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Class Information
Number: 257/E29.325
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) > Types of semiconductor device (epo) > Controllable only by variation of electric current supplied or only electric potential applied to electrode carrying current to be rectified, amplified, oscillated, or switched (epo)
Description: This subclass is indented under subclass E29.166. This subclass is substantially the same in scope as ECLA classification H01L29/86.










Sub-classes under this class:

Class Number Class Name Patents
257/E29.342 Capacitor with potential barrier or surface barrier (epo) 88
257/E29.327 Diode (epo) 350
257/E29.326 Resistor with pn junction (epo) 183


Patents under this class:
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Patent Number Title Of Patent Date Issued
8709831 Integrated circuits with magnetic core inductors and methods of fabrications thereof Apr. 29, 2014
8710599 Micromachined devices and fabricating the same Apr. 29, 2014
8674451 N/P metal crystal orientation for high-K metal gate Vt modulation Mar. 18, 2014
8669638 High power semiconductor device for wireless applications and method of forming a high power semiconductor device Mar. 11, 2014
8659122 Semiconductor device and manufacturing method thereof Feb. 25, 2014
8642460 Semiconductor switching device and method of making the same Feb. 4, 2014
8633565 Semiconductor device including fuse having form of capacitor Jan. 21, 2014
8587028 Gateless switch with capacitively-coupled contacts Nov. 19, 2013
8564092 Power convertor device and construction methods Oct. 22, 2013
8558344 Small size and fully integrated power converter with magnetics on chip Oct. 15, 2013
8513771 Semiconductor package with integrated inductor Aug. 20, 2013
8476672 Electrostatic discharge protection device and method for fabricating the same Jul. 2, 2013
8471358 3D inductor and transformer Jun. 25, 2013
8470683 Method and electronic device for a simplified integration of high precision thinfilm resistors Jun. 25, 2013
8426226 Method for fabricating integrated alternating-current light-emitting-diode module Apr. 23, 2013
8421187 Semiconductor device and manufacturing method thereof Apr. 16, 2013
8391017 Thin-film capacitor structures embedded in semiconductor packages and methods of making Mar. 5, 2013
8378455 Electronic component arrangement comprising a varistor and a semiconductor component Feb. 19, 2013
8373250 On-chip inductor structure and method for manufacturing the same Feb. 12, 2013
8373251 Semiconductor device Feb. 12, 2013
8344478 Inductors having inductor axis parallel to substrate surface Jan. 1, 2013
8299571 Resistance-change memory cell array Oct. 30, 2012
8293591 Field effect transistor comprising gold layer, microfluidic device comprising the field effect transistor, and method of detecting analyte having thiol group using the field effect transistor Oct. 23, 2012
8294174 Light-emitting device Oct. 23, 2012
8237241 Semiconductor device Aug. 7, 2012
8217475 Backside controlled MEMS capacitive sensor and interface and method Jul. 10, 2012
8178942 Electrically alterable circuit for use in an integrated circuit device May. 15, 2012
8120072 JFET devices with increased barrier height and methods of making same Feb. 21, 2012
8110477 Semiconductor device and method of forming high-frequency circuit structure and method thereof Feb. 7, 2012
8035141 Bi-layer nFET embedded stressor element and integration to enhance drive current Oct. 11, 2011
8035175 Field effect transistor for detecting ionic material and method of detecting ionic material using the same Oct. 11, 2011
8008748 Deep trench varactors Aug. 30, 2011
7977783 Wafer level chip size package having redistribution layers Jul. 12, 2011
7944019 Voltage-controlled semiconductor inductor and method May. 17, 2011
7906774 Phase change memory device Mar. 15, 2011
7902645 Semiconductor device, semiconductor element, and substrate Mar. 8, 2011
7863683 Fin field effect transistor and method for forming the same Jan. 4, 2011
7863697 Method and apparatus for MEMS oscillator Jan. 4, 2011
7851786 Programmable polyelectrolyte electrical switches Dec. 14, 2010
7847315 High efficiency rectifier Dec. 7, 2010
7825467 Semiconductor component having a drift zone and a drift control zone Nov. 2, 2010
7763954 Post last wiring level inductor using patterned plate process Jul. 27, 2010
7745834 Semiconductor image sensor and method for fabricating the same Jun. 29, 2010
7745905 Semiconductor device and a method of increasing a resistance value of an electric fuse Jun. 29, 2010
7738280 Resistive nonvolatile memory element, and production method of the same Jun. 15, 2010
7728396 Semiconductor structures Jun. 1, 2010
7718480 ESD clamps and NMOS arrays with increased electrical overstress robustness May. 18, 2010
7719076 High-voltage MOS transistor device May. 18, 2010
7671397 Switching element Mar. 2, 2010
7666700 Method for fabrication MEMS-resonator Feb. 23, 2010

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