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Class Information
Number: 257/175
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Regenerative type switching device (e.g., scr, comfet, thyristor) > With means to control triggering (e.g., gate electrode configuration, zener diode firing, dv/dt control, transient control by ferrite bead, etc.)
Description: Subject matter wherein the regenerative active junction type switching device includes means for controlling device turn-on.

Sub-classes under this class:

Class Number Class Name Patents
257/176 Located in an emitter-gate region 16

Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8653510 Enhanced E-field sensing using negative capacitance FET subthreshold slope enhancement Feb. 18, 2014
8575695 Lateral super junction device with high substrate-drain breakdown and built-in avalanche clamp diode Nov. 5, 2013
8569867 Semiconductor device Oct. 29, 2013
8492866 Isolated Zener diode Jul. 23, 2013
8455919 High density thyristor random access memory device and method Jun. 4, 2013
8405123 Split-gate ESD diodes with elevated voltage tolerance Mar. 26, 2013
8390024 Electrostatic discharge (ESD) protection circuit Mar. 5, 2013
8384127 Bi-directional ESD protection circuit Feb. 26, 2013
8253165 Structures for lowering trigger voltage in an electrostatic discharge protection device Aug. 28, 2012
8217421 ESD protection device with vertical transistor structure Jul. 10, 2012
8198703 Zener diode with reduced substrate current Jun. 12, 2012
8119487 Semiconductor device and method for fabricating the same Feb. 21, 2012
8034716 Semiconductor structures including vertical diode structures and methods for making the same Oct. 11, 2011
7910951 Low side zener reference voltage extended drain SCR clamps Mar. 22, 2011
7902570 Apparatus comprising a single photon photodetector having reduced afterpulsing and method therefor Mar. 8, 2011
7834378 SCR controlled by the power bias Nov. 16, 2010
7804671 Electrostatic discharge protection circuit Sep. 28, 2010
7791102 Electrostatic discharge protection devices and methods for protecting semiconductor devices against electrostatic discharge events Sep. 7, 2010
7763940 Device having a low-voltage trigger element Jul. 27, 2010
7732817 Pattern formed structure, method of forming pattern, device, electrooptical device and electronic equipment Jun. 8, 2010
7719026 Un-assisted, low-trigger and high-holding voltage SCR May. 18, 2010
7714355 Method of controlling the breakdown voltage of BSCRs and BJT clamps May. 11, 2010
7705368 Insulated gate type thyristor Apr. 27, 2010
7666787 Grain growth promotion layer for semiconductor interconnect structures Feb. 23, 2010
7667241 Electrostatic discharge protection device Feb. 23, 2010
7652308 Semiconductor device having gate-all-around structure and method of fabricating the same Jan. 26, 2010
7638857 Structure of silicon controlled rectifier Dec. 29, 2009
7626193 Apparatus comprising a single photon photodetector having reduced afterpulsing and method therefor Dec. 1, 2009
7612431 Trench polysilicon diode Nov. 3, 2009
7542258 DV/dt-detecting overcurrent protection circuit for power supply Jun. 2, 2009
7511357 Trenched MOSFETs with improved gate-drain (GD) clamp diodes Mar. 31, 2009
7417282 Vertical double-diffused metal oxide semiconductor (VDMOS) device incorporating reverse diode Aug. 26, 2008
7381998 Semiconductor integrated circuit device Jun. 3, 2008
7285805 Low reference voltage ESD protection device Oct. 23, 2007
7262442 Triac operating in quadrants Q1 and Q4 Aug. 28, 2007
7205583 Thyristor and method of manufacture Apr. 17, 2007
7112828 Semiconductor device Sep. 26, 2006
6987290 Current-jump-control circuit including abrupt metal-insulator phase transition device Jan. 17, 2006
6965129 Thyristor-based device having dual control ports Nov. 15, 2005
6963088 Semiconductor component Nov. 8, 2005
6953953 Deep trench isolation for thyristor-based semiconductor device Oct. 11, 2005
6921931 Electrostatic discharge protection element Jul. 26, 2005
6921930 Pulse-controlled bistable bidirectional electronic switch Jul. 26, 2005
6897543 Electrically-programmable integrated circuit antifuses May. 24, 2005
6897492 Power device with bi-directional level shift circuit May. 24, 2005
6838708 I/O cell and ESD protection circuit Jan. 4, 2005
6806516 Semiconductor device and system Oct. 19, 2004
6803633 Electrostatic discharge protection structures having high holding current for latch-up immunity Oct. 12, 2004
6791161 Precision Zener diodes Sep. 14, 2004
6791146 Silicon controlled rectifier structure with guard ring controlled circuit Sep. 14, 2004

1 2 3 4

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