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Class Information
Number: 257/598
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Voltage variable capacitance device > With plural junctions whose depletion regions merge to vary voltage dependence
Description: Subject matter wherein the device has more than one junction with depletion regions that merge to achieve a capacitance that varies with applied voltage.










Patents under this class:

Patent Number Title Of Patent Date Issued
8610243 Metal e-fuse with intermetallic compound programming mechanism and methods of making same Dec. 17, 2013
8450832 Large tuning range junction varactor May. 28, 2013
8188590 Integrated circuit package system with post-passivation interconnection and integration May. 29, 2012
7696604 Silicon germanium heterostructure barrier varactor Apr. 13, 2010
7388276 Metal-insulator varactor devices Jun. 17, 2008
7112835 Semiconductor device including a capacitance Sep. 26, 2006
6943399 Varactor and differential varactor Sep. 13, 2005
6882029 Junction varactor with high Q factor and wide tuning range Apr. 19, 2005
6878983 High performance varactor diodes Apr. 12, 2005
6864528 Integrated, tunable capacitor Mar. 8, 2005
6787882 Semiconductor varactor diode with doped heterojunction Sep. 7, 2004
6667539 Method to increase the tuning voltage range of MOS varactors Dec. 23, 2003
6541814 MOS variable capacitor with controlled dC/dV and voltage drop across W of gate Apr. 1, 2003
6541792 Memory device having dual tunnel junction memory cells Apr. 1, 2003
6400001 Varactor, in particular for radio-frequency transceivers Jun. 4, 2002
6331716 Variable capacity device with quantum-wave interference layers Dec. 18, 2001
6320474 MOS-type capacitor and integrated circuit VCO using same Nov. 20, 2001
6100770 MIS transistor varactor device and oscillator using same Aug. 8, 2000
6037650 Variable capacitance semiconductor device Mar. 14, 2000
5965912 Variable capacitor and method for fabricating the same Oct. 12, 1999
5859469 Use of tungsten filled slots as ground plane in integrated circuit structure Jan. 12, 1999
5789801 Varactor with electrostatic barrier Aug. 4, 1998
5747865 Varactor diode controllable by surface layout design May. 5, 1998
5714797 Variable capacitance semiconductor diode Feb. 3, 1998
5506442 Variable-capacitance device and semiconductor integrated circuit device having such variable-capacitance device Apr. 9, 1996
5475242 Notched insulation gate static induction transistor integrated circuit Dec. 12, 1995
5220193 Variable-capacitance diode device with common electrode Jun. 15, 1993
5136346 Photon stimulated variable capacitance effect devices Aug. 4, 1992
4837607 Large-area, low capacitance semiconductor arrangement Jun. 6, 1989
4630082 Semiconductor device with multi-electrode construction equivalent to variable capacitance diode Dec. 16, 1986
4529995 Variable capacitance device Jul. 16, 1985
4529994 Variable capacitor with single depletion layer Jul. 16, 1985
4456917 Variable capacitor Jun. 26, 1984
4449141 Variable capacitor May. 15, 1984











 
 
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