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Class Information
Number: 257/127
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Regenerative type switching device (e.g., scr, comfet, thyristor) > Bidirectional rectifier with control electrode (gate) (e.g., triac) > With means to separate a device into sections having different conductive polarity > Guard ring or groove
Description: Subject matter wherein the means to separate portions of the device having different conductive polarity is or includes a groove, or a guard ring, i.e., a pn junction region in the body of the device located and/or configured to reduce electric field strength at a given applied voltage.

Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8710590 Electronic component and a system and method for producing an electronic component Apr. 29, 2014
8686508 Structures, methods and applications for electrical pulse anneal processes Apr. 1, 2014
8686515 Double-groove bidirectional vertical component Apr. 1, 2014
8674401 Deep diffused thin photodiodes Mar. 18, 2014
8664691 Silicon photomultiplier with trench isolation Mar. 4, 2014
8643104 Lateral diffusion metal oxide semiconductor transistor structure Feb. 4, 2014
8633595 Semiconductor device having groove-shaped via-hole Jan. 21, 2014
8633543 Electro-static discharge protection circuit and semiconductor device Jan. 21, 2014
8633594 Semiconductor device having groove-shaped via-hole Jan. 21, 2014
8598620 MOSFET with integrated field effect rectifier Dec. 3, 2013
8587023 Guard rings with local coupling capacitance Nov. 19, 2013
8525273 Integrated circuit devices including device isolation structures and methods of fabricating the same Sep. 3, 2013
8513089 Discontinuous thin semiconductor wafer surface features Aug. 20, 2013
8445994 Discontinuous thin semiconductor wafer surface features May. 21, 2013
8421118 Regenerative building block and diode bridge rectifier and methods Apr. 16, 2013
8274080 Semiconductor wafer including guard ring patterns and process monitoring patterns Sep. 25, 2012
8198651 Electro static discharge protection device Jun. 12, 2012
8174046 Reducing effects of parasitic transistors in thyristor-based memory using local thinning or implanting May. 8, 2012
8148748 Adjustable field effect rectifier Apr. 3, 2012
8084815 Superjunction semiconductor device Dec. 27, 2011
8008121 Semiconductor package and method of mounting semiconductor die to opposite sides of TSV substrate Aug. 30, 2011
8008733 Semiconductor device having a power cutoff transistor Aug. 30, 2011
8008734 Power semiconductor device Aug. 30, 2011
7999284 Semiconductor device and optical device module having the same Aug. 16, 2011
7968976 Guard ring extension to prevent reliability failures Jun. 28, 2011
7893459 Seal ring structures with reduced moisture-induced reliability degradation Feb. 22, 2011
7834351 Semiconductor device Nov. 16, 2010
7777248 Semiconductor device for latch-up prevention Aug. 17, 2010
7763916 Substrate table Jul. 27, 2010
7759173 Methods for charge dissipation in integrated circuits Jul. 20, 2010
7759734 Semiconductor device Jul. 20, 2010
7705462 Semiconductor device and a method of manufacturing the same Apr. 27, 2010
7692210 Intermeshed guard bands for multiple voltage supply structures on an integrated circuit, and methods of making same Apr. 6, 2010
7667242 Systems and methods for maximizing breakdown voltage in semiconductor devices Feb. 23, 2010
7663159 Seal ring corner design Feb. 16, 2010
7649213 Semiconductor device Jan. 19, 2010
7612371 Structure to monitor arcing in the processing steps of metal layer build on silicon-on-insulator semiconductors Nov. 3, 2009
7582918 Semiconductor device with enhanced breakdown voltage Sep. 1, 2009
7576369 Deep diffused thin photodiodes Aug. 18, 2009
7566914 Devices with adjustable dual-polarity trigger- and holding-voltage/current for high level of electrostatic discharge protection in sub-micron mixed signal CMOS/BiCMOS integrated circuits Jul. 28, 2009
7566915 Guard ring extension to prevent reliability failures Jul. 28, 2009
7554131 Chip embedded package structure and fabrication method thereof Jun. 30, 2009
7538346 Semiconductor device May. 26, 2009
7525178 Semiconductor device with capacitively coupled field plate Apr. 28, 2009
7517762 Semiconductor device capable of preventing moisture-absorption of fuse area thereof and method for manufacturing the fuse area Apr. 14, 2009
7408206 Method and structure for charge dissipation in integrated circuits Aug. 5, 2008
7409660 Method and end cell library for avoiding substrate noise in an integrated circuit Aug. 5, 2008
7391093 Semiconductor device with a guard-ring structure and a field plate formed of polycrystalline silicon film embedded in an insulating film Jun. 24, 2008
7329894 Semiconductor laser device and semiconductor optical modulator Feb. 12, 2008
7326974 Sensor for measuring a gas concentration or ion concentration Feb. 5, 2008

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