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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
7691697 Power composite integrated semiconductor device and manufacturing method thereof Apr. 6, 2010
7691685 Method for manufacturing semiconductor device Apr. 6, 2010
7691654 Method for manufacturing active matrix substrate, active matrix substrate, electro-optical device and electronic apparatus Apr. 6, 2010
7687330 TFT-LCD pixel structure and manufacturing method thereof Mar. 30, 2010
7687329 Gettering of silicon on insulator using relaxed silicon germanium epitaxial proximity layers Mar. 30, 2010
7687289 Pixel structure and manufacturing method thereof Mar. 30, 2010
7686968 Composition for removing conductive materials and manufacturing method of array substrate using the same Mar. 30, 2010
7683371 Display panel and method for manufacturing the same Mar. 23, 2010
7682884 Method for fabricating pixel structure Mar. 23, 2010
7682883 Manufacturing method of thin film transistor array substrate and liquid crystal display panel Mar. 23, 2010
7682882 Method of manufacturing ZnO-based thin film transistor Mar. 23, 2010
7682867 Organic thin-film transistor and manufacturing method thereof Mar. 23, 2010
7678625 Methods of fabricating semiconductor devices including channel layers having improved defect density and surface roughness characteristics Mar. 16, 2010
7678624 Semiconductor device and method for manufacturing same Mar. 16, 2010
7678623 Staggered source/drain and thin-channel TFT structure and fabrication method thereof Mar. 16, 2010
7678619 Method of manufacturing a thin film transistor matrix substrate Mar. 16, 2010
7674662 Process for making thin film field effect transistors using zinc oxide Mar. 9, 2010
7674659 Method for fabricating a thin film transistor Mar. 9, 2010
7670896 Method and structure for reducing floating body effects in MOSFET devices Mar. 2, 2010
7670889 Structure and method for fabrication JFET in CMOS Mar. 2, 2010
7670886 Method for fabricating polysilicon film Mar. 2, 2010
7666764 Compound semiconductor material and method for forming an active layer of a thin film transistor device Feb. 23, 2010
7666719 Peeling method Feb. 23, 2010
7666697 Thin film transistor substrate and method of manufacturing the same Feb. 23, 2010
7662676 Signal line for display device and thin film transistor array panel including the signal line Feb. 16, 2010
7662660 Thin film transistor array substrate and fabrication method thereof Feb. 16, 2010
7659586 Inverter with four-transistor Schmitt trigger Feb. 9, 2010
7659130 Thin film transistor array panel for display and manufacturing method thereof Feb. 9, 2010
7655566 Method for manufacturing semiconductor device Feb. 2, 2010
7655512 Method for forming electrodes of organic electronic devices, organic thin film transistors comprising such electrodes, and display devices comprising such transistors Feb. 2, 2010
7651899 Fabricating method for thin film transistor array substrate and thin film transistor array substrate using the same Jan. 26, 2010
7651897 Integrated circuit with metal heat flow path coupled to transistor and method for manufacturing such circuit Jan. 26, 2010
7648897 Method for manufacturing conductive layer and semiconductor device Jan. 19, 2010
7648865 Method for manufacturing pixel structure Jan. 19, 2010
7648861 Method of fabricating a semiconductor device including separately forming a second semiconductor film containing an impurity element over the first semiconductor region Jan. 19, 2010
7648689 Process for the production of InP fine particles and InP fine particle dispersion obtained by the process Jan. 19, 2010
7645649 Method for fabricating pixel structure Jan. 12, 2010
7643101 Polycrystalline liquid crystal display device and fabrication method thereof Jan. 5, 2010
7642142 Method for manufacturing a flash memory device with cavities in upper portions of conductors Jan. 5, 2010
7642140 CMOS integrated circuit devices and substrates having buried silicon germanium layers therein and method of forming same Jan. 5, 2010
7638384 Method of fabricating a semiconductor device Dec. 29, 2009
7638375 Method of manufacturing thin film transistor substrate Dec. 29, 2009
7638374 Method of fabricating vertical thin film transistor Dec. 29, 2009
7638358 Display device and manufacturing method thereof Dec. 29, 2009
7638253 Photoresist composition and method of manufacturing a thin-film transistor substrate using the same Dec. 29, 2009
7635894 Semiconductor thin film, thin film transistor, method for manufacturing same, and manufacturing equipment of semiconductor thin film Dec. 22, 2009
7635618 Integrated circuit devices with high and low voltage components and processes for manufacturing these devices Dec. 22, 2009
7635436 Etchant composition and manufacturing method for thin film transistor array panel Dec. 22, 2009
7632723 Thin film transistor array panel and manufacturing method thereof Dec. 15, 2009
7629207 Bottom gate thin film transistor and method of manufacturing the same Dec. 8, 2009

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