Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Physics
Class Information
Number: 257/E21.393
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 three or more electrodes (epo) > Thyristor (epo) > Active layer is group iii-v compound (epo)
Description: This subclass is indented under subclass E21.388. This subclass is substantially the same in scope as ECLA classification H01L21/332Q.










Patents under this class:

Patent Number Title Of Patent Date Issued
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
7842595 Fabricating electronic-photonic devices having an active layer with spherical quantum dots Nov. 30, 2010
7763928 Multi-time programmable memory Jul. 27, 2010
7507676 Film formation method and apparatus for semiconductor process Mar. 24, 2009











 
 
  Recently Added Patents
Compound containing a carbon or an oxygen isotope, preparation and use thereof, and composition comprising thereof
Method and apparatus for controllable communication
Adjustable draw bar for trailer hitches
Method and laser receiver for acoustically indicating a laser beam
Vehicle-mounted camera stabilized passively by vibration isolators
Embedded bonding pad for image sensors
Method and apparatus for providing auto-completion of information
  Randomly Featured Patents
Process for fabricating a semiconductor device having a high reliability dielectric material
Base storage of handset's base registrations
Paint scraper
Automatic laser beam machining apparatus and performing automatic laser beam machining method
Spontaneous firing explosive composition for use in a gas generator for an airbag
Electronic parking brake apparatus
Features for emergency calling and short messaging system
Method of producing ice by using fluorinated pentane
Lens composition, article and method of manufacture
Programmable system on a chip for temperature monitoring and control