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Class Information
Number: 257/E29.278
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) > With supplementary region or layer in thin film or in insulated bulk substrate supporting it for controlling or increasing voltage resistance of device (epo) > Characterized by drain or source properties (epo) > With ldd structure or extension or offset region or characterized by doping profile (epo)
Description: This subclass is substantially the same in scope as ECLA classification H01L29/786B4B.










Sub-classes under this class:

Class Number Class Name Patents
257/E29.279 Asymmetrical source and drain regions (epo) 330


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17

Patent Number Title Of Patent Date Issued
8664659 Organic light-emitting diode display apparatus and method of manufacturing the same Mar. 4, 2014
8648394 Method for growing conformal EPI layers and structure thereof Feb. 11, 2014
8629502 MOSFET with recessed channel film and abrupt junctions Jan. 14, 2014
8569767 Electroluminescence display device Oct. 29, 2013
8546204 Method for growing conformal epi layers and structure thereof Oct. 1, 2013
8525177 Liquid crystal display device and semiconductor device Sep. 3, 2013
8518754 Organic EL display and method of manufacturing the same Aug. 27, 2013
8507996 Block contact plugs for MOS devices Aug. 13, 2013
8482058 Semiconductor device including a power MISFET Jul. 9, 2013
8450161 Method of fabricating a sealing structure for high-k metal gate May. 28, 2013
8421191 Monolayer dopant embedded stressor for advanced CMOS Apr. 16, 2013
8410549 Structure and fabrication of field-effect transistor using empty well in combination with source/drain extensions or/and halo pocket Apr. 2, 2013
8362491 Liquid crystal display device and method for fabricating the same Jan. 29, 2013
8278722 Flat panel display device Oct. 2, 2012
8264015 Semiconductor device wherein a first insulated gate field effect transistor is connected in series with a second field effect transistor Sep. 11, 2012
8253197 Integrated circuit with a laterally diffused metal oxide semiconductor device and method of forming the same Aug. 28, 2012
8198683 Semiconductor device including transistors with silicided impurity regions Jun. 12, 2012
8193586 Sealing structure for high-K metal gate Jun. 5, 2012
8129262 Fabrication of field-effect transistor with vertical body-material dopant profile tailored to alleviate punchthrough and reduce current leakage Mar. 6, 2012
8120039 Semiconductor device Feb. 21, 2012
8106466 MOS transistor and method for fabricating the same Jan. 31, 2012
8067772 Semiconductor device and manufacturing method thereof Nov. 29, 2011
8067804 Semiconductor device having an SOI structure, manufacturing method thereof, and memory circuit Nov. 29, 2011
7994040 Semiconductor device and fabrication thereof Aug. 9, 2011
7964873 Thin film transistor array panel and manufacturing method thereof Jun. 21, 2011
7956425 Graded gate field Jun. 7, 2011
7947984 Liquid crystal display device and method for fabricating the same May. 24, 2011
7948040 Semiconductor device May. 24, 2011
7906820 Source offset MOSFET optimized for current voltage characteristic invariance with respect to changing temperatures Mar. 15, 2011
7902002 Semiconductor device Mar. 8, 2011
7888752 Structure and method to form source and drain regions over doped depletion regions Feb. 15, 2011
7872309 Self-aligned lightly doped drain recessed-gate thin-film transistor Jan. 18, 2011
7847355 Semiconductor device including transistors with silicided impurity regions Dec. 7, 2010
RE41927 TFT LCD device having multi-layered pixel electrodes Nov. 16, 2010
7829393 Copper gate electrode of liquid crystal display device and method of fabricating the same Nov. 9, 2010
7808037 High voltage device Oct. 5, 2010
RE41764 Semiconductor device with compensated threshold voltage and method for making same Sep. 28, 2010
7799627 Multi device and method of manufacturing the same Sep. 21, 2010
7800178 Semiconductor device and method for manufacturing the same Sep. 21, 2010
7759745 Semiconductor memory device Jul. 20, 2010
7755081 Dielectric materials for electronic devices Jul. 13, 2010
7719011 Emissive device and electronic apparatus May. 18, 2010
7705358 Semiconductor device and method of manufacturing the same Apr. 27, 2010
7691691 Semiconductor device and methods for making the same Apr. 6, 2010
7687856 Body bias to facilitate transistor matching Mar. 30, 2010
7683440 Semiconductor memory device Mar. 23, 2010
7675126 Metal oxide semiconductor field effect transistor and method of fabricating the same Mar. 9, 2010
7667287 Thin film transistor and method of fabricating thin film transistor substrate Feb. 23, 2010
7663189 Silicon-on-sapphire semiconductor device with shallow lightly-doped drain Feb. 16, 2010
7659171 Methods and structure for forming self-aligned borderless contacts for strain engineered logic devices Feb. 9, 2010

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