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Class Information
Number: 257/E29.024
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 shape, relative sizes or dispositions of semiconductor regions or junctions between regions (epo)
Description: This subclass is indented under subclass E29.005. This subclass is substantially the same in scope as ECLA classification H01L29/06D.

Sub-classes under this class:

Class Number Class Name Patents
257/E29.025 Characterized by particular shape of junction between semiconductor regions (epo) 42
257/E29.026 Surface layout of device (epo) 296

Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8710489 Epitaxial substrate for electronic device, in which current flows in lateral direction and method of producing the same Apr. 29, 2014
8704307 Device for electrostatic discharge protection comprising triple-diffused drain structure Apr. 22, 2014
8664699 Methods and devices for fabricating and assembling printable semiconductor elements Mar. 4, 2014
8629477 Lattice-mismatched semiconductor structures with reduced dislocation defect densities and related methods for device fabrication Jan. 14, 2014
8569796 Semiconductor wafer and semiconductor device having multilayered nitride semiconductor layer Oct. 29, 2013
8530884 Strain inducing semiconductor regions Sep. 10, 2013
8525151 Apparatus and methods for improving parallel conduction in a quantum well device Sep. 3, 2013
8519436 Lattice-mismatched semiconductor structures with reduced dislocation defect densities and related methods for device fabrication Aug. 27, 2013
8487355 Structure and method for compact long-channel FETs Jul. 16, 2013
8450813 Fin transistor structure and method of fabricating the same May. 28, 2013
8445973 Fin transistor structure and method of fabricating the same May. 21, 2013
8426926 Semiconductor devices having field effect transistors with epitaxial patterns in recessed regions Apr. 23, 2013
8421059 Strain-inducing semiconductor regions Apr. 16, 2013
8410544 finFETs and methods of making same Apr. 2, 2013
8399339 Nanosensors Mar. 19, 2013
8384122 Tunneling transistor suitable for low voltage operation Feb. 26, 2013
8378445 Trench structures in direct contact Feb. 19, 2013
8357990 Semiconductor device Jan. 22, 2013
8344416 Integrated circuits using guard rings for ESD, systems, and methods for forming the integrated circuits Jan. 1, 2013
8324660 Lattice-mismatched semiconductor structures with reduced dislocation defect densities and related methods for device fabrication Dec. 4, 2012
8309988 Field effect transistor Nov. 13, 2012
8278728 Array of concentric CMOS photodiodes for detection and de-multiplexing of spatially modulated optical channels Oct. 2, 2012
8242001 Apparatus and methods for improving parallel conduction in a quantum well device Aug. 14, 2012
8237150 Nanowire devices for enhancing mobility through stress engineering Aug. 7, 2012
8174076 Method for manufacturing electronic devices integrated in a semiconductor substrate and corresponding devices May. 8, 2012
8134188 Circuits and methods for improved FET matching Mar. 13, 2012
8134211 Triggered silicon controlled rectifier for RF ESD protection Mar. 13, 2012
8129800 Gate-all-around integrated circuit devices Mar. 6, 2012
8125021 Non-volatile memory devices including variable resistance material Feb. 28, 2012
8105916 Relaxation and transfer of strained layers Jan. 31, 2012
8072019 Flash memory and manufacturing method of the same Dec. 6, 2011
8039894 Trench transistor and method for fabricating a trench transistor with high-energy-implanted drain Oct. 18, 2011
8039899 Electrostatic discharge protection device Oct. 18, 2011
8008687 Electrostatic discharge protection device Aug. 30, 2011
7977690 Techniques for use of nanotechnology in photovoltaics Jul. 12, 2011
7910999 Method for four direction low capacitance ESD protection Mar. 22, 2011
7880201 Optical modulator using a serpentine dielectric layer between silicon layers Feb. 1, 2011
7868384 High-voltage semiconductor device and method of fabricating the same Jan. 11, 2011
7858992 Nitride semiconductor light-emitting device, method of fabricating it, and semiconductor optical apparatus Dec. 28, 2010
7851883 Semiconductor device and method of manufacture thereof Dec. 14, 2010
7847288 Method and resulting structure for fabricating test key structures in DRAM structures Dec. 7, 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
7714317 Assembly of ordered carbon shells on semiconducting nanomaterials May. 11, 2010
7692254 Fin-type field effect transistor structure with merged source/drain silicide and method of forming the structure Apr. 6, 2010
7683437 Semiconductor device having fin field effect transistor and manufacturing method thereof Mar. 23, 2010
7595542 Periphery design for charge balance power devices Sep. 29, 2009
7582936 Electro-static discharge protection circuit and method for fabricating the same Sep. 1, 2009
7550804 Semiconductor device and method for forming the same Jun. 23, 2009
7485930 Method for four direction low capacitance ESD protection Feb. 3, 2009
7385223 Flat panel display with thin film transistor Jun. 10, 2008

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