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Class Information
Number: 438/37
Name: Semiconductor device manufacturing: process > Making device or circuit emissive of nonelectrical signal > Graded composition
Description: Process wherein the chemical composition of a semiconductor region of the substrate varies with location within the semiconductive region.


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
7623560 Quantum photonic imagers and methods of fabrication thereof Nov. 24, 2009
7615773 Semiconductor light-emitting device and manufacturing method thereof Nov. 10, 2009
7605011 Semiconductor device and a method of manufacturing a semiconductor device Oct. 20, 2009
7589347 Method for fabricating lateral semiconductor device Sep. 15, 2009
7575944 Method of manufacturing nitride-based semiconductor light emitting diode Aug. 18, 2009
7544525 AllnGaP LED having reduced temperature dependence Jun. 9, 2009
7537950 Nitride-based light emitting heterostructure May. 26, 2009
7521269 Single-crystal nitride-based semiconductor substrate and method of manufacturing high-quality nitride-based light emitting device by using the same Apr. 21, 2009
7511314 Light emitting device and method of fabricating the same Mar. 31, 2009
7508011 Semiconductor light generating device Mar. 24, 2009
7501666 Method for forming p-type semiconductor region, and semiconductor element Mar. 10, 2009
7495314 Ohmic contact on p-type GaN Feb. 24, 2009
7495264 Semiconductor device with high dielectric constant insulating film and manufacturing method for the same Feb. 24, 2009
7482183 Light emitting diode with degenerate coupling structure Jan. 27, 2009
7479658 Epitaxial wafers, method for manufacturing of epitaxial wafers, method of suppressing bowing of these epitaxial wafers and semiconductor multilayer structures using these epitaxial wafers Jan. 20, 2009
7449353 Co-doping for fermi level control in semi-insulating Group III nitrides Nov. 11, 2008
7437047 Optical materials with selected index-of-refraction Oct. 14, 2008
7399657 Ball grid array packages with thermally conductive containers Jul. 15, 2008
7368308 Methods of fabricating semiconductor heterostructures May. 6, 2008
7364697 System for infrared spectroscopic imaging of libraries Apr. 29, 2008
7271021 Light-emitting device with a current blocking structure and method for making the same Sep. 18, 2007
7259036 Methods of forming doped and un-doped strained semiconductor materials and semiconductor films by gas-cluster-ion-beam irradiation and materials and film products Aug. 21, 2007
7224882 Optical materials with selected index-of-refraction May. 29, 2007
7214598 Formation of lattice-tuning semiconductor substrates May. 8, 2007
7211458 Methods of fabricating strained semiconductor-on-insulator field-effect transistors and related devices May. 1, 2007
7052931 Flat panel display device with first electrode having concentration gradient and fabrication method thereof May. 30, 2006
7049627 Semiconductor heterostructures and related methods May. 23, 2006
7042023 Semiconductor light emitting device and method for producing the same May. 9, 2006
7042011 Compound semiconductor laser May. 9, 2006
7009224 Metamorphic long wavelength high-speed photodiode Mar. 7, 2006
7005681 Radiation-emitting semiconductor component and method for making same Feb. 28, 2006
6962828 Methods for manufacturing a light-emitting device Nov. 8, 2005
6888984 Amorphous silicon alloy based integrated spot-size converter May. 3, 2005
6881601 Nitride compound semiconductor, nitride compound semiconductor light emitting device and method of manufacturing the same Apr. 19, 2005
6864115 Low threading dislocation density relaxed mismatched epilayers without high temperature growth Mar. 8, 2005
6855570 Compound semiconductor laser Feb. 15, 2005
6853011 Light emitting diode and method of making the same Feb. 8, 2005
6841409 Group III-V compound semiconductor and group III-V compound semiconductor device using the same Jan. 11, 2005
6806502 3-5 Group compound semiconductor and light emitting device Oct. 19, 2004
6774389 Optical semiconductor device Aug. 10, 2004
6759312 Co-implantation of group VI elements and N for formation of non-alloyed ohmic contacts for n-type semiconductors Jul. 6, 2004
6727109 Method of fabricating long wavelength vertical-cavity surface-emitting lasers Apr. 27, 2004
6720196 Nitride-based semiconductor element and method of forming nitride-based semiconductor Apr. 13, 2004
6716654 Light-emitting diode with enhanced brightness and method for fabricating the same Apr. 6, 2004
6716655 Group III nitride compound semiconductor element and method for producing the same Apr. 6, 2004
6689626 Flexible substrate Feb. 10, 2004
6653158 Double intracavity contacted long-wavelength VCSELs and method of fabricating same Nov. 25, 2003
6627469 Methods for forming semiconductor lenses on substrates Sep. 30, 2003
6623998 Method for manufacturing group III nitride compound semiconductor device Sep. 23, 2003
6617188 Quantum well intermixing Sep. 9, 2003

1 2 3


 
 
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