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Class Information
Number: 257/E29.013
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Semiconductors devices adapted for rectifying, amplifying, oscillating, or switching, capacitors, or resistors with at least one potential-jump barrier or surface barrier (epo) > Electrical characteristics due to properties of entire semiconductor body rather than just surface region (epo) > Characterized by specified shape or size of pn junction or by specified impurity concentration gradient within the device (epo) > Characterized by particular design considerations to control electrical field effect within device (epo) > For controlling surface leakage or electric field concentration (epo) > For controlling breakdown voltage of reverse biased devices (epo) > By doping profile or shape or arrangement of the pn junction, or with supplementary regions (e.g., guard ring, ldd, drift region) (epo) > With supplementary region doped oppositely to or in rectifying contact with semiconductor containing or contacting region(e.g., guard rings with pn or schottky junction) (epo)
Description: This subclass is indented under subclass E29.012. This subclass is substantially the same in scope as ECLA classification H01L29/06B2B3B.










Patents under this class:
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Patent Number Title Of Patent Date Issued
7821092 Semiconductor device Oct. 26, 2010
7799627 Multi device and method of manufacturing the same Sep. 21, 2010
7777274 Power semiconductor component having a field electrode and method for producing this component Aug. 17, 2010
7777292 Semiconductor device Aug. 17, 2010
7777277 Dual triggered silicon controlled rectifier Aug. 17, 2010
7768092 Semiconductor device comprising a junction having a plurality of rings Aug. 3, 2010
7745908 Semiconductor component containing compound of aluminum, gallium, indium, arsenic, and antimony has mesa structure whose sides have passivation layer of compound of aluminum, gallium, arsenic, Jun. 29, 2010
7737522 Trench junction barrier controlled Schottky device with top and bottom doped regions for enhancing forward current in a vertical direction Jun. 15, 2010
7727838 Method to improve transistor Tox using high-angle implants with no additional masks Jun. 1, 2010
7719025 Integrated circuit ESD protection May. 18, 2010
7705398 Semiconductor device preventing recovery breakdown and manufacturing method thereof Apr. 27, 2010
7692198 Wide-bandgap semiconductor devices Apr. 6, 2010
7675135 Integrated high voltage power device having an edge termination of enhanced effectiveness Mar. 9, 2010
7667288 Systems and methods for voltage distribution via epitaxial layers Feb. 23, 2010
7656003 Electrical stress protection apparatus and method of manufacture Feb. 2, 2010
7652377 Semiconductor device and manufacturing method of the same Jan. 26, 2010
7649213 Semiconductor device Jan. 19, 2010
7642615 Semiconductor device with a noise prevention structure Jan. 5, 2010
7638368 Reverse blocking semiconductor device and a method for manufacturing the same Dec. 29, 2009
7612371 Structure to monitor arcing in the processing steps of metal layer build on silicon-on-insulator semiconductors Nov. 3, 2009
7564097 Trench-gated MOSFET including schottky diode therein Jul. 21, 2009
7564103 High-frequency switching transistor and high-frequency circuit Jul. 21, 2009
7541247 Guard ring structures for high voltage CMOS/low voltage CMOS technology using LDMOS (lateral double-diffused metal oxide semiconductor) device fabrication Jun. 2, 2009
7538388 Semiconductor device with a super-junction May. 26, 2009
7531871 Power semiconductor switching element May. 12, 2009
7525178 Semiconductor device with capacitively coupled field plate Apr. 28, 2009
7518208 Semiconductor device having power transistors and Schottky barrier diode Apr. 14, 2009
7517762 Semiconductor device capable of preventing moisture-absorption of fuse area thereof and method for manufacturing the fuse area Apr. 14, 2009
7507622 Semiconductor device and manufacturing method thereof Mar. 24, 2009
7491982 Diode having low forward voltage drop Feb. 17, 2009
7488991 Molecular controlled semiconductor device Feb. 10, 2009
7453128 Semiconductor device and method for fabricating the same Nov. 18, 2008
7411257 Semiconductor device having guard ring and manufacturing method thereof Aug. 12, 2008
7405449 Semiconductor device and method of manufacturing the same Jul. 29, 2008
7405445 Semiconductor structure and method for ESD protection Jul. 29, 2008
7384826 Method of forming ohmic contact to a semiconductor body Jun. 10, 2008
7378310 Method for manufacturing a memory device having a nanocrystal charge storage region May. 27, 2008
7335949 Semiconductor device and method of fabricating the same Feb. 26, 2008
7307330 Reverse blocking semiconductor device and a method for manufacturing the same Dec. 11, 2007
7288799 Semiconductor device and fabrication method thereof Oct. 30, 2007
7274077 Trench transistor Sep. 25, 2007
7230297 Trench-gated MOSFET including schottky diode therein Jun. 12, 2007
7145211 Seal ring for mixed circuitry semiconductor devices Dec. 5, 2006
7132720 Semiconductor device having guard ring and manufacturing method thereof Nov. 7, 2006
7126151 Interconnected high speed electron tunneling devices Oct. 24, 2006
7074681 Semiconductor component and method of manufacturing Jul. 11, 2006
7071503 Semiconductor structure with a switch element and an edge element Jul. 4, 2006
7063975 Shallow trench power MOSFET and IGBT Jun. 20, 2006
7064384 Semiconductor device Jun. 20, 2006
7049675 High withstand voltage semiconductor device May. 23, 2006

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