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Class Information
Number: 257/E21.205
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Processes or apparatus adapted for manufacture or treatment of semiconductor or solid-state devices or of parts thereof (epo) > Manufacture or treatment of semiconductor device (epo) > Device having at least one potential-jump barrier or surface barrier, e.g., pn junction, depletion layer, carrier concentration layer (epo) > Device having semiconductor body comprising group iv elements or group iii-v compounds with or without impurities, e.g., doping materials (epo) > Manufacture of electrode on semiconductor body using process other than by epitaxial growth, diffusion of impurities, alloying of impurity materials, or radiation bombardment (epo) > Making electrode structure comprising conductor-insulator-semiconductor, e.g., mis gate (epo) > Insulator formed on silicon semiconductor body (epo) > Characterized by conductor (epo) > Characterized by sectional shape, e.g., t-shape, inverted t, spacer (epo)
Description: This subclass is indented under subclass E21.195. This subclass is substantially the same in scope as ECLA classification H01L21/28E2B20.










Patents under this class:
1 2 3 4 5 6 7 8 9

Patent Number Title Of Patent Date Issued
8686526 Semiconductor device and method of manufacturing the same Apr. 1, 2014
8685817 Metal gate structures for CMOS transistor devices having reduced parasitic capacitance Apr. 1, 2014
8669603 Semiconductor constructions Mar. 11, 2014
8614469 Semiconductor device and manufacturing method of the same Dec. 24, 2013
8574989 Semiconductor structure having a polysilicon structure and method of forming same Nov. 5, 2013
8557645 Semiconductor device with a gate electrode having a shape formed based on a slope and gate lower opening and method of manufacturing the same Oct. 15, 2013
8536041 Method for fabricating transistor with high-K dielectric sidewall spacer Sep. 17, 2013
8530288 Methods of forming memory arrays and semiconductor constructions Sep. 10, 2013
8487404 Fuse patterns and method of manufacturing the same Jul. 16, 2013
8461009 Spacer and process to enhance the strain in the channel with stress liner Jun. 11, 2013
8421132 Post-planarization UV curing of stress inducing layers in replacement gate transistor fabrication Apr. 16, 2013
8344436 Semiconductor constructions and electronic systems Jan. 1, 2013
8237205 Semiconductor device and method for fabricating the same Aug. 7, 2012
8232604 Transistor with high-k dielectric sidewall spacer Jul. 31, 2012
8198704 Semiconductor device including a crystal semiconductor layer Jun. 12, 2012
8043890 Process for separating disk-shaped substrates with the use of adhesive powers Oct. 25, 2011
8043915 Pitch multiplied mask patterns for isolated features Oct. 25, 2011
8013376 Memory arrays, semiconductor constructions and electronic systems with transistor gates extending partially over SOI and unit cells within active region pedestals Sep. 6, 2011
8004022 Field effect transistor Aug. 23, 2011
7952104 Thin-film transistor (TFT) device May. 31, 2011
7919379 Dielectric spacer removal Apr. 5, 2011
7919404 Method of manufacturing semiconductor device including forming a t-shape gate electrode Apr. 5, 2011
7915106 Method of fabricating T-gate Mar. 29, 2011
7915713 Field effect transistors with channels oriented to different crystal planes Mar. 29, 2011
7892903 Device manufacturing method and substrate comprising multiple resist layers Feb. 22, 2011
7888193 Semiconductor device with mushroom electrode and manufacture method thereof Feb. 15, 2011
7888210 Non-volatile memory fabrication and isolation for composite charge storage structures Feb. 15, 2011
7880241 Low-temperature electrically activated gate electrode and method of fabricating same Feb. 1, 2011
7842591 Method of fabricating short-gate-length electrodes for integrated III-V compound semiconductor devices Nov. 30, 2010
7842572 Methods of manufacturing semiconductor devices with local recess channel transistors Nov. 30, 2010
7824980 Semiconductor device and method for manufacturing the same Nov. 2, 2010
7776640 Image sensing device and packaging method thereof Aug. 17, 2010
7772101 Phase-change memory device and method for manufacturing the same Aug. 10, 2010
7772048 Forming semiconductor fins using a sacrificial fin Aug. 10, 2010
7759197 Method of forming isolated features using pitch multiplication Jul. 20, 2010
7759194 Electrically programmable device with embedded EEPROM and method for making thereof Jul. 20, 2010
7745889 Metal oxide semiconductor transistor with Y shape metal gate Jun. 29, 2010
7727844 Gate structure of a semiconductor device Jun. 1, 2010
7709310 Semiconductor device with mushroom electrode and manufacture method thereof May. 4, 2010
7705407 High voltage semicondutor transistor device having small size and long electron flow path Apr. 27, 2010
7678651 Method for fabricating semiconductor device Mar. 16, 2010
7648924 Method of manufacturing spacer Jan. 19, 2010
7642143 Method of fabricating thin film transistor having multilayer structure and active matrix display device including the thin film transistor Jan. 5, 2010
7638404 Method for forming low temperature polysilicon thin film transistor with low doped drain structure Dec. 29, 2009
7622767 Semiconductor device with T-shaped gate electrode and hollow region adjacent the gate electrode Nov. 24, 2009
7622339 EPI T-gate structure for CoSi.sub.2 extendibility Nov. 24, 2009
7612414 Overlapped stressed liners for improved contacts Nov. 3, 2009
7611933 Process for manufacturing a thin-film transistor (TFT) device and TFT device manufactured by the process Nov. 3, 2009
7608497 Passivated tiered gate structure transistor and fabrication method Oct. 27, 2009
7605087 Methods of forming semiconductor devices using di-block polymer layers Oct. 20, 2009

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