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Class Information
Number: 257/600
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Voltage variable capacitance device > With physical configuration to vary voltage dependence (e.g., mesa)
Description: Subject matter wherein the device has a physical configuration (e.g., a mesa) to vary the voltage dependency of the capacitance.

Patents under this class:
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Patent Number Title Of Patent Date Issued
8598683 Semiconductor structure having varactor with parallel DC path adjacent thereto Dec. 3, 2013
8564049 Flip chip contact (FCC) power package Oct. 22, 2013
8492823 High performance tapered varactor Jul. 23, 2013
8232624 Semiconductor structure having varactor with parallel DC path adjacent thereto Jul. 31, 2012
8217497 FIN differential MOS varactor diode Jul. 10, 2012
8148800 Nanowire-based semiconductor device and method employing removal of residual carriers Apr. 3, 2012
8008748 Deep trench varactors Aug. 30, 2011
7936034 Mesa structure photon detection circuit May. 3, 2011
7750419 Tuneable electronic devices and electronic arrangements comprising such tuneable devices Jul. 6, 2010
7705428 Varactor Apr. 27, 2010
7696604 Silicon germanium heterostructure barrier varactor Apr. 13, 2010
7667296 Nanowire capacitor and methods of making same Feb. 23, 2010
7640647 Method of assembling a packaged high frequency circuit module Jan. 5, 2010
7560798 High performance tapered varactor Jul. 14, 2009
7521779 Roughened printed circuit board Apr. 21, 2009
7511353 Semiconductor diode and production method suitable therefor Mar. 31, 2009
7474171 Method and apparatus for reducing dielectric charging in MEMS structures Jan. 6, 2009
7423288 Technique for evaluating a fabrication of a die and wafer Sep. 9, 2008
7388247 High precision microelectromechanical capacitor with programmable voltage source Jun. 17, 2008
7385241 Vertical-type capacitor structure Jun. 10, 2008
7294895 Capacitive dynamic quantity sensor and semiconductor device Nov. 13, 2007
7190232 Self-biased active VCO level shifter Mar. 13, 2007
7183628 Structure and method of hyper-abrupt junction varactors Feb. 27, 2007
7141856 Multi-structured Si-fin Nov. 28, 2006
7129563 Method of fabricating a semiconductor device comprising a gate dielectric made of high dielectric permittivity material Oct. 31, 2006
7115971 Nanowire varactor diode and methods of making same Oct. 3, 2006
7067869 Adjustable 3D capacitor Jun. 27, 2006
7053465 Semiconductor varactor with reduced parasitic resistance May. 30, 2006
7030463 Tuneable electromagnetic bandgap structures based on high resistivity silicon substrates Apr. 18, 2006
6936868 Sequential mesa avalanche photodiode capable of realizing high sensitization and method of manufacturing the same Aug. 30, 2005
6882029 Junction varactor with high Q factor and wide tuning range Apr. 19, 2005
6847045 High-current avalanche-tunneling and injection-tunneling semiconductor-dielectric-metal stable cold emitter, which emulates the negative electron affinity mechanism of emission Jan. 25, 2005
6835977 Variable capactor structure Dec. 28, 2004
6825089 Increased quality factor of a varactor in an integrated circuit via a high conductive region in a well Nov. 30, 2004
6787882 Semiconductor varactor diode with doped heterojunction Sep. 7, 2004
6683345 Semiconductor device and method for making the device having an electrically modulated conduction channel Jan. 27, 2004
6667539 Method to increase the tuning voltage range of MOS varactors Dec. 23, 2003
6661069 Micro-electromechanical varactor with enhanced tuning range Dec. 9, 2003
6635919 High Q-large tuning range micro-electro mechanical system (MEMS) varactor for broadband applications Oct. 21, 2003
6583495 Variable capacitor and memory device employing the same Jun. 24, 2003
6489666 Semiconductor device with improved heat suppression in peripheral regions Dec. 3, 2002
6388300 Semiconductor physical quantity sensor and method of manufacturing the same May. 14, 2002
6369671 Voltage controlled transmission line with real-time adaptive control Apr. 9, 2002
6034414 Variable capacitor using resistor generated heat to control dielectric thickness Mar. 7, 2000
6018175 Gapped-plate capacitor Jan. 25, 2000
5773874 Semiconductor device having a mesa structure for surface voltage breakdown Jun. 30, 1998
5747865 Varactor diode controllable by surface layout design May. 5, 1998
5721449 Cam operated inverter bypass safety switch Feb. 24, 1998
5343069 Electronic switch with a definite breakdown voltage Aug. 30, 1994
5270245 Method of forming a light emitting diode Dec. 14, 1993

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