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Class Information
Number: 257/599
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Voltage variable capacitance device > With means to increase active junction area (e.g., grooved or convoluted surface)
Description: Subject matter wherein the device is provided with an increased active junction area (e.g., grooves or a convoluted surface to increase the active junction area).










Patents under this class:

Patent Number Title Of Patent Date Issued
8492823 High performance tapered varactor Jul. 23, 2013
8471363 Semiconductor device and method of manufacturing the same Jun. 25, 2013
8217497 FIN differential MOS varactor diode Jul. 10, 2012
7994563 MOS varactors with large tuning range Aug. 9, 2011
7989302 Methods of forming a hyper-abrupt P-N junction and design structures for an integrated circuit Aug. 2, 2011
7989922 Highly tunable metal-on-semiconductor trench varactor Aug. 2, 2011
7910941 Light-emitting diode apparatus and manufacturing method thereof Mar. 22, 2011
7804119 Device structures with a hyper-abrupt P-N junction, methods of forming a hyper-abrupt P-N junction, and design structures for an integrated circuit Sep. 28, 2010
7696604 Silicon germanium heterostructure barrier varactor Apr. 13, 2010
7560798 High performance tapered varactor Jul. 14, 2009
7304358 MOS transistor with a deformable gate Dec. 4, 2007
7157766 Variable capactor structure and method of manufacture Jan. 2, 2007
7141864 Grouped capacitive element Nov. 28, 2006
7060610 Method for forming contact in semiconductor device Jun. 13, 2006
6933796 Voltage controlled oscillating circuit Aug. 23, 2005
6882029 Junction varactor with high Q factor and wide tuning range Apr. 19, 2005
6855596 Method for manufacturing a trench capacitor having an isolation trench Feb. 15, 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
6703681 Variable-capacitance capacitor Mar. 9, 2004
6661069 Micro-electromechanical varactor with enhanced tuning range Dec. 9, 2003
6489666 Semiconductor device with improved heat suppression in peripheral regions Dec. 3, 2002
6369671 Voltage controlled transmission line with real-time adaptive control Apr. 9, 2002
6316819 Multilayer ZnO polycrystalline diode Nov. 13, 2001
6018175 Gapped-plate capacitor Jan. 25, 2000
5747865 Varactor diode controllable by surface layout design May. 5, 1998
5663584 Schottky barrier MOSFET systems and fabrication thereof Sep. 2, 1997
4694561 Method of making high-performance trench capacitors for DRAM cells Sep. 22, 1987
4675624 Electrical phase shifter controlled by light Jun. 23, 1987
4663648 Three dimensional structures of active and passive semiconductor components May. 5, 1987
4427457 Method of making depthwise-oriented integrated circuit capacitors Jan. 24, 1984
4397075 FET Memory cell structure and process Aug. 9, 1983
4371847 Data transmission link Feb. 1, 1983
4272882 Method of laying out an integrated circuit with specific alignment of the collector contact with the emitter region Jun. 16, 1981
3969750 Diffused junction capacitor and process for producing the same Jul. 13, 1976
3962713 Large value capacitor Jun. 8, 1976











 
 
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