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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Petroff; Pierre M.
Address:
Santa Barbara, CA
No. of patents:
12
Patents:












Patent Number Title Of Patent Date Issued
8227825 Photonic structures for efficient light extraction and conversion in multi-color light emitting July 24, 2012
A high efficiency light emitting diode (LED) comprised of a substrate, a buffer layer grown on the substrate (if such a layer is needed), a first active region comprising primary emitting species (PES) that are electrically-injected, a second active region comprising secondary emitti
7906775 Superlattice nanopatterning of wires and complex patterns March 15, 2011
Fabrication of metallic or non-metallic wires with nanometer widths and nanometer separation distances without the use of lithography. Wires are created in a two-step process involving forming the wires at the desired dimensions and transferring them to a planar substrate. The dimensions
7768023 Photonic structures for efficient light extraction and conversion in multi-color light emitting August 3, 2010
A high efficiency light emitting diode (LED) comprised of a substrate, a buffer layer grown on the substrate (if such a layer is needed), a first active region comprising primary emitting species (PES) that are electrically-injected, a second active region comprising secondary emitti
7470954 Fabrication method for arranging ultra-fine particles December 30, 2008
A method and resultant device, in which metal nanoparticles are self-assembled into two-dimensional lattices. A periodic hole pattern (wells) is fabricated on a photoresist substrate, the wells having an aspect ratio of less than 0.37. The nanoparticles are synthesized within inverse
7161168 Superlattice nanopatterning of wires and complex patterns January 9, 2007
Fabrication of metallic or non-metallic wires with nanometer widths and nanometer separation distances without the use of lithography. Wires are created in a two-step process involving forming the wires at the desired dimensions and transferring them to a planar substrate. The dimensions
6989324 Fabrication method for arranging ultra-fine particles January 24, 2006
A method and resultant device, in which metal nanoparticles are self-assembled into two-dimensional lattices. A periodic hole pattern (wells) is fabricated on a photoresist substrate, the wells having an aspect ratio of less than 0.37. The nanoparticles are synthesized within inverse
6583436 Strain-engineered, self-assembled, semiconductor quantum dot lattices June 24, 2003
A method for growing strain-engineered, self-assembled, semiconductor quantum dots (QDs) into ordered lattices. The nucleation and positioning of QDs into lattices is achieved using a periodic sub-surface lattice built-up on a substrate, stressor layer, and spacer layer. The unit cell
6541788 Mid infrared and near infrared light upconverter using self-assembled quantum dots April 1, 2003
A method and device for converting light from a first wavelength to a second wavelength. The method comprises the steps of exciting an electron in a quantum dot with an incident infrared photon having the first wavelength, the excited electron having a first energy, tunneling the exc
6307241 Integrable ferromagnets for high density storage October 23, 2001
Submicron ferromagnets, of selected size and spacing, are introduced into semiconductor by means of ion implantation and subsequent heat treatments. The resulting semiconductor contains ferromagnets at high density and which exhibit Curie temperatures exceeding room temperature. The
5192709 Nanoscale modulation doping method March 9, 1993
A method for modulation doping of semiconductor heterostructures includes forming a semiconductor heterostructure comprising a substrate layer, a narrow band-gap quantum well layer, and a donor implantation layer. A focused ion beam writes across the surface of the donor implantation
5013683 Method for growing tilted superlattices May 7, 1991
A method for growing a superlattice structure on a substrate. First, a periodic array of monoatomic surface steps are created on the surface of the substrate at an area to have the superlattice structure grown thereon. There is apparatus for creating a beam of a material being input ther
4751194 Structures including quantum well wires and boxes June 14, 1988
A method of fabricating quantum well wires and boxes is described in which interdiffusion in a semiconductor having a compositional profile is enhanced by the presence of defects created by ion implantation in localized regions.










 
 
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