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Class Information
Number: 257/E29.018
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) > Comprising internal isolation within devices or components (epo)
Description: This subclass is indented under subclass E29.006. This subclass is substantially the same in scope as ECLA classification H01L29/06B3.










Sub-classes under this class:

Class Number Class Name Patents
257/E29.02 Isolation by dielectric regions (epo) 382
257/E29.019 Isolation by pn junctions (epo) 61


Patents under this class:
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Patent Number Title Of Patent Date Issued
8710546 Avalanche photodiodes having accurate and reproductible amplification layer Apr. 29, 2014
8692299 Two-step shallow trench isolation (STI) process Apr. 8, 2014
8618608 Lateral silicon controlled rectifier structure Dec. 31, 2013
8604513 Semiconductor device having SOI substrate Dec. 10, 2013
8575676 Semiconductor storage device and method for manufacturing the same Nov. 5, 2013
8546907 Enhanced transmission lines for radio frequency applications Oct. 1, 2013
8531007 Semiconductor device and the method for manufacturing the same Sep. 10, 2013
8487411 Multiple patterning using improved patternable low-.kappa. dielectric materials Jul. 16, 2013
8410574 Integrated microelectronic device with through-vias Apr. 2, 2013
8344474 Microstructure device including a metallization structure with self-aligned air gaps and refilled air gap exclusion zones Jan. 1, 2013
8304316 Semiconductor device and method of forming a semiconductor device Nov. 6, 2012
8237193 Lateral transient voltage suppressor for low-voltage applications Aug. 7, 2012
8193603 Semiconductor structure and method of forming the semiconductor structure that provides two individual resistors or a capacitor Jun. 5, 2012
8159029 High voltage device having reduced on-state resistance Apr. 17, 2012
8129799 Semiconductor device Mar. 6, 2012
8115272 Silicon dioxide cantilever support and method for silicon etched structures Feb. 14, 2012
8102001 Initial-on SCR device for on-chip ESD protection Jan. 24, 2012
8072020 Nonvolatile semiconductor memory device Dec. 6, 2011
8039905 Semiconductor device Oct. 18, 2011
8003489 Method for forming isolation layer in semiconductor device Aug. 23, 2011
7994587 Semiconductor device and semiconductor device manufacturing method Aug. 9, 2011
7943529 Passivation structure and fabricating method thereof May. 17, 2011
7932565 Integrated circuit structure having bottle-shaped isolation Apr. 26, 2011
7923807 Semiconductor device having an insulator including an inductive load driving circuit Apr. 12, 2011
7919389 Semiconductor memory device that is resistant to high voltages and a method of manufacturing the same Apr. 5, 2011
7892938 Structure and method for III-nitride monolithic power IC Feb. 22, 2011
7838937 Circuits providing ESD protection to high voltage laterally diffused metal oxide semiconductor (LDMOS) transistors Nov. 23, 2010
7808052 Semiconductor device and method of forming the same Oct. 5, 2010
7795680 Integrated circuit system employing selective epitaxial growth technology Sep. 14, 2010
7776670 Silicon thin-film and method of forming silicon thin-film Aug. 17, 2010
7737502 Raised STI process for multiple gate ox and sidewall protection on strained Si/SGOI sructure with elevated source/drain Jun. 15, 2010
7696576 Semiconductor device that includes transistors formed on different silicon surfaces Apr. 13, 2010
7651921 Semiconductor device having a frontside contact and vertical trench isolation and method of fabricating same Jan. 26, 2010
7649238 Semiconductor device Jan. 19, 2010
7615840 Device performance improvement using flowfill as material for isolation structures Nov. 10, 2009
7592676 Semiconductor device with a transistor having different source and drain lengths Sep. 22, 2009
7420258 Semiconductor device having trench structures and method Sep. 2, 2008
7420260 Power semiconductor device for suppressing substrate recirculation current and method of fabricating power semiconductor device Sep. 2, 2008
7394132 Apparatus and methods for integrated circuit with devices with body contact and devices with electrostatic discharge protection Jul. 1, 2008
7391095 Semiconductor device Jun. 24, 2008
7112867 Resistive isolation between a body and a body contact Sep. 26, 2006
6271093 Methods for reducing anomalous narrow channel effect in trench-bounded buried-channel p-MOSFETs Aug. 7, 2001
5858825 Methods for reducing anomalous narrow channel effect in trench-bounded buried-channel p-MOSFETS Jan. 12, 1999
5652452 Semiconductor device with pluralities of gate electrodes Jul. 29, 1997
5559050 P-MOSFETS with enhanced anomalous narrow channel effect Sep. 24, 1996
5132760 Electron wave deflection in modulation doped and other doped semiconductor structures Jul. 21, 1992
4833517 Theta device with improved base contact May. 23, 1989
4801995 Semiconductor device Jan. 31, 1989
4683487 Heterojunction bipolar transistor Jul. 28, 1987
4612465 Lateral bidirectional notch FET with gates at non-common potentials Sep. 16, 1986

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