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Class Information
Number: 257/E29.327
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 only by variation of electric current supplied or only electric potential applied to electrode carrying current to be rectified, amplified, oscillated, or switched (epo) > Diode (epo)
Description: This subclass is indented under subclass E29.325. This subclass is substantially the same in scope as ECLA classification H01L29/861.










Sub-classes under this class:

Class Number Class Name Patents
257/E29.335 Avalanche diode (e.g., zener diode) (epo) 179
257/E29.331 Charge trapping diode (epo) 37
257/E29.33 Hi-lo semiconductor device (e.g., memory device) (epo) 52
257/E29.329 Mesa pn junction diode (epo) 39
257/E29.336 Pin diode (epo) 166
257/E29.328 Planar pn junction diode (epo) 128
257/E29.333 Point contact diode (epo) 4
257/E29.332 Punchthrough diode (i.e., with bulk potential barrier (e.g., camel diode, planar doped barrier diode, graded bandgap diode)) (epo) 40
257/E29.338 Schottky diode (epo) 448
257/E29.337 Thyristor diode (i.e., having only two terminals and no control electrode (e.g., shockley diode, break-over diode)) (epo) 123
257/E29.334 Transit-time diode (e.g., impatt, trapatt diode) (epo) 67
257/E29.339 Tunneling diode (epo) 59


Patents under this class:
1 2 3 4 5 6 7

Patent Number Title Of Patent Date Issued
8686470 ESD protection circuit Apr. 1, 2014
8669554 Fast recovery reduced p-n junction rectifier Mar. 11, 2014
8664699 Methods and devices for fabricating and assembling printable semiconductor elements Mar. 4, 2014
8643085 High-voltage-resistant semiconductor component having vertically conductive semiconductor body areas and a trench structure Feb. 4, 2014
8610241 Homo-junction diode structures using fin field effect transistor processing Dec. 17, 2013
8581367 Semiconductor device having electrode film in which film thickness of periphery is thinner than film thickness of center Nov. 12, 2013
8581242 Apparatus combining bypass diode and wire Nov. 12, 2013
8552530 Vertical transient voltage suppressors Oct. 8, 2013
8531005 Devices with zener triggered ESD protection Sep. 10, 2013
8476736 Low leakage diodes Jul. 2, 2013
8476721 Magnet-assisted transistor devices Jul. 2, 2013
8436337 Amorphous multi-component metallic thin films for electronic devices May. 7, 2013
8421087 Semiconductor module including a switch and non-central diode Apr. 16, 2013
8415773 Semiconductor component with buffer layer Apr. 9, 2013
8384186 Power semiconductor device with new guard ring termination design and method for producing same Feb. 26, 2013
8377757 Device and method for transient voltage suppressor Feb. 19, 2013
8378382 High aspect-ratio PN-junction and method for manufacturing the same Feb. 19, 2013
8373253 Semiconductor structure Feb. 12, 2013
8368178 Phase change memory apparatus and fabrication method thereof Feb. 5, 2013
8350289 Semiconductor device Jan. 8, 2013
8304827 Semiconductor device having on a substrate a diode formed by making use of a DMOS structure Nov. 6, 2012
8304856 Semiconductor device Nov. 6, 2012
8294174 Light-emitting device Oct. 23, 2012
8294210 High voltage channel diode Oct. 23, 2012
8264000 Semiconductor device with a protection diode Sep. 11, 2012
8227834 Semiconductor device Jul. 24, 2012
8212327 High fill-factor laser-treated semiconductor device on bulk material with single side contact scheme Jul. 3, 2012
8212232 Resistance changing device and method for fabricating the same Jul. 3, 2012
8203875 Anti-parallel diode structure and method of fabrication Jun. 19, 2012
8178431 Process for producing a PN homojunction in a nanostructure May. 15, 2012
8178864 Asymmetric barrier diode May. 15, 2012
8169000 Lateral transient voltage suppressor with ultra low capacitance May. 1, 2012
8168985 Semiconductor module including a switch and non-central diode May. 1, 2012
8120134 High-performance diode device structure and materials used for the same Feb. 21, 2012
8110876 System for ESD protection with extra headroom in relatively low supply voltage integrated circuits Feb. 7, 2012
8106460 Insulated gate semiconductor device Jan. 31, 2012
8089137 Integrated circuit memory with single crystal silicon on silicide driver and manufacturing method Jan. 3, 2012
8053776 Vertical diode and method for manufacturing same and semiconductor memory device Nov. 8, 2011
8034716 Semiconductor structures including vertical diode structures and methods for making the same Oct. 11, 2011
8013385 Semiconductor device Sep. 6, 2011
7999266 Semiconductor device including poly-Si and method of manufacturing the same Aug. 16, 2011
7994512 Gallium nitride based diodes with low forward voltage and low reverse current operation Aug. 9, 2011
7989791 Diode structure and memory device including the same Aug. 2, 2011
7960754 Diode having high breakdown voltage and low on-resistance Jun. 14, 2011
7944019 Voltage-controlled semiconductor inductor and method May. 17, 2011
7943928 ESD protection structures for semiconductor components May. 17, 2011
7943471 Diode with asymmetric silicon germanium anode May. 17, 2011
7911021 Edge termination for semiconductor devices Mar. 22, 2011
7911833 Anti-parallel diode structure and method of fabrication Mar. 22, 2011
7893442 Schottky diode having low breakdown voltage and method for fabricating the same Feb. 22, 2011

1 2 3 4 5 6 7










 
 
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