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Class Information
Number: 257/E21.193
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 insulator (epo) > On single crystalline silicon (epo)
Description: This subclass is indented under subclass E21.192. This subclass is substantially the same in scope as ECLA classification H01L21/28E2C2.


Sub-classes under this class:

Class Number Class Name Patents
257/E21.194 Characterized by treatment after formation of definitive gate conductor (epo) 246


Patents under this class:

Patent Number Title Of Patent Date Issued
7557048 Methods of forming semiconductor constructions Jul. 7, 2009
7514758 Dual-oxide transistors for the improvement of reliability and off-state leakage Apr. 7, 2009
7459720 Single crystal wafer and solar battery cell Dec. 2, 2008
7429539 Nitriding method of gate oxide film Sep. 30, 2008
7405131 Method and structure to prevent silicide strapping of source/drain to body in semiconductor devices with source/drain stressor Jul. 29, 2008
7365027 ALD of amorphous lanthanide doped TiO.sub.x films Apr. 29, 2008
7361613 Semiconductor device, manufacture and evaluation methods for semiconductor device, and process condition evaluation method Apr. 22, 2008
7348222 Method for manufacturing a thin film transistor and method for manufacturing a semiconductor device Mar. 25, 2008
7320943 Capacitor with hafnium, lanthanum and oxygen mixed dielectric and method for fabricating the same Jan. 22, 2008
7282415 Method for making a semiconductor device with strain enhancement Oct. 16, 2007
7282403 Temperature stable metal nitride gate electrode Oct. 16, 2007
7268047 Semiconductor device and method for manufacturing the same Sep. 11, 2007
7250375 Substrate processing method and material for electronic device Jul. 31, 2007
7238625 Method for processing a semiconductor device comprising a silicon-oxy-nitride dielectric layer Jul. 3, 2007
7235448 Dielectric layer forming method and devices formed therewith Jun. 26, 2007
7232772 Substrate processing method Jun. 19, 2007
7232731 Method for fabricating transistor of semiconductor device Jun. 19, 2007
7205217 Method for forming trench gate dielectric layer Apr. 17, 2007
7195961 SOI structure comprising substrate contacts on both sides of the box, and method for the production of such a structure Mar. 27, 2007
7192887 Semiconductor device with nitrogen in oxide film on semiconductor substrate and method of manufacturing the same Mar. 20, 2007
7189662 Methods of forming semiconductor constructions Mar. 13, 2007
7189623 Semiconductor processing method and field effect transistor Mar. 13, 2007
7176094 Ultra-thin gate oxide through post decoupled plasma nitridation anneal Feb. 13, 2007
7169716 Photosensitive lacquer for providing a coating on a semiconductor substrate or a mask Jan. 30, 2007
7163901 Methods for forming thin film layers by simultaneous doping and sintering Jan. 16, 2007
7160818 Semiconductor device and method for fabricating same Jan. 9, 2007
7151299 Semiconductor device and its manufacturing method Dec. 19, 2006
7135421 Atomic layer-deposited hafnium aluminum oxide Nov. 14, 2006
7115456 Sequential lateral solidification device and method of crystallizing silicon using the same Oct. 3, 2006
7109131 System and method for hydrogen-rich selective oxidation Sep. 19, 2006
7105411 Methods of forming a transistor gate Sep. 12, 2006
7067434 Hydrogen free integration of high-k gate dielectrics Jun. 27, 2006
7064052 Method of processing a transistor gate dielectric film with stem Jun. 20, 2006
7064058 Low-temperature growth high-quality ultra-thin praseodymium gate dieletrics Jun. 20, 2006
7060524 Methods of testing/stressing a charge trapping device Jun. 13, 2006
7060600 Semiconductor capacitor and MOSFET fitted therewith Jun. 13, 2006
7061128 Semiconductor device and manufacturing method of the same Jun. 13, 2006
7056835 Surface preparation prior to deposition Jun. 6, 2006
7056836 Manufacturing method for a semiconductor device Jun. 6, 2006
7057244 Dielectric materials Jun. 6, 2006
7052953 Dielectric material forming methods and enhanced dielectric materials May. 30, 2006
7053006 Methods of fabricating oxide layers by plasma nitridation and oxidation May. 30, 2006
7053009 Nanolaminate film atomic layer deposition method May. 30, 2006
7053455 Semiconductor device and method of manufacturing semiconductor device May. 30, 2006
7049242 Post high voltage gate dielectric pattern plasma surface treatment May. 23, 2006
7045406 Method of forming an electrode with adjusted work function May. 16, 2006
7045430 Atomic layer-deposited LaAlO3 films for gate dielectrics May. 16, 2006
7045855 Semiconductor device and corresponding fabrication method May. 16, 2006
7041556 Vertical transistor and method of making May. 9, 2006
7041563 Semiconductor device having a shallow trench isolation and method of fabricating the same May. 9, 2006



 
 
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