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Class Information
Number: 257/E29.273
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)
Description: This subclass is indented under subclass E29.255. This subclass is substantially the same in scope as ECLA classification H01L29/786.










Sub-classes under this class:

Class Number Class Name Patents
257/E29.295 Characterized by insulating substrate or support (epo) 323
257/E29.299 Characterized by property or structure of channel or contact thereto (epo) 768
257/E29.296 Comprising group iii-v or ii-vi compound, or of se, te, or oxide semiconductor (epo) 235
257/E29.297 Comprising group iv non-si semiconductor materials or alloys (e.g., ge, sin alloy, sic alloy) (epo) 202
257/E29.285 Silicon transistor (epo) 33
257/E29.274 Vertical transistor (epo) 208
257/E29.275 With multiple gates (epo) 719
257/E29.276 With supplementary region or layer in thin film or in insulated bulk substrate supporting it for controlling or increasing voltage resistance of device (epo) 87


Patents under this class:
1 2 3 4 5 6 7 8

Patent Number Title Of Patent Date Issued
7750346 Semiconductor structure and method for manufacturing the same Jul. 6, 2010
7745879 Method of fabricating high voltage fully depleted SOI transistor and structure thereof Jun. 29, 2010
7745824 Semiconductor device and method of manufacturing the same Jun. 29, 2010
7737497 Silver nanoparticle compositions Jun. 15, 2010
RE41368 High voltage SOI semiconductor device Jun. 8, 2010
7728917 Pixel structure Jun. 1, 2010
7728381 Semiconductor device and method of fabricating the same Jun. 1, 2010
7728332 Method for manufacturing semiconductor device, and semiconductor device and electronic device Jun. 1, 2010
7719010 Thin film transistor, thin film transistor substrate including the same and method of manufacturing the same May. 18, 2010
7714387 Semiconductor device with thin-film transistors and method of fabricating the same May. 11, 2010
7696521 Organic light emitting diode display device having first and second capacitors disposed on a substrate wherein the first capacitor comprises an undoped semiconductor layer electrode. Apr. 13, 2010
7679142 Semiconductor wafer, semiconductor device and manufacturing method of semiconductor device Mar. 16, 2010
7671364 Thin film transistor substrate for display unit Mar. 2, 2010
7662675 Method of forming metal thin film and metal wiring pattern and method of manufacturing display panel Feb. 16, 2010
7659130 Thin film transistor array panel for display and manufacturing method thereof Feb. 9, 2010
7655951 Thin film transistor and the manufacturing method thereof Feb. 2, 2010
7652292 Flexible electronic device and production method of the same Jan. 26, 2010
7649228 Forming floating body RAM using bulk silicon substrate Jan. 19, 2010
7629191 Semiconductor device Dec. 8, 2009
7626201 Semiconductor device Dec. 1, 2009
7622739 Thin film transistor for flat panel display and method of fabricating the same Nov. 24, 2009
7622733 Semiconductor structure with a plastic housing and separable carrier plate Nov. 24, 2009
7615782 Thin film transistor substrate and liquid crystal display panel having sub-pixels Nov. 10, 2009
7605023 Manufacturing method for a semiconductor device and heat treatment method therefor Oct. 20, 2009
7605400 Method for fabricating liquid crystal display device Oct. 20, 2009
7601566 Semiconductor device and manufacturing method thereof Oct. 13, 2009
7576362 Semiconductor device having EL element, integrated circuit and adhesive layer therebetween Aug. 18, 2009
7575952 Manufacturing method of semiconductor device having organic semiconductor film Aug. 18, 2009
7572656 Mask and method of manufacturing liquid crystal display device using the same Aug. 11, 2009
7569439 Thin film semiconductor device, production process and information displays Aug. 4, 2009
7566904 Thin film transistor having oxide semiconductor layer and manufacturing method thereof Jul. 28, 2009
7564055 Transistor including a deposited channel region having a doped portion Jul. 21, 2009
7564059 Semiconductor device with tapered gates Jul. 21, 2009
7553713 Method of manufacturing semiconductor substrates and semiconductor devices Jun. 30, 2009
7550330 Deep junction SOI MOSFET with enhanced edge body contacts Jun. 23, 2009
7550768 Thin film transistor array panel and method for manufacturing the same Jun. 23, 2009
7545008 Complementary metal-oxide-semiconductor transistor structure for high density and high performance integrated circuits Jun. 9, 2009
7514714 Thin film power MOS transistor, apparatus, and method Apr. 7, 2009
7514712 Electro-optic display and connection between drain electrode and pixel electrode Apr. 7, 2009
7514302 Semiconductor device and manufacturing method thereof Apr. 7, 2009
7507614 Image sensor applied with device isolation technique for reducing dark signals and fabrication method thereof Mar. 24, 2009
7501654 Liquid crystal display device and method for fabrication thereof Mar. 10, 2009
7498206 Order receiving process for manufacturing a semiconductor display device Mar. 3, 2009
7488632 Thin film transistor substrate for display device and fabricating method thereof Feb. 10, 2009
7476899 Active matrix substrate and method of manufacturing the same Jan. 13, 2009
7456476 Nonplanar semiconductor device with partially or fully wrapped around gate electrode and methods of fabrication Nov. 25, 2008
7408196 Semiconductor device and display device Aug. 5, 2008
7397086 Top-gate thin-film transistor Jul. 8, 2008
7391052 TFT structure for suppressing parasitic MOSFET in active display Jun. 24, 2008
7388265 Thin film transistor and fabrication method thereof Jun. 17, 2008

1 2 3 4 5 6 7 8










 
 
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