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Class Information
Number: 257/E29.068
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Semiconductors devices adapted for rectifying, amplifying, oscillating, or switching, capacitors, or resistors with at least one potential-jump barrier or surface barrier (epo) > Electrical characteristics due to properties of entire semiconductor body rather than just surface region (epo) > Characterized by materials of semiconductor body (epo)
Description: This subclass is indented under subclass E29.002. This subclass is substantially the same in scope as ECLA classification H01L29/12.










Sub-classes under this class:

Class Number Class Name Patents
257/E29.082 Only element from fourth group of periodic system in uncombined form (epo) 165
257/E29.094 Only group ii-vi compounds (epo) 49
257/E29.089 Only group iii-v compounds (epo) 191
257/E29.087 Selenium or tellurium only (epo) 12
257/E29.1 Semiconductor materials other than group iv, selenium, tellurium, or group iii-v compounds (epo) 63
257/E29.069 Single quantum well structures (epo) 60
257/E29.072 Structures with periodic or quasi-periodic potential variation, (e.g., multiple quantum wells, superlattices) (epo) 57
257/E29.079 Two or more elements from two or more groups of periodic table of elements (e.g., alloys) (epo) 36


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8686386 Nonvolatile memory device using a varistor as a current limiter element Apr. 1, 2014
8686415 Semiconductor device Apr. 1, 2014
8679949 Silicon nanowire comprising high density metal nanoclusters and method of preparing the same Mar. 25, 2014
8674351 Semiconductor device and semiconductor memory device Mar. 18, 2014
8669591 E-mode HFET device Mar. 11, 2014
8648349 Semiconductor device Feb. 11, 2014
8648353 Method for manufacturing silicon carbide semiconductor device and the silicon carbide semiconductor device Feb. 11, 2014
8643085 High-voltage-resistant semiconductor component having vertically conductive semiconductor body areas and a trench structure Feb. 4, 2014
8637848 Single crystal group III nitride articles and method of producing same by HVPE method incorporating a polycrystalline layer for yield enhancement Jan. 28, 2014
8624357 Composite semiconductor substrates for thin-film device layer transfer Jan. 7, 2014
RE44657 Semiconductor device Dec. 24, 2013
8581245 Thin film transistor, method of manufacturing thin film transistor, display unit, and electronic device Nov. 12, 2013
8575608 Thin film transistor and manufacturing method thereof Nov. 5, 2013
8558214 Electronic component, methods for the production thereof, and use thereof Oct. 15, 2013
8558277 Semiconductor device and method of providing electrostatic discharge protection for integrated passive devices Oct. 15, 2013
8551811 Composite dielectric material doped with rare earth metal oxide and manufacturing method thereof Oct. 8, 2013
8552426 Composite dielectric material doped with rare earth metal oxide and manufacturing method thereof Oct. 8, 2013
8546798 Composite dielectric material doped with rare earth metal oxide and manufacturing method thereof Oct. 1, 2013
8546797 Zinc oxide based compound semiconductor device Oct. 1, 2013
8541780 Semiconductor device having oxide semiconductor layer Sep. 24, 2013
8536570 Composition for oxide thin film, preparation method of the composition, methods for forming the oxide thin film using the composition, and electronic device using the composition Sep. 17, 2013
8530934 Integrated circuit structures containing a strain-compensated compound semiconductor layer and methods and systems related thereto Sep. 10, 2013
8525146 Electrical circuit component Sep. 3, 2013
8525186 Method of forming a planar field effect transistor with embedded and faceted source/drain stressors on a silicon-on-insulator (SOI) wafer, a planar field effect transistor structure and a desi Sep. 3, 2013
8513660 Organic optoelectronic device and making method thereof Aug. 20, 2013
8507907 Semiconductor memory device Aug. 13, 2013
8501600 Methods for depositing germanium-containing layers Aug. 6, 2013
8502218 Large-area, free-standing metal oxide films and transistors made therefrom Aug. 6, 2013
8492760 Semiconductor device and method for manufacturing the same Jul. 23, 2013
8487356 Graphene device and method of manufacturing the same Jul. 16, 2013
8476739 Graphene grown substrate and electronic/photonic integrated circuits using same Jul. 2, 2013
8471267 Semiconductor device and method for producing same Jun. 25, 2013
8455868 Semiconductor device Jun. 4, 2013
8436365 SiC semiconductor device having Schottky barrier diode and method for manufacturing the same May. 7, 2013
8431926 Semiconductor device having oxide semiconductor layer Apr. 30, 2013
8426852 Transistors and electronic apparatuses including same Apr. 23, 2013
8421069 Semiconductor device Apr. 16, 2013
8421071 Memory device Apr. 16, 2013
8421087 Semiconductor module including a switch and non-central diode Apr. 16, 2013
8415671 Wide band-gap MOSFETs having a heterojunction under gate trenches thereof and related methods of forming such devices Apr. 9, 2013
8410474 Graphene grown substrate and electronic/photonic integrated circuits using same Apr. 2, 2013
8410478 p-Type MgZnO-based thin film and semiconductor light emitting device Apr. 2, 2013
8410489 Semiconductor element, semiconductor device, and power converter Apr. 2, 2013
8395149 Semiconductor device structure and method for manufacturing the same Mar. 12, 2013
8389696 Polymerizable diazonium salts, process for the preparation thereof and uses thereof Mar. 5, 2013
8390028 Semiconductor device with epitaxial crystal layer embedded within susbstrate of dummy pattern region Mar. 5, 2013
8378335 Semiconductor device and method for fabricating the same Feb. 19, 2013
8357942 Semiconductor device with a peripheral circuit formed therein Jan. 22, 2013
8354344 Methods for forming metal-germanide layers and devices obtained thereby Jan. 15, 2013
8349711 Single crystal group III nitride articles and method of producing same by HVPE method incorporating a polycrystalline layer for yield enhancement Jan. 8, 2013

1 2 3










 
 
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