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Class Information
Number: 257/595
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Voltage variable capacitance device
Description: Subject matter wherein the active solid-state device has a capacitance which varies with the voltage applied thereto.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7388275 |
Electronic package with integrated capacitor |
Jun. 17, 2008 |
| 7388247 |
High precision microelectromechanical capacitor with programmable voltage source |
Jun. 17, 2008 |
| 7388276 |
Metal-insulator varactor devices |
Jun. 17, 2008 |
| 7345354 |
Increased quality factor of a varactor in an integrated circuit via a high conductive region in a well |
Mar. 18, 2008 |
| 7335956 |
Capacitor device with vertically arranged capacitor regions of various kinds |
Feb. 26, 2008 |
| 7301213 |
Acoustic sensor |
Nov. 27, 2007 |
| 7294895 |
Capacitive dynamic quantity sensor and semiconductor device |
Nov. 13, 2007 |
| 7235862 |
Gate-enhanced junction varactor |
Jun. 26, 2007 |
| 7223667 |
Compensated linearity voltage-control-capacitor device by standard CMOS process |
May. 29, 2007 |
| 7202567 |
Semiconductor device and manufacturing method for the same |
Apr. 10, 2007 |
| 7190232 |
Self-biased active VCO level shifter |
Mar. 13, 2007 |
| 7183628 |
Structure and method of hyper-abrupt junction varactors |
Feb. 27, 2007 |
| 7173316 |
Semiconductor device |
Feb. 6, 2007 |
| 7126152 |
Storage device |
Oct. 24, 2006 |
| 7112835 |
Semiconductor device including a capacitance |
Sep. 26, 2006 |
| 7081663 |
Gate-enhanced junction varactor with gradual capacitance variation |
Jul. 25, 2006 |
| 7078787 |
Design and operation of gate-enhanced junction varactor with gradual capacitance variation |
Jul. 18, 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 |
| 7023038 |
Silicon barrier capacitor device structure |
Apr. 4, 2006 |
| 7019384 |
Integrated, tunable capacitance device |
Mar. 28, 2006 |
| 7009276 |
Thin film capacitor, thin film capacitor array and electronic component |
Mar. 7, 2006 |
| 6995068 |
Double-implant high performance varactor and method for manufacturing same |
Feb. 7, 2006 |
| 6970055 |
Tunable planar capacitor |
Nov. 29, 2005 |
| 6949815 |
Semiconductor device with decoupling capacitors mounted on conductors |
Sep. 27, 2005 |
| 6946374 |
Methods of manufacturing flash memory semiconductor devices |
Sep. 20, 2005 |
| 6943399 |
Varactor and differential varactor |
Sep. 13, 2005 |
| 6933796 |
Voltage controlled oscillating circuit |
Aug. 23, 2005 |
| 6927644 |
Low-loss tunable ferro-electric device and method of characterization |
Aug. 9, 2005 |
| 6897537 |
Micro-electro-mechanical system (MEMS) variable capacitor apparatuses and related methods |
May. 24, 2005 |
| 6891251 |
Varactors for CMOS and BiCMOS technologies |
May. 10, 2005 |
| 6882029 |
Junction varactor with high Q factor and wide tuning range |
Apr. 19, 2005 |
| 6878983 |
High performance varactor diodes |
Apr. 12, 2005 |
| 6858918 |
Semiconductor device including a capacitance |
Feb. 22, 2005 |
| 6835977 |
Variable capactor structure |
Dec. 28, 2004 |
| 6825546 |
CMOS varactor with constant dC/dV characteristic |
Nov. 30, 2004 |
| 6825089 |
Increased quality factor of a varactor in an integrated circuit via a high conductive region in a well |
Nov. 30, 2004 |
| 6818959 |
MEMS devices with voltage driven flexible elements |
Nov. 16, 2004 |
| 6794707 |
Variable capacitor using MOS gated diode with multiple segments to limit DC current |
Sep. 21, 2004 |
| 6787882 |
Semiconductor varactor diode with doped heterojunction |
Sep. 7, 2004 |
| 6762481 |
Electrically programmable nonvolatile variable capacitor |
Jul. 13, 2004 |
| 6737930 |
Tunable planar capacitor |
May. 18, 2004 |
| 6737929 |
Hybrid n+ and p+ gate-doped voltage variable capacitors to improve linear tuning range in voltage controlled oscillators |
May. 18, 2004 |
| 6727535 |
Ferroelectric varactor with built-in DC blocks |
Apr. 27, 2004 |
| 6703681 |
Variable-capacitance capacitor |
Mar. 9, 2004 |
| 6686817 |
Electronic tunable filters with dielectric varactors |
Feb. 3, 2004 |
| 6686640 |
Varactor having improved Q-factor and method of fabricating the same using SiGe heterojunction bipolar transistor |
Feb. 3, 2004 |
| 6674116 |
Variable capacitor using MOS gated diode with multiple segments to limit DC current |
Jan. 6, 2004 |
| 6667539 |
Method to increase the tuning voltage range of MOS varactors |
Dec. 23, 2003 |
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