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Class Information
Number: 257/E29.166
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)
Description: This subclass is indented under subclass E29.001. This subclass is substantially the same in scope as ECLA classification H01L29/66.










Sub-classes under this class:

Class Number Class Name Patents
257/E29.169 Controllable by only signal applied to control electrode (e.g., base of bipolar transistor, gate of field-effect transistor) (epo) 19
257/E29.167 Controllable by plural effects that include variations in magnetic field, mechanical force, or electric current/potential applied to device or one or more electrodes of device (epo) 66
257/E29.347 Controllable by thermal signal (e.g., ir) (epo) 45
257/E29.324 Controllable by variation of applied mechanical force (e.g., of pressure) (epo) 441
257/E29.323 Controllable by variation of magnetic field applied to device (epo) 295
257/E29.325 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) 87
257/E29.168 Quantum effect device (epo) 124


Patents under this class:
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Patent Number Title Of Patent Date Issued
8674448 Trigate static random-access memory with independent source and drain engineering, and devices made therefrom Mar. 18, 2014
8624299 Stacked bit line dual word line nonvolatile memory Jan. 7, 2014
8618629 Apparatus and method for through silicon via impedance matching Dec. 31, 2013
8604588 Semiconductor device and semiconductor device fabrication Dec. 10, 2013
8598659 Single finger gate transistor Dec. 3, 2013
8592942 Non-volatile semiconductor memory device Nov. 26, 2013
8580584 System and method for increasing productivity of organic light emitting diode material screening Nov. 12, 2013
8581251 Device for protecting an electronic integrated circuit housing against physical or chemical ingression Nov. 12, 2013
8581263 Laser-induced flaw formation in nitride semiconductors Nov. 12, 2013
8575597 Liquid metal contact as possible element for thermotunneling Nov. 5, 2013
8558370 Semiconductor device with antenna Oct. 15, 2013
8536564 Integrated field emission array for ion desorption Sep. 17, 2013
8519447 Ion sensitive sensor with multilayer construction in the sensor region Aug. 27, 2013
8519489 Method and apparatus for tunable electrical conductivity Aug. 27, 2013
8513745 MEMS switch and fabrication method Aug. 20, 2013
8492744 Semiconducting microcavity and microchannel plasma devices Jul. 23, 2013
8487385 Uncooled IR detector arrays based on nanoelectromechanical systems Jul. 16, 2013
8470676 Programmable element, and memory device or logic circuit Jun. 25, 2013
8471249 Carbon field effect transistors having charged monolayers to reduce parasitic resistance Jun. 25, 2013
8466512 Semiconductor device and production method thereof Jun. 18, 2013
8461587 Ion-sensitive sensor with multilayer construction in the sensitive region Jun. 11, 2013
8455927 One-transistor pixel array with cascoded column circuit Jun. 4, 2013
8450183 Power semiconductor device and method of manufacturing the same May. 28, 2013
8441080 Sensing device May. 14, 2013
8426928 Device with microstructure and method of forming such a device Apr. 23, 2013
8415166 Semiconductor detector for peroxide-based explosives Apr. 9, 2013
8395230 Semiconductor device and method of manufacturing the same Mar. 12, 2013
8373206 Biosensor apparatuses and methods thereof Feb. 12, 2013
8361871 Trigate static random-access memory with independent source and drain engineering, and devices made therefrom Jan. 29, 2013
8338891 Arrangement of MOSFET's for controlling same Dec. 25, 2012
8314466 Silicon structure, method for manufacturing the same, and sensor chip Nov. 20, 2012
8309945 Programmable metallization memory cell with planarized silver electrode Nov. 13, 2012
8298837 System and method for increasing productivity of organic light emitting diode material screening Oct. 30, 2012
8299454 Nano line structures in microelectronic devices Oct. 30, 2012
8269210 Cathode assembly containing an ultraviolet light-blocking dielectric layer Sep. 18, 2012
8253183 Charge trapping nonvolatile memory devices with a high-K blocking insulation layer Aug. 28, 2012
8237203 Semiconductor device Aug. 7, 2012
8227880 Semiconductor device and manufacturing method thereof Jul. 24, 2012
8174124 Dummy pattern in wafer backside routing May. 8, 2012
8143689 Sensor device Mar. 27, 2012
8138520 Bi-directional diode structure Mar. 20, 2012
8134404 Semiconductor device that degrades leak current of a transistor Mar. 13, 2012
8134187 Integrated mask-programmable logic devices with multiple metal levels and manufacturing process thereof Mar. 13, 2012
8134138 Programmable metallization memory cell with planarized silver electrode Mar. 13, 2012
8101969 Bi-directional transistor with by-pass path and method therefor Jan. 24, 2012
8053813 Semiconductor device and layout method thereof Nov. 8, 2011
8035191 Contact efuse structure Oct. 11, 2011
8008723 Semiconductor device including a plurality of diffusion layers and diffusion resistance layer Aug. 30, 2011
7985989 Stacked bit line dual word line nonvolatile memory Jul. 26, 2011
7982278 Thermoelectric module Jul. 19, 2011

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