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Class Information
Number: 257/E29.288
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)
Description: This subclass is indented under subclass E29.285. This subclass is substantially the same in scope as ECLA classification H01L29/786E4.










Sub-classes under this class:

Class Number Class Name Patents
257/E29.289 Amorphous silicon transistor (epo) 38
257/E29.292 Polycrystalline or microcrystalline silicon transistor (epo) 87


Patents under this class:

Patent Number Title Of Patent Date Issued
8525180 Thin film transistor array panel Sep. 3, 2013
8420487 Power MOS electronic device and corresponding realizing method Apr. 16, 2013
8389346 Method and structure for establishing contacts in thin film transistor devices Mar. 5, 2013
8377742 Thin film transistor and method for manufacturing the same Feb. 19, 2013
8373166 Light-emitting device Feb. 12, 2013
8319219 Light-emitting device Nov. 27, 2012
8274077 Semiconductor device and manufacturing method thereof Sep. 25, 2012
8274084 Method and structure for establishing contacts in thin film transistor devices Sep. 25, 2012
8058649 Thin-film transistor and method of manufacturing the same Nov. 15, 2011
7943929 Thin film transistor and method of fabricating the same May. 17, 2011
7932521 Semiconductor device and manufacturing method thereof Apr. 26, 2011
7777231 Thin film transistor and method for fabricating same Aug. 17, 2010
7009207 Flat panel display with thin film transistor Mar. 7, 2006
6900463 Semiconductor device May. 31, 2005
6876001 Flat panel display with thin film transistor Apr. 5, 2005
6355941 Semiconductor device Mar. 12, 2002
6004836 Method for fabricating a film transistor Dec. 21, 1999
5686755 LDMOS resurf high voltage transistor Nov. 11, 1997
5591987 Semiconductor MIS field effect transistor with semi-amorphous semiconductor material Jan. 7, 1997
5554546 Method of fabricating a high voltage transistor Sep. 10, 1996
5311040 Thin film transistor with nitrogen concentration gradient May. 10, 1994
5270229 Thin film semiconductor device and process for producing thereof Dec. 14, 1993
5262350 Forming a non single crystal semiconductor layer by using an electric current Nov. 16, 1993
5250451 Process for the production of thin film transistors Oct. 5, 1993
5200630 Semiconductor device Apr. 6, 1993
5121178 Silicon thin film transistor Jun. 9, 1992
5121177 Silicon thin film transistor Jun. 9, 1992
5111261 Silicon thin film transistor with an intrinsic silicon active layer formed within the boundary defined by the edges of the gate electrode and the impurity containing silicon layer May. 5, 1992
5071779 Method for producing a silicon thin film transistor Dec. 10, 1991
5047360 Method of manufacture thin film transistors Sep. 10, 1991
5021850 Silicon thin film transistor Jun. 4, 1991
4954855 Thin film transistor formed on insulating substrate Sep. 4, 1990
4843443 Thin film field effect transistor and method of making same Jun. 27, 1989
4769338 Thin film field effect transistor and method of making same Sep. 6, 1988
4720736 Amorphous silicon thin film transistor Jan. 19, 1988
4670763 Thin film field effect transistor Jun. 2, 1987
4581620 Semiconductor device of non-single crystal structure Apr. 8, 1986











 
 
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