Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Physics
Class Information
Number: 257/E21.085
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)
Description: This subclass is indented under subclass E21.04. This subclass is substantially the same in scope as ECLA classification H01L21/18.










Sub-classes under this class:

Class Number Class Name Patents
257/E21.086 Intermixing or interdiffusion or disordering of group iii-v heterostructures, e.g., iild (epo) 61
257/E21.087 Joining of semiconductor body for junction formation (epo) 38
257/E21.089 Multistep processes for manufacture of device using quantum interference effect, e.g., electrostatic aharonov-bohm effect (epo) 23
257/E21.09 Deposition of semiconductor material on substrate, e.g., epitaxial growth, solid phase epitaxy (epo) 677
257/E21.135 Diffusion of impurity material, e.g., doping material, electrode material, into or out of a semiconductor body, or between semiconductor regions; interactions between two or more impurities; redistribution of impurities (epo) 215
257/E21.154 Alloying of impurity material, e.g., doping material, electrode material, with a semiconductor body (epo) 117
257/E21.158 Manufacture of electrode on semiconductor body using process other than by epitaxial growth, diffusion of impurities, alloying of impurity materials, or radiation bombardment (epo) 416
257/E21.211 Treatment of semiconductor body using process other than deposition of semiconductor material on a substrate, diffusion or alloying of impurity material, or radiation treatment (epo) 310
257/E21.328 Radiation treatment (epo) 105
257/E21.35 Multi-step process for manufacture of device of bipolar type, e.g., diodes, transistors, thyristors, resistors, capacitors) (epo) 46
257/E21.394 Multi-step process for the manufacture of unipolar device (epo) 11


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8679861 Semiconductor chip repair by stacking of a base semiconductor chip and a repair semiconductor chip Mar. 25, 2014
8674399 Semiconductor layer Mar. 18, 2014
8647901 Method for forming a nitride semiconductor layer and method for separating the nitride semiconductor layer from the substrate Feb. 11, 2014
8597962 Vertical structure LED current spreading by implanted regions Dec. 3, 2013
8592298 Fabrication of floating guard rings using selective regrowth Nov. 26, 2013
8586433 Compound semiconductor device and manufacturing method thereof Nov. 19, 2013
8580626 Semiconductor device and method of manufacturing thereof Nov. 12, 2013
8574942 Method of forming silicon nanowires and method of fabricating lithium secondary battery using the same Nov. 5, 2013
8563343 Method of manufacturing laser diode device Oct. 22, 2013
8558212 Conductive path in switching material in a resistive random access memory device and control Oct. 15, 2013
8530290 Thin film transistor, method of fabricating the same, and organic light emitting diode display device including the same Sep. 10, 2013
8530932 Replacement spacer for tunnel FETS Sep. 10, 2013
8524562 Method for reducing Fermi-Level-Pinning in a non-silicon channel MOS device Sep. 3, 2013
8524581 GaN epitaxy with migration enhancement and surface energy modification Sep. 3, 2013
8505481 Apparatus for growth of dilute-nitride materials using an isotope for enhancing the sensitivity of resonant nuclear reaction analysis Aug. 13, 2013
8492862 Sputtering target and manufacturing method thereof, and transistor Jul. 23, 2013
8450147 Laminating encapsulant film containing phosphor over LEDs May. 28, 2013
8450813 Fin transistor structure and method of fabricating the same May. 28, 2013
8445973 Fin transistor structure and method of fabricating the same May. 21, 2013
8435892 Method of manufacturing semiconductor device comprising the step of doping semiconductor film through contact hole May. 7, 2013
8420439 Method of producing a radiation-emitting thin film component and radiation-emitting thin film component Apr. 16, 2013
8420419 Group-III nitride semiconductor laser device, and method for fabricating group-III nitride semiconductor laser device Apr. 16, 2013
8415684 LED device with improved thermal performance Apr. 9, 2013
8361885 Group-III nitride semiconductor laser device, method of fabricating group-III nitride semiconductor laser device, and method of estimating damage from formation of scribe groove Jan. 29, 2013
8314422 Light emitting device, light emitting device package and lighting system Nov. 20, 2012
8299565 Semiconductor nanowires having mobility-optimized orientations Oct. 30, 2012
8294245 GaN single-crystal mass and method of its manufacture, and semiconductor device and method of its manufacture Oct. 23, 2012
8257993 Light emitting device and method of fabricating the same Sep. 4, 2012
8258056 Method and material for forming a double exposure lithography pattern Sep. 4, 2012
8241972 Method for manufacturing flexible semiconductor device Aug. 14, 2012
8232566 Light emitting device, package, and system Jul. 31, 2012
8227277 Group-III nitride semiconductor laser device, and method of fabricating group-III nitride semiconductor laser device Jul. 24, 2012
8222063 Method for fabricating robust light-emitting diodes Jul. 17, 2012
8198707 Establishing a uniformly thin dielectric layer on graphene in a semiconductor device without affecting the properties of graphene Jun. 12, 2012
8193016 Semiconductor laser device and method of manufacturing the same Jun. 5, 2012
8183669 Nitride semiconductor wafer having a chamfered edge May. 22, 2012
8178400 Replacement spacer for tunnel FETs May. 15, 2012
8173469 Fabrication method of light emitting device May. 8, 2012
8163633 Light-emitting nanoparticles and method of making same Apr. 24, 2012
8153515 Methods of fabricating strain balanced nitride heterojunction transistors Apr. 10, 2012
8139619 Group-III nitride semiconductor laser device, and method for fabricating group-III nitride semiconductor laser device Mar. 20, 2012
8133768 Method of manufacturing a light emitting, photovoltaic or other electronic apparatus and system Mar. 13, 2012
8110889 MOCVD single chamber split process for LED manufacturing Feb. 7, 2012
8105857 Method of fabricating group-III nitride semiconductor laser device Jan. 31, 2012
8076167 Group-III nitride semiconductor laser device, and method for fabricating group-III nitride semiconductor laser device Dec. 13, 2011
8071405 Group-III nitride semiconductor laser device, and method for fabricating group-III nitride semiconductor laser device Dec. 6, 2011
8072043 Semiconductor component Dec. 6, 2011
8058085 Method of forming a waveguide in diamond Nov. 15, 2011
8039880 High performance microwave switching devices and circuits Oct. 18, 2011
8035131 Method for forming a nitride semiconductor laminated structure and method for manufacturing a nitride semiconductor element Oct. 11, 2011

1 2 3










 
 
  Recently Added Patents
Mobile terminal device capable of more effectively utilizing operation portions, conductive portion, operation detecting unit, power supply unit, and signal processing unit
Local access to data while roaming with a mobile telephony device
Milk frother
Synthesis of 8-amino boron dipyrromethenes having blue fluorescence
Method of operating a split gate flash memory cell with coupling gate
Controlling ring-back tone output prior to a communication connection in mobile terminal
Semiconductor device and method for fabricating the same
  Randomly Featured Patents
Burkholderia multivorans strain and methods of using same
Light blocking lens for welder helmet
Programmable conductor memory cell structure
Adjusting devices for a semi-mounted plough
Directional rod pusher
Vehicle vanity and light assembly and visor having vanity and dome lighting
Metal reinforced wood truss and tie means
Electronic device and method for predicting word input
Fuel control system for an internal combustion engine
Wall mounted clothes hanger