Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Physics
Class Information
Number: 257/E21.403
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 the manufacture of unipolar device (epo) > Field-effect transistor (epo) > With heterojunction interface channel or gate, e.g., hfet, higfet, sisfet, hjfet, hemt (epo)
Description: This subclass is indented under subclass E21.4. This subclass is substantially the same in scope as ECLA classification H01L21/335C.










Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8704273 Semiconductor device and method for manufacturing the same, and amplifier Apr. 22, 2014
8703561 High quality GaN high-voltage HFETs on silicon Apr. 22, 2014
8680535 High electron mobility transistor structure with improved breakdown voltage performance Mar. 25, 2014
8674407 Semiconductor device using a group III nitride-based semiconductor Mar. 18, 2014
8664696 Nitride semiconductor device Mar. 4, 2014
8658482 Compound semiconductor device and method for fabricating the same Feb. 25, 2014
8653558 Semiconductor device and method of making Feb. 18, 2014
8648390 Transistor with enhanced channel charge inducing material layer and threshold voltage control Feb. 11, 2014
8637902 Semiconductor device and method of manufacturing the same Jan. 28, 2014
8637905 Semiconductor device and fabrication method thereof Jan. 28, 2014
8633470 Techniques and configurations to impart strain to integrated circuit devices Jan. 21, 2014
8629012 Method for forming antimony-based FETs monolithically Jan. 14, 2014
8629013 Junction leakage reduction through implantation Jan. 14, 2014
8624296 High electron mobility transistor including an embedded flourine region Jan. 7, 2014
8624260 Enhancement-mode GaN MOSFET with low leakage current and improved reliability Jan. 7, 2014
8614460 Semiconductor device and fabrication method of the semiconductor device Dec. 24, 2013
8610172 FETs with hybrid channel materials Dec. 17, 2013
8610173 Enhancement/depletion PHEMT device Dec. 17, 2013
8603871 Compound semiconductor device and its manufacture method Dec. 10, 2013
8598627 P-type field-effect transistor and method of production Dec. 3, 2013
8592869 Nitride-based heterojunction semiconductor device and method for the same Nov. 26, 2013
8592867 Wide bandgap HEMTS with source connected field plates Nov. 26, 2013
8592298 Fabrication of floating guard rings using selective regrowth Nov. 26, 2013
8592866 Transistor Nov. 26, 2013
8586997 Semiconductor device with low-conducting field-controlling element Nov. 19, 2013
8581261 Compound semiconductor device and method of manufacturing the same Nov. 12, 2013
8581300 Compound semiconductor device and method of manufacturing the same Nov. 12, 2013
8569798 Semicondcutor device comprising transistor Oct. 29, 2013
8569797 Field effect transistor and method of manufacturing the same Oct. 29, 2013
8569769 E-mode high electron mobility transistors and methods of manufacturing the same Oct. 29, 2013
8564020 Transistors and rectifiers utilizing hybrid electrodes and methods of fabricating the same Oct. 22, 2013
8558281 Gate metallization methods for self-aligned sidewall gate GaN HEMT Oct. 15, 2013
8558285 Method using low temperature wafer bonding to fabricate transistors with heterojunctions of Si(Ge) to III-N materials Oct. 15, 2013
8551821 Enhancement normally off nitride semiconductor device manufacturing the same Oct. 8, 2013
8546207 Method for fabricating semiconductor wafers for the integration of silicon components with HEMTs, and appropriate semiconductor layer arrangement Oct. 1, 2013
8546848 Nitride semiconductor device Oct. 1, 2013
8541817 Multilayer barrier III-nitride transistor for high voltage electronics Sep. 24, 2013
8525227 Semiconductor device and method of manufacturing the same Sep. 3, 2013
8525226 Field effect transistor with frequency dependent gate-channel capacitance Sep. 3, 2013
8524552 Normally-off power JFET and manufacturing method thereof Sep. 3, 2013
8519442 High electron mobility transistor having a high speed switching function Aug. 27, 2013
8513703 Group III-nitride HEMT with multi-layered substrate having a second layer of one conductivity type touching a top surface of a first layers of different conductivity type and a method for form Aug. 20, 2013
8513705 Power electronic devices, methods of manufacturing the same, and integrated circuit modules including the same Aug. 20, 2013
8507949 Semiconductor device Aug. 13, 2013
8501557 Method of manufacturing nitride semiconductor device Aug. 6, 2013
8502273 Group III-nitride HEMT having a well region formed on the surface of substrate and contacted the buffer layer to increase breakdown voltage and the method for forming the same Aug. 6, 2013
8492213 Transistor and method for forming the same Jul. 23, 2013
8487375 Semiconductor device and method of manufacturing semiconductor device Jul. 16, 2013
8471309 Compound semiconductor device and method of manufacturing the same Jun. 25, 2013
8466520 Transistor with an embedded strain-inducing material having a gradually shaped configuration Jun. 18, 2013

1 2 3 4 5










 
 
  Recently Added Patents
Managing and collaborating with digital content
Electrode binder composition, electrode slurry, electrode, and electrical storage device
(4950
Performance venue with dynamic mechanical load management system and method
Organizer
Transferases and oxidoreductases, nucleic acids encoding them and methods for making and using them
Switchgear operating apparatus and three-phase switchgear
  Randomly Featured Patents
Sulfoximine-substituted pyrimidines as CDK-and/or VEGF inhibitors, their production and use as pharmaceutical agents
Water-based foaming composition-method for making same
Apparatus and method for reducing transient exponential noise in a sinusoidal signal
Photosensor package with defined locations for lens supporting lead
Container lid
Knowledge-guided automatic speech recognition apparatus and method
Roulette system
Identification bracelet
Paper jam detection method
Automobile vehicle seat back frame, and process for manufacturing such a frame