > Silicon transistor (epo)
Description: This subclass is indented under subclass E29.273. This subclass is substantially the same in scope as ECLA classification H01L29/786E.










Sub-classes under this class:

Class Number Class Name Patents
257/E29.286 Monocrystalline only (epo) 323
257/E29.288 Nonmonocrystalline (epo) 37


Patents under this class:

Patent Number Title Of Patent Date Issued
8710588 Implant free extremely thin semiconductor devices Apr. 29, 2014
8586427 Thin film transistors and methods of manufacturing thin film transistors Nov. 19, 2013
8304301 Implant free extremely thin semiconductor devices Nov. 6, 2012
8198631 Display device and method of fabricating the same Jun. 12, 2012
8022410 Thin film transistors Sep. 20, 2011
7955940 Silicon-on-insulator substrate with built-in substrate junction Jun. 7, 2011
7807520 Method for manufacturing semiconductor device Oct. 5, 2010
7476901 Poly-silicon thin film transistor array substrate and method for fabricating the same Jan. 13, 2009
7368751 Method of manufacturing an electronic device comprising a thin film transistor May. 6, 2008
6977413 Bar-type field effect transistor and method for the production thereof Dec. 20, 2005
6822261 Semiconductor device and method for forming the same Nov. 23, 2004
6777716 Semiconductor display device and method of manufacturing therefor Aug. 17, 2004
6521949 SOI transistor with polysilicon seed Feb. 18, 2003
6323528 Semiconductor device Nov. 27, 2001
6268632 Field effect transistor and power amplifier including the same Jul. 31, 2001
6177299 Transistor having substantially isolated body and method of making the same Jan. 23, 2001
6114732 Field effect transistor Sep. 5, 2000
6028333 Electric device, matrix device, electro-optical display device, and semiconductor memory having thin-film transistors Feb. 22, 2000
5969385 Ultra-low power-delay product NNN/PPP logic devices Oct. 19, 1999
5963800 CMOS integration process having vertical channel Oct. 5, 1999
RE36314 Insulated gate field effect semiconductor devices having a LDD region and an anodic oxide film of a gate electrode Sep. 28, 1999
5920088 Vertical MISFET devices Jul. 6, 1999
5914504 DRAM applications using vertical MISFET devices Jun. 22, 1999
5913112 Method of manufacturing an insulated gate field effect semiconductor device having an offset region and/or lightly doped region Jun. 15, 1999
5893729 Method of making SOI circuit for higher temperature and higher voltage applications Apr. 13, 1999
5879969 Semiconductor device and method for forming the same Mar. 9, 1999
5854494 Electric device, matrix device, electro-optical display device, and semiconductor memory having thin-film transistors Dec. 29, 1998
5474945 Method for forming semiconductor device comprising metal oxide Dec. 12, 1995
5459347 Method of making field-effect semiconductor device on SOI Oct. 17, 1995
5289030 Semiconductor device with oxide layer Feb. 22, 1994
5225356 Method of making field-effect semiconductor device on SOT Jul. 6, 1993
4335161 Thin film transistors, thin film transistor arrays, and a process for preparing the same Jun. 15, 1982
4331758 Process for the preparation of large area TFT arrays May. 25, 1982











 
 
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