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Class Information
Number: 257/E21.361
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Processes or apparatus adapted for manufacture or treatment of semiconductor or solid-state devices or of parts thereof (epo) > Manufacture or treatment of semiconductor device (epo) > Device having at least one potential-jump barrier or surface barrier, e.g., pn junction, depletion layer, carrier concentration layer (epo) > Device having semiconductor body comprising group iv elements or group iii-v compounds with or without impurities, e.g., doping materials (epo) > Multi-step process for manufacture of device of bipolar type, e.g., diodes, transistors, thyristors, resistors, capacitors) (epo) > Device comprising one or two electrodes, e.g., diode, resistor or capacitor with pn or schottky junctions (epo) > Diode (epo) > Multi-layer diode, e.g., pnpn or npnp diode (epo)
Description: This subclass is indented under subclass E21.352. This subclass is substantially the same in scope as ECLA classification H01L21/329B8.










Patents under this class:

Patent Number Title Of Patent Date Issued
8686515 Double-groove bidirectional vertical component Apr. 1, 2014
8629467 Semiconductor device Jan. 14, 2014
8587094 Semiconductor device using a compound semiconductor subtrate Nov. 19, 2013
8441104 Electrical overstress protection using through-silicon-via (TSV) May. 14, 2013
8420496 Semiconductor device and method of fabricating the same Apr. 16, 2013
8415685 Light-emitting element, light-emitting apparatus, display, and electronic device Apr. 9, 2013
8389354 Trenched MOSFETS with improved gate-drain (GD) clamp diodes Mar. 5, 2013
8362553 Multifunctional tape Jan. 29, 2013
8330198 Device for preventing current-leakage Dec. 11, 2012
8314422 Light emitting device, light emitting device package and lighting system Nov. 20, 2012
8304856 Semiconductor device Nov. 6, 2012
8222651 Semiconductor device Jul. 17, 2012
8125006 Array of low resistive vertical diodes and method of production Feb. 28, 2012
8035115 Semiconductor apparatus, print head, and image forming apparatus Oct. 11, 2011
7947548 Multifunctional tape May. 24, 2011
7939414 Ion implantation and process sequence to form smaller base pick-up May. 10, 2011
7863080 Process for making multi-crystalline silicon thin-film solar cells Jan. 4, 2011
7846785 Memory cell that employs a selectively deposited reversible resistance-switching element and methods of forming the same Dec. 7, 2010
7807539 Ion implantation and process sequence to form smaller base pick-up Oct. 5, 2010
7786545 Image sensor and method for manufacturing the same Aug. 31, 2010
7749798 Optimized photodiode process for improved transfer gate leakage Jul. 6, 2010
7732869 Insulated-gate semiconductor device Jun. 8, 2010
7645646 Manufacture of electronic devices comprising thin-film circuit elements Jan. 12, 2010
7615417 Triggered silicon controlled rectifier for RF ESD protection Nov. 10, 2009
7585696 Image sensor and method for manufacturing the same Sep. 8, 2009
7317213 Semiconductor device having super junction structure and method for manufacturing the same Jan. 8, 2008
6858510 Low-voltage punch-through bi-directional transient-voltage suppression devices having surface breakdown protection and methods of making the same Feb. 22, 2005
6806510 Semiconductor device with surge protective component and method of manufacturing the semiconductor device Oct. 19, 2004
6602769 Low-voltage punch-through bi-directional transient-voltage suppression devices and methods of making the same Aug. 5, 2003
6600204 Low-voltage punch-through bi-directional transient-voltage suppression devices having surface breakdown protection and methods of making the same Jul. 29, 2003
6489660 Low-voltage punch-through bi-directional transient-voltage suppression devices Dec. 3, 2002
5472908 Method for manufacturing a power semiconductor component for high speed current switching Dec. 5, 1995
4040869 High voltage deep diode power semiconductor switch Aug. 9, 1977
3988769 High voltage diodes Oct. 26, 1976
3988767 High voltage deep diode power semiconductor switch Oct. 26, 1976
3975213 High voltage diodes Aug. 17, 1976











 
 
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