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Class Information
Number: 257/213
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Field effect device
Description: Subject matter comprising a field effect transistor, in which the density of electrical charge (electrons or holes) in a semiconductor region is controlled by a voltage applied to an adjacent region or electrode which in operation is prevented from conducting direct electrical current to or from the semiconductor region by an insulator or barrier region.


Sub-classes under this class:

Class Number Class Name Patents
257/214 Charge injection device 86
257/215 Charge transfer device 190
257/288 Having insulated electrode (e.g., mosfet, mos diode) 935
257/256 Junction field effect transistor (unipolar transistor) 136
257/252 Responsive to non-optical, non-electrical signal 119
257/255 With current flow along specified crystal axis (e.g., axis of maximum carrier mobility) 47


Patents under this class:
1 2 3 4 5 6 7

Patent Number Title Of Patent Date Issued
7615807 Field-effect transistor structures with gate electrodes with a metal layer Nov. 10, 2009
7616120 Multiple RF-port modulator for RFID tag Nov. 10, 2009
7615418 High performance stress-enhance MOSFET and method of manufacture Nov. 10, 2009
7612372 Method and system for laser thermal processing of semiconductor devices Nov. 3, 2009
7612412 Semiconductor device and boost circuit Nov. 3, 2009
7608489 High performance stress-enhance MOSFET and method of manufacture Oct. 27, 2009
7605410 Semiconductor device and manufacturing method thereof Oct. 20, 2009
7601995 Integrated circuit having resistive memory cells Oct. 13, 2009
7601996 Semiconductor device and manufacturing method thereof Oct. 13, 2009
7598544 Hybrid carbon nanotude FET(CNFET)-FET static RAM (SRAM) and method of making same Oct. 6, 2009
7598597 Segmented magnetic shielding elements Oct. 6, 2009
7582550 Semiconductor memory device and manufacturing method thereof Sep. 1, 2009
7576355 Electronic device, field effect transistor including the electronic device, and method of manufacturing the electronic device and the field effect transistor Aug. 18, 2009
7569848 Mobility enhanced CMOS devices Aug. 4, 2009
7569850 Lipid bilayers on nano-templates Aug. 4, 2009
7560757 Semiconductor device with a structure suitable for miniaturization Jul. 14, 2009
7560753 Field effect transistor with thin gate electrode and method of fabricating same Jul. 14, 2009
7556990 CMOS image sensor having improved signal efficiency and method for manufacturing the same Jul. 7, 2009
7557512 Organic electroluminescent device and driving apparatus Jul. 7, 2009
7553722 Semiconductor device and method for manufacturing the same Jun. 30, 2009
7550791 Transistor and its method of manufacture Jun. 23, 2009
7547930 High performance FET devices and methods thereof Jun. 16, 2009
7544978 Lipid nanotube or nanowire sensor Jun. 9, 2009
7544552 Method for manufacturing junction semiconductor device Jun. 9, 2009
7541626 High K-gate oxide TFTs built on transparent glass or transparent flexible polymer substrate Jun. 2, 2009
7538383 Two-bit memory cell having conductive charge storage segments and method for fabricating same May. 26, 2009
7525118 Test element group, method of manufacturing a test element group, method of testing a semiconductor device, and semiconductor device Apr. 28, 2009
7525133 Trench-gate MOS transistor composed of multiple conductors Apr. 28, 2009
7514325 Fin-FET having GAA structure and methods of fabricating the same Apr. 7, 2009
7514747 Silicon-on-insulator semiconductor device Apr. 7, 2009
7511319 Methods and apparatus for a stepped-drift MOSFET Mar. 31, 2009
7508039 Carbon nanotube (CNT) multiplexers, circuits, and actuators Mar. 24, 2009
7504674 Electronic apparatus having a core conductive structure within an insulating layer Mar. 17, 2009
7501672 Method and structure for a self-aligned silicided word line and polysilicon plug during the formation of a semiconductor device Mar. 10, 2009
7494856 Semiconductor fabrication process using etch stop layer to optimize formation of source/drain stressor Feb. 24, 2009
7485932 ACCUFET with Schottky source contact Feb. 3, 2009
7482670 Enhancing strained device performance by use of multi narrow section layout Jan. 27, 2009
7479667 Semiconductor device with modified mobility and thin film transistor having the same Jan. 20, 2009
7476916 Semiconductor device having a mis-type fet, and methods for manufacturing the same and forming a metal oxide film Jan. 13, 2009
7473943 Gate configuration for nanowire electronic devices Jan. 6, 2009
7465989 High withstand voltage trenched MOS transistor and manufacturing method thereof Dec. 16, 2008
7465976 Tunneling field effect transistor using angled implants for forming asymmetric source/drain regions Dec. 16, 2008
7465953 Positioning of nanoparticles and fabrication of single election devices Dec. 16, 2008
RE40602 Semiconductor device having a ferroelectric TFT and a dummy element Dec. 9, 2008
7459732 Gas-sensitive field-effect transistor with air gap Dec. 2, 2008
7449734 Junction semiconductor device and method for manufacturing the same Nov. 11, 2008
7449735 Dual work-function single gate stack Nov. 11, 2008
7439565 Active devices array substrate and repairing method thereof Oct. 21, 2008
7439560 Semiconductor device using semiconductor nanowire and display apparatus and image pick-up apparatus using the same Oct. 21, 2008
7436384 Data driving apparatus and method for liquid crystal display Oct. 14, 2008

1 2 3 4 5 6 7


 
 
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