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Class Information
Number: 257/E29.289
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) > Nonmonocrystalline (epo) > Amorphous silicon transistor (epo)
Description: This subclass is indented under subclass E29.288. This subclass is substantially the same in scope as ECLA classification H01L29/786E4B.










Sub-classes under this class:

Class Number Class Name Patents
257/E29.291 With inverted transistor structure (epo) 261
257/E29.29 With top gate (epo) 115


Patents under this class:

Patent Number Title Of Patent Date Issued
8653512 Thin film transistor compositions, and methods relating thereto Feb. 18, 2014
8629437 Semiconductor device and manufacturing method thereof Jan. 14, 2014
8624277 Display substrate and method of manufacturing the same Jan. 7, 2014
8569757 Semiconductor device with amorphous silicon MAS memory cell structure and manufacturing method thereof Oct. 29, 2013
8487307 Semiconductor component including a lateral transistor component Jul. 16, 2013
8476628 Device using oxide semiconductor, display device, and electronic apparatus Jul. 2, 2013
8470695 Method of manufacturing micromachine having spatial portion within Jun. 25, 2013
8415669 Semiconductor display device Apr. 9, 2013
8367488 Manufacturing method of flexible semiconductor device Feb. 5, 2013
8367444 Display substrate and method of manufacturing the same Feb. 5, 2013
8344380 Thin film transistor and display device Jan. 1, 2013
8330165 Semiconductor device and method for forming the same Dec. 11, 2012
8304767 Semiconductor device and production method thereof Nov. 6, 2012
8304778 Thin film transistor and pixel structure having the thin film transistor Nov. 6, 2012
8253137 Laminate structure, electronic device, and display device Aug. 28, 2012
8232147 Fabricating method of a thin film transistor having a dielectric layer for inhibiting leakage current Jul. 31, 2012
8120030 Thin film transistor and display device Feb. 21, 2012
8097880 Semiconductor component including a lateral transistor component Jan. 17, 2012
8053817 Vertical transistor and method for forming the same Nov. 8, 2011
7915103 Method for fabricating a flat panel display Mar. 29, 2011
7915689 Thin film transistor, display device including the same and manufacturing method thereof Mar. 29, 2011
7906777 Semiconductor thin film and method for manufacturing same, and thin film transistor Mar. 15, 2011
7790582 Method for fabricating polysilicon liquid crystal display device Sep. 7, 2010
7619248 MOS transistor with self-aligned source and drain, and method for making the same Nov. 17, 2009
7449718 Semiconductor device and method of manufacturing thereof Nov. 11, 2008
7375372 Thin film transistor May. 20, 2008
6890870 Method for controlling electrical conductivity May. 10, 2005
6773969 Method of forming a thin film transistor Aug. 10, 2004
5367179 Thin-film transistor having electrodes made of aluminum, and an active matrix panel using same Nov. 22, 1994
5243202 Thin-film transistor and a liquid crystal matrix display device using thin-film transistors of this type Sep. 7, 1993
5132821 Color LCD including transistors having layer thicknesses selected for small photocurrents Jul. 21, 1992
5075746 Thin film field effect transistor and a method of manufacturing the same Dec. 24, 1991
4998152 Thin film transistor Mar. 5, 1991
4988638 Method of fabrication a thin film SOI CMOS device Jan. 29, 1991
4984041 High voltage thin film transistor with second control electrode Jan. 8, 1991
4951113 Simultaneously deposited thin film CMOS TFTs and their method of fabrication Aug. 21, 1990
4797108 Method of manufacturing amorphous silicon field effect transistors Jan. 10, 1989
4654295 Method of making short channel thin film field effect transistor Mar. 31, 1987











 
 
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