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Class Information
Number: 257/653
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > With specified shape of pn junction
Description: Subject matter wherein the device has at least one junction between semiconductor regions of opposite conductivity type (P and N), and wherein the interface between at least one P region and its adjoining N region has a specified shape or geometrical configuration.










Sub-classes under this class:

Class Number Class Name Patents
257/654 Interdigitated pn junction or more heavily doped side of junction is concave 49


Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8710542 Semiconductor device Apr. 29, 2014
8710633 Semiconductor overlapped PN structure and manufacturing method thereof Apr. 29, 2014
8653593 Semiconductor device and method of manufacturing the same Feb. 18, 2014
8643152 Double trench rectifier Feb. 4, 2014
8633560 Semiconductor device Jan. 21, 2014
8581365 Bipolar junction transistor with layout controlled base and associated methods of manufacturing Nov. 12, 2013
8501598 Semiconductor substrate, semiconductor device, and method of producing semiconductor substrate Aug. 6, 2013
8486798 Variable capacitance chamber component incorporating a semiconductor junction and methods of manufacturing and using thereof Jul. 16, 2013
8373255 Diode for adjusting pin resistance of a semiconductor device Feb. 12, 2013
8368145 Semiconductor device and electronic device Feb. 5, 2013
8350366 Power semiconductor element with two-stage impurity concentration profile Jan. 8, 2013
8309958 Semiconductor memory device and method of manufacturing same Nov. 13, 2012
8278728 Array of concentric CMOS photodiodes for detection and de-multiplexing of spatially modulated optical channels Oct. 2, 2012
8253223 Diode for adjusting pin resistance of a semiconductor device Aug. 28, 2012
8164149 Vertical hall sensor Apr. 24, 2012
8125056 Double trench rectifier Feb. 28, 2012
8120134 High-performance diode device structure and materials used for the same Feb. 21, 2012
8114783 Silicon carbide semiconductor element, method of manufacturing the same, and silicon carbide device Feb. 14, 2012
8076672 Passivation structure with voltage equalizing loops Dec. 13, 2011
7999357 Electrostatic discharge circuit using forward biased circular-arc shaped steering diodes Aug. 16, 2011
7902051 Method for fabrication of single crystal diodes for resistive memories Mar. 8, 2011
7880201 Optical modulator using a serpentine dielectric layer between silicon layers Feb. 1, 2011
7872334 Carbon nanotube diodes and electrostatic discharge circuits and methods Jan. 18, 2011
7872322 Magnetic field sensor with a hall element Jan. 18, 2011
7812427 Soft switching semiconductor component with high robustness and low switching losses Oct. 12, 2010
7804157 Device configured to have a nanowire formed laterally between two electrodes and methods for forming the same Sep. 28, 2010
7791176 Power semiconductor component with trench-type second contact region Sep. 7, 2010
7772101 Phase-change memory device and method for manufacturing the same Aug. 10, 2010
7759769 Semiconductor structure of a high side driver Jul. 20, 2010
7737533 Low voltage transient voltage suppressor with tapered recess extending into substrate of device allowing for reduced breakdown voltage Jun. 15, 2010
7687891 Diode having one or more zones of a first conductivity type and one or more zones of a second conductivity type each located within a layer of the second conductivity type Mar. 30, 2010
7679192 Semiconductor device including cover layer Mar. 16, 2010
7635909 Semiconductor diode and IGBT Dec. 22, 2009
7589393 Semiconductor structure of a high side driver for two high voltage nodes with partially linked deep wells and method for manufacturing the same Sep. 15, 2009
7569847 Methods of fabricating nanostructures and nanowires and devices fabricated therefrom Aug. 4, 2009
7538362 Lateral semiconductor diode and method for fabricating it May. 26, 2009
7456033 Method of evaluating semiconductor device Nov. 25, 2008
7456491 Large area electron emission system for application in mask-based lithography, maskless lithography II and microscopy Nov. 25, 2008
7449749 Semiconductor device for limiting leakage current Nov. 11, 2008
7439560 Semiconductor device using semiconductor nanowire and display apparatus and image pick-up apparatus using the same Oct. 21, 2008
7394142 Bulk-isolated PN diode and method of forming a bulk-isolated PN diode Jul. 1, 2008
7348652 Bulk-isolated PN diode and method of forming a bulk-isolated PN diode Mar. 25, 2008
7335942 Field effect transistor sensor Feb. 26, 2008
7309921 Semiconductor device Dec. 18, 2007
7304350 Threshold voltage control layer in a semiconductor device Dec. 4, 2007
7187058 Semiconductor component having a pn junction and a passivation layer applied on a surface Mar. 6, 2007
7180142 Semiconductor device Feb. 20, 2007
7166890 Superjunction device with improved ruggedness Jan. 23, 2007
7078767 Semiconductor device for limiting leakage current Jul. 18, 2006
6979877 Solid-state device Dec. 27, 2005

1 2 3 4 5










 
 
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