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Class Information
Number: 438/151
Name: Semiconductor device manufacturing: process > Making field effect device having pair of active regions separated by gate structure by formation or alteration of semiconductive active regions > On insulating substrate or layer (e.g., tft, etc.) > Having insulated gate
Description: Process for making an insulated gate field effect transistor from a semiconductive layer formed upon an insulating substrate (for example, glass or sapphire) or an insulating layer.










Sub-classes under this class:

Class Number Class Name Patents
438/163 Adjusting channel dimension (e.g., providing lightly doped source or drain region, etc.) 471
438/155 And additional electrical device on insulating substrate or layer 561
438/152 Combined with electrical device not on insulating substrate or layer 381
438/154 Complementary field effect transistors 601
438/166 Including recrystallization step 1,357
438/161 Including source or drain electrode formation prior to semiconductor layer formation (i.e., staggered electrodes) 258
438/162 Introduction of nondopant into semiconductor layer 364
438/158 Inverted transistor structure 1,015
438/157 Plural gate electrodes (e.g., dual gate, etc.) 673
438/164 Semiconductor islands formed upon insulating substrate or layer (e.g., mesa formation, etc.) 811
438/156 Vertical channel 337


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Next

Patent Number Title Of Patent Date Issued
7629191 Semiconductor device Dec. 8, 2009
7625798 Method of producing semiconductor memory Dec. 1, 2009
7625785 Semiconductor device and manufacturing method thereof Dec. 1, 2009
7622761 Non-volatile memory device and method of manufacturing the same Nov. 24, 2009
7622739 Thin film transistor for flat panel display and method of fabricating the same Nov. 24, 2009
7619256 Electro-optical device and electronic apparatus Nov. 17, 2009
7615421 Method for fabricating thin film transistor Nov. 10, 2009
7615384 Semiconductor display device and method of manufacturing the same Nov. 10, 2009
7611930 Method of manufacturing display device Nov. 3, 2009
7608495 Transistor forming methods Oct. 27, 2009
7608490 Semiconductor device and manufacturing method thereof Oct. 27, 2009
7608476 Electronic device Oct. 27, 2009
7605443 Semiconductor substrate manufacturing method and semiconductor device manufacturing method, and semiconductor substrate and semiconductor device manufactured by the methods Oct. 20, 2009
7605046 Active matrix structure for a display device and method for its manufacture Oct. 20, 2009
7605026 Self-aligned transparent metal oxide TFT on flexible substrate Oct. 20, 2009
7605025 Methods of forming MOSFETS using crystalline sacrificial structures Oct. 20, 2009
7605023 Manufacturing method for a semiconductor device and heat treatment method therefor Oct. 20, 2009
7601572 Semiconductor device and manufacturing method thereof Oct. 13, 2009
7601569 Partially depleted SOI field effect transistor having a metallized source side halo region Oct. 13, 2009
7601567 Method of preparing organic thin film transistor, organic thin film transistor, and organic light-emitting display device including the organic thin film transistor Oct. 13, 2009
7598129 Light-emitting device and method for manufacturing the same Oct. 6, 2009
7598103 Liquid crystal display panel with different substrate materials and method of making the liquid crystal display panel Oct. 6, 2009
7588976 Display device, method of production of the same, and projection type display device Sep. 15, 2009
7588971 Method of fabricating vertical thin film transistor Sep. 15, 2009
7588881 Method of making thin film transistor liquid crystal display Sep. 15, 2009
7586122 Thin film transistor substrate and manufacturing method thereof Sep. 8, 2009
7585710 Methods of forming electronic devices having partially elevated source/drain structures Sep. 8, 2009
7585697 Thin-film transistor, method of producing thin-film transistor, electronic circuit, display, and electronic device Sep. 8, 2009
7582509 Micro-embossing fabrication of electronic devices Sep. 1, 2009
7582217 Etchant composition, methods of patterning conductive layer and manufacturing flat panel display device using the same Sep. 1, 2009
7579653 TFT, electronic device having the TFT, and flat display device having the TFT Aug. 25, 2009
7579224 Method for manufacturing a thin film semiconductor device Aug. 25, 2009
7579223 Semiconductor apparatus and process for fabricating the same Aug. 25, 2009
7579222 Manufacturing method of thin film device substrate Aug. 25, 2009
7579220 Semiconductor device manufacturing method Aug. 25, 2009
7579214 Semiconductor device and a method of manufacturing the same Aug. 25, 2009
7575965 Method for forming large area display wiring by droplet discharge, and method for manufacturing electronic device and semiconductor device Aug. 18, 2009
7575963 Method for manufacturing contact structures of wiring Aug. 18, 2009
7575961 Electrooptical device and a method of manufacturing the same Aug. 18, 2009
7575960 Method for fabricating a thin film transistor matrix device Aug. 18, 2009
7573100 High voltage semiconductor device and method for fabricating the same Aug. 11, 2009
7572688 Method for manufacturing semiconductor device Aug. 11, 2009
7572687 Semiconductor device and manufacturing method of the same Aug. 11, 2009
7572686 System for thin film deposition utilizing compensating forces Aug. 11, 2009
7572685 Method of manufacturing thin film transistor Aug. 11, 2009
7569436 Manufacturing method of semiconductor device Aug. 4, 2009
7569435 Transistor manufacture Aug. 4, 2009
7566599 High performance FET with elevated source/drain region Jul. 28, 2009
7566598 Method of mask reduction for producing a LTPS-TFT array by use of photo-sensitive low-K dielectrics Jul. 28, 2009
7566597 Manufacturing method of thin film transistor array substrate Jul. 28, 2009

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