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Class Information
Number: 257/E21.545
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 devices consisting of plurality of solid-state components formed in or on common substrate or of parts thereof; manufacture of integrated circuit devices or of parts thereof (epo) > Manufacture of specific parts of devices (epo) > Making of isolation regions between components (epo) > Dielectric regions, e.g., epic dielectric isolation, locos; trench refilling techniques, soi technology, use of channel stoppers (epo)
Description: This subclass is indented under subclass E21.54. This subclass is substantially the same in scope as ECLA classification H01L21/762.










Sub-classes under this class:

Class Number Class Name Patents
257/E21.56 Dielectric isolation using epic technique, i.e., epitaxial passivated integrated circuit (epo) 183
257/E21.552 Using local oxidation of silicon, e.g., locos, swami, silo (epo) 559
257/E21.571 Using selective deposition of single crystal silicon, i.e., seg technique (epo) 96
257/E21.561 Using semiconductor or insulator technology, i.e., soi technology (epo) 454
257/E21.546 Using trench refilling with dielectric materials (epo) 1,430


Patents under this class:
1 2 3 4 5 6 7 8 9 10

Patent Number Title Of Patent Date Issued
8704329 SOI devices for plasma display panel driver chip Apr. 22, 2014
8692299 Two-step shallow trench isolation (STI) process Apr. 8, 2014
8692350 Semiconductor device and method of manufacturing the same Apr. 8, 2014
8685830 Method of filling shallow trenches Apr. 1, 2014
8686535 Trench isolation implantation Apr. 1, 2014
8679938 Shallow trench isolation for device including deep trench capacitors Mar. 25, 2014
8673734 Semiconductor device and method for fabricating the same Mar. 18, 2014
8669623 Structure related to a thick bottom dielectric (TBD) for trench-gate devices Mar. 11, 2014
8643110 Localized biasing for silicon on insulator structures Feb. 4, 2014
8637935 Semiconductor device including embedded isolation regions and method for forming the same Jan. 28, 2014
8629037 Forming a protective film on a back side of a silicon wafer in a III-V family fabrication process Jan. 14, 2014
8629508 Semiconductor device and method of manufacture Jan. 14, 2014
8618668 Semiconductor contact barrier Dec. 31, 2013
8614137 Dual contact trench resistor in shallow trench isolation (STI) and methods of manufacture Dec. 24, 2013
8603892 Method of manufacturing a semiconductor device Dec. 10, 2013
8603895 Methods of forming isolation structures for semiconductor devices by performing a deposition-etch-deposition sequence Dec. 10, 2013
8604527 Electronic devices and systems, and methods for making and using the same Dec. 10, 2013
8604530 Electronic devices and systems, and methods for making and using the same Dec. 10, 2013
8586455 Preventing shorting of adjacent devices Nov. 19, 2013
8569839 Semiconductor device and manufacturing method thereof Oct. 29, 2013
8541841 Semiconductor devices and semiconductor device manufacturing methods Sep. 24, 2013
8541824 Electronic devices and systems, and methods for making and using the same Sep. 24, 2013
8530332 Method for manufacturing SOI substrate and semiconductor device Sep. 10, 2013
8530999 Semiconductor component with isolation trench intersections Sep. 10, 2013
8524569 Methods of forming an isolation layer and methods of manufacturing semiconductor devices having an isolation layer Sep. 3, 2013
8519484 Semiconductor devices having dual trench, methods of fabricating the same, and electronic system having the same Aug. 27, 2013
8519480 Electrostatic discharge protection device Aug. 27, 2013
8486839 Methods and apparatus to improve reliability of isolated vias Jul. 16, 2013
8476734 Semiconductor component and methods for producing a semiconductor component Jul. 2, 2013
8466508 Non-volatile memory structure including stress material between stacked patterns Jun. 18, 2013
8445387 Epitaxial silicon growth May. 21, 2013
8420484 Semiconductor device having a buried gate that can realize a reduction in gate-induced drain leakage (GIDL) and method for manufacturing the same Apr. 16, 2013
8415721 Field side sub-bitline nor flash array and method of fabricating the same Apr. 9, 2013
8410554 Method, structure and design structure for customizing history effects of SOI circuits Apr. 2, 2013
8378445 Trench structures in direct contact Feb. 19, 2013
8361864 Semiconductor device having a saddle fin shaped gate and method for manufacturing the same Jan. 29, 2013
8349698 Integrated semiconductor device and method of manufacturing the same Jan. 8, 2013
8343880 Process for preparing a dielectric interlayer film containing silicon beta zeolite Jan. 1, 2013
8338909 Two-Step STI formation process Dec. 25, 2012
8338246 Method for fabricating a semiconductor device having a device isolation trench Dec. 25, 2012
8329552 Semiconductor device and method of manufacture Dec. 11, 2012
8318584 Oxide-rich liner layer for flowable CVD gapfill Nov. 27, 2012
8299527 Vertical LDMOS device and method for fabricating same Oct. 30, 2012
8298912 Semiconductor structure and method of manufacturing same Oct. 30, 2012
8294274 Semiconductor contact barrier Oct. 23, 2012
RE43765 Method for fabricating semiconductor device having trench isolation layer Oct. 23, 2012
8283747 Semiconductor device and fabrication method of the same Oct. 9, 2012
8279615 Encapsulation module method for production and use thereof Oct. 2, 2012
8273617 Electronic devices and systems, and methods for making and using the same Sep. 25, 2012
8252693 Self-alignment for semiconductor patterns Aug. 28, 2012

1 2 3 4 5 6 7 8 9 10










 
 
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