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Class Information
Number: 257/E21.365
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) > Active layer is group iii-v compound (epo)
Description: This subclass is indented under subclass E21.351. This subclass is substantially the same in scope as ECLA classification H01L21/329P.










Sub-classes under this class:

Class Number Class Name Patents
257/E21.366 Diode (epo) 36


Patents under this class:

Patent Number Title Of Patent Date Issued
8652958 Vertical deep ultraviolet light emitting diodes Feb. 18, 2014
8524581 GaN epitaxy with migration enhancement and surface energy modification Sep. 3, 2013
8415685 Light-emitting element, light-emitting apparatus, display, and electronic device Apr. 9, 2013
8252662 Method and structure for manufacture of light emitting diode devices using bulk GaN Aug. 28, 2012
8193016 Semiconductor laser device and method of manufacturing the same Jun. 5, 2012
8173469 Fabrication method of light emitting device May. 8, 2012
8124432 Nitride semiconductor optical element and manufacturing method thereof Feb. 28, 2012
8058166 Method of manufacturing a semiconductor device Nov. 15, 2011
7772599 Gallium nitride-based semiconductor stacked structure, production method thereof, and compound semiconductor and light-emitting device each using the stacked structure Aug. 10, 2010
7736925 Method of fabricating nitride-based semiconductor laser diode Jun. 15, 2010
7547587 Method for manufacturing semiconductor light emitting device Jun. 16, 2009
7368309 Nitride semiconductor and fabrication method thereof May. 6, 2008
6245628 Method of manufacturing a resistor in a semiconductor device Jun. 12, 2001
5557141 Method of doping, semiconductor device, and method of fabricating semiconductor device Sep. 17, 1996
5485017 Semiconductor device and method of manufacturing same Jan. 16, 1996
5350709 Method of doping a group III-V compound semiconductor Sep. 27, 1994











 
 
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