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Class Information
Number: 257/E31.033
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Semiconductor devices responsive or sensitive to electromagnetic radiation (e.g., infrared radiation, adapted for conversion of radiation into electrical energy or for control of electrical energy by such radiation processes, or apparatus peculiar to manufacture or treatment of such devices, or of parts thereof) (epo) > Characterized by semiconductor body (epo) > Characterized by semiconductor body shape, relative size, or disposition of semiconductor regions (epo) > Multiple quantum well structure (epo)
Description: This subclass is indented under subclass E31.032. This subclass is substantially the same in scope as ECLA classification H01L31/0352B.










Sub-classes under this class:

Class Number Class Name Patents
257/E31.034 Characterized by amorphous semiconductor layer (epo) 26
257/E31.036 Doping superlattice (e.g., nipi superlattice) (epo) 16
257/E31.035 Including, apart from doping material or other impurity, only group iv element or compound (e.g., si-sige superlattice) (epo) 49


Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
8703526 Fabrication method for quantum dot sensitized solar cell using supercritical fluid or subcritical fluid and quantum dot sensitized solar cell prepared thereby Apr. 22, 2014
8643058 Electro-optical device including nanocrystals Feb. 4, 2014
8552415 Solid-state imaging device, method for manufacturing solid-state imaging device, and imaging apparatus Oct. 8, 2013
8492746 Light emitting diode (LED) dice having wavelength conversion layers Jul. 23, 2013
8461571 Method and apparatus for converting photon energy to electrical energy Jun. 11, 2013
8461570 Semiconductor device and manufacturing method thereof Jun. 11, 2013
8431928 PIN structures including intrinsic gallium arsenide, devices incorporating the same, and related methods Apr. 30, 2013
8415192 Colloidal nanoparticle materials for photodetectors and photovoltaics Apr. 9, 2013
8409906 Non-vacuum method for fabrication of a photovoltaic absorber layer Apr. 2, 2013
8390004 Light-emitting structure Mar. 5, 2013
8384064 Electroluminescent device Feb. 26, 2013
8368051 Complementary barrier infrared detector (CBIRD) Feb. 5, 2013
8334157 Semiconductor device and a method of manufacture thereof Dec. 18, 2012
8309391 Method for manufacturing an array-type nanotube layer of a thin-film solar cell Nov. 13, 2012
8279904 Semiconductor light-emitting device Oct. 2, 2012
8247265 Method for manufacturing optoelectronic memory device Aug. 21, 2012
8178866 Optoelectronic memory device and method for manufacturing and measuring the same May. 15, 2012
8164092 PIN structures including intrinsic gallium arsenide, devices incorporating the same, and related methods Apr. 24, 2012
8124432 Nitride semiconductor optical element and manufacturing method thereof Feb. 28, 2012
8120014 Nanowire based plasmonics Feb. 21, 2012
8106510 Nano-tube thermal interface structure Jan. 31, 2012
8093581 Optical semiconductor device and method for manufacturing the same Jan. 10, 2012
8063396 Polariton mode optical switch Nov. 22, 2011
8053758 Semiconductor device Nov. 8, 2011
8039369 Semiconductor light-emitting element and method of producing the same Oct. 18, 2011
8022391 Photodetectors and photovoltaics based on semiconductor nanocrystals Sep. 20, 2011
8021909 Method for making a planar concentrating solar cell assembly with silicon quantum dots Sep. 20, 2011
7989842 Method and apparatus for heterojunction barrier diode detector for ultrahigh sensitivity Aug. 2, 2011
7968863 Optical device having a quantum-dot structure Jun. 28, 2011
7951684 Semiconductor device method of manfacturing a quantum well structure and a semiconductor device comprising such a quantum well structure May. 31, 2011
7928473 Depletion-less photodiode with suppressed dark current and method for producing the same Apr. 19, 2011
7875915 Integrated circuit comprising a photodiode of the floating substrate type and corresponding fabrication process Jan. 25, 2011
7872253 Thermoelectric material, infrared sensor and image forming device Jan. 18, 2011
7829880 Quantum dot semiconductor device Nov. 9, 2010
7795640 Depletion-less photodiode with suppressed dark current and method for producing the same Sep. 14, 2010
7736928 Precision printing electroplating through plating mask on a solar cell substrate Jun. 15, 2010
7718992 Nitride semiconductor device May. 18, 2010
7659536 High performance hyperspectral detectors using photon controlling cavities Feb. 9, 2010
7646009 Nitride semiconductor device Jan. 12, 2010
7595508 Optical semiconductor device and method for fabricating the same Sep. 29, 2009
7535015 Semiconductor device method of manufacturing a quantum well structure and a semiconductor device comprising such a quantum well structure May. 19, 2009
7485503 Dielectric interface for group III-V semiconductor device Feb. 3, 2009
7372068 QWIP with electron launcher for reducing dielectric relaxation effect in low background conditions May. 13, 2008
7307271 Nanowire interconnection and nano-scale device applications Dec. 11, 2007
7291858 QWIP with tunable spectral response Nov. 6, 2007
7196349 Resonant cavity enhanced multi-quantum well light modulator and detector Mar. 27, 2007
7132677 Super bright light emitting diode of nanorod array structure having InGaN quantum well and method for manufacturing the same Nov. 7, 2006
6987484 Detector for electromagnetic radiation and a method of detecting electromagnetic radiation Jan. 17, 2006
6942731 Method for improving the efficiency of epitaxially produced quantum dot semiconductor components Sep. 13, 2005
6936526 Method of disordering quantum well heterostructures Aug. 30, 2005

1 2 3 4 5 6










 
 
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