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Class Information
Number: 257/E29.181
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Semiconductors devices adapted for rectifying, amplifying, oscillating, or switching, capacitors, or resistors with at least one potential-jump barrier or surface barrier (epo) > Types of semiconductor device (epo) > Controllable by only signal applied to control electrode (e.g., base of bipolar transistor, gate of field-effect transistor) (epo) > Bipolar device (epo) > Transistor-type device (i.e., able to continuously respond to applied control signal) > Bipolar junction transistor > Transistors with hook collector (i.e., collector having two layers of opposite conductivity type (e.g., scr)) (epo)
Description: This subclass is indented under subclass E29.174. This subclass is substantially the same in scope as ECLA classification H01L29/73J.










Patents under this class:

Patent Number Title Of Patent Date Issued
8710544 Isolated SCR ESD device Apr. 29, 2014
8692290 Silicon controlled rectifier structure with improved junction breakdown and leakage control Apr. 8, 2014
8686510 ESD protection element and ESD protection device for use in an electrical circuit Apr. 1, 2014
8674400 Stress enhanced junction engineering for latchup SCR Mar. 18, 2014
8653557 High holding voltage electrostatic discharge (ESD) device Feb. 18, 2014
8648386 Semiconductor structure and manufacturing method for the same and ESD circuit Feb. 11, 2014
8569867 Semiconductor device Oct. 29, 2013
8476672 Electrostatic discharge protection device and method for fabricating the same Jul. 2, 2013
8471292 Semiconductor ESD device and method of making same Jun. 25, 2013
8455949 ESD protection element and ESD protection device for use in an electrical circuit Jun. 4, 2013
8399964 Multilayer structures for magnetic shielding Mar. 19, 2013
8390124 Semiconductor device and method of manufacturing semiconductor device including wiring via and switch via for connecting first and second wirings Mar. 5, 2013
8377754 Stress enhanced junction engineering for latchup SCR Feb. 19, 2013
8373267 Electrostatic discharge (ESD) silicon controlled rectifier (SCR) structure Feb. 12, 2013
8357952 Power semiconductor structure with field effect rectifier and fabrication method thereof Jan. 22, 2013
8324658 ESD protection circuit for RFID tag Dec. 4, 2012
8299533 Vertical NPNP structure in a triple well CMOS process Oct. 30, 2012
8278684 Voltage protection device Oct. 2, 2012
8247839 ESD protection device with increased holding voltage during normal operation Aug. 21, 2012
8178897 Semiconductor ESD device and method of making same May. 15, 2012
8159026 Lateral high-voltage semiconductor devices with majorities of both types for conduction Apr. 17, 2012
8129788 Capacitor triggered silicon controlled rectifier Mar. 6, 2012
8039868 Structure and method for an electrostatic discharge (ESD) silicon controlled rectifier (SCR) structure Oct. 18, 2011
7973334 Localized trigger ESD protection device Jul. 5, 2011
7919817 Electrostatic discharge (ESD) protection applying high voltage lightly doped drain (LDD) CMOS technologies Apr. 5, 2011
7834400 Semiconductor structure for protecting an internal integrated circuit and method for manufacturing the same Nov. 16, 2010
7825429 Tunable voltage isolation ground to ground ESD clamp Nov. 2, 2010
7800127 ESD protection device with controllable triggering characteristics using driver circuit related to power supply Sep. 21, 2010
7800128 Semiconductor ESD device and method of making same Sep. 21, 2010
7795708 Multilayer structures for magnetic shielding Sep. 14, 2010
7795637 ESD protection circuit Sep. 14, 2010
7705367 Pinned photodiode sensor with gate-controlled silicon-controlled rectifier transfer switch and method of formation Apr. 27, 2010
7659558 Silicon controlled rectifier electrostatic discharge clamp for a high voltage laterally diffused MOS transistor Feb. 9, 2010
7633096 Silicon-controlled rectifier for electrostatic discharge protection circuits and structure thereof Dec. 15, 2009
7601991 On-chip structure for electrostatic discharge (ESD) protection Oct. 13, 2009
7589359 Silicon controlled rectifier Sep. 15, 2009
7352014 Semiconductor device based on a SCR Apr. 1, 2008
7309896 Electrostatic discharge protection device Dec. 18, 2007
7238969 Semiconductor layout structure for ESD protection circuits Jul. 3, 2007
7202114 On-chip structure for electrostatic discharge (ESD) protection Apr. 10, 2007











 
 
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