Matches 1 - 34 out of 34
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7446335 Process and apparatus for forming nanoparticles using radiofrequency plasmas  
Methods and apparatus for producing nanoparticles, including single-crystal semiconductor nanoparticles, are provided. The methods include the step of generating a constricted radiofrequency plasma...
7442227 Tightly agglomerated non-oxide particles and method for producing the same  
A non-oxide powder of which at least about 40% by mass is comprised of a plurality of tightly agglomerated compositions, each of the tightly agglomerated compositions comprising a plurality of...
7413725 Copper and/or zinc alloy nanopowders made by laser vaporization and condensation  
A method of making Cu, Zn, and/or Cu/Zn alloy nanoparticles subjects one or more targets to laser energy to form a vapor and condenses the vapor to form nanoparticles having an average particle...
7402832 Quantum dots of group IV semiconductor materials  
The invention relates to a quantum dot. The quantum dot comprises a core including a semiconductor material Y selected from the group consisting of Si and Ge. The quantum dot also comprises a shell...
7358525 Quantum dots of group IV semiconductor materials  
The invention relates to a quantum dot. The quantum dot comprises a core including a semiconductor material Y selected from the group consisting of Si and Ge. The quantum dot also comprises a shell...
7270596 Chemical mechanical polishing process  
A chemical mechanical polishing process includes rotating at least one of a semiconductor substrate and polishing pad relative to the other. A chemical mechanical polishing slurry is provided...
7020372 Optical devices with engineered nonlinear nanocomposite materials  
The invention relates to an optical device. The optical device comprises a waveguide core and a nanocomposite material optically coupled to the waveguide core. The nanocomposite material includes a...
7005669 Quantum dots, nanocomposite materials with quantum dots, devices with quantum dots, and related fabrication methods  
The invention provides “engineered” nonlinear nanocomposite materials with an extremely large χ (3) and fast temporal response along with optical properties that can be precisely tuned to...
7004993 Nanoscale particles of iron aluminide and iron aluminum carbide by the reduction of iron salts  
A method of making intermetallic nanoscale particles comprising iron aluminide and/or iron aluminum carbide comprising the steps of preparing a mixture of a solvent, an iron salt and LiAlH 4 , and...
7001578 Family of discretely sized silicon nanoparticles and method for producing the same  
A family of discrete and uniformly sized silicon nanoparticles, including 1 (blue emitting), 1.67 (green emitting), 2.15 (yellow emitting), 2.9 (red emitting) and 3.7 nm (infrared emitting)...
6992298 Coated spherical silicon nanoparticle thin film UV detector with UV response and method of making  
A UV detector has a UV detection thin film of coated spherical silicon nanoparticles formed upon a substrate. The detector includes structures to bias the thin film. In preferred embodiments, a...
6984842 Silicon nanoparticle field effect transistor and transistor memory device  
A silicon nanoparticle transistor and transistor memory device. The transistor of the invention has silicon nanoparticles, dimensioned on the order of 1 nm, in a gate area of a field effect...
6977097 Particle forming methods  
A particle forming method includes feeding a first set of precursors to a first energy application zone. Energy is applied to the first set of precursors in the first energy application zone...
6974367 Chemical mechanical polishing process  
A chemical mechanical polishing process includes rotating at least one of a semiconductor substrate and polishing pad relative to the other. A chemical mechanical polishing slurry is provided...
6961499 Optical devices with engineered nonlinear nanocomposite materials  
The invention relates to an optical device. The optical device comprises a waveguide core and a nanocomposite material optically coupled to the waveguide core. The nanocomposite material includes a...
6929950 Microprojectile delivery system and particulate product  
The invention relates to a particulate product comprising at least one microprojectile; characterized in that the or at least one of the microprojectiles comprises silicon. The invention also...
6893333 Chemical mechanical polishing slurry  
A chemical mechanical polishing slurry includes liquid and abrasive solid components, with at least some of the abrasive solid component comprising individually non-homogeneous abrasive particles....
6846474 Silicon nanoparticle and method for producing the same  
Highly uniform 1 nm silicon nanoparticles are provided by the invention. The nanoparticles exhibit beneficial properties. They are a source of stimulated emissions. They may be suspended in...
6819845 Optical devices with engineered nonlinear nanocomposite materials  
The invention relates to an optical device. The optical device comprises a waveguide core and a nanocomposite material optically coupled to the waveguide core. The nanocomposite material includes a...
6803073 Particle forming method  
A submicron particle forming method includes feeding a first set of precursors to a first energy application zone. Energy is applied to the first set of precursors in the first energy application...
6794265 Methods of forming quantum dots of Group IV semiconductor materials  
The invention relates to a method of forming a quantum dot. A particle that includes a semiconductor material Y selected from the group consisting of Si and Ge is provided. Sound energy and light...
6746508 Nanosized intermetallic powders  
Nanoparticles of intermetallic alloys such as FeAl, Fe 3 Al, NiAl, TiAl and FeCoV exhibit a wide variety of interesting structural, magnetic, catalytic, resistive and electronic, and bar coding...
6743406 Family of discretely sized silicon nanoparticles and method for producing the same  
A family of discrete and uniformly sized silicon nanoparticles, including 1 (blue emitting), 1.67 (green emitting), 2.15 (yellow emitting), 2.9 (red emitting) and 3.7 nm (infrared emitting)...
6710366 Nanocomposite materials with engineered properties  
The invention relates to a nanocomposite material. The nanocomposite material comprises a matrix material and a plurality of quantum dots dispersed in the matrix material. The nanocomposite...
6597496 Silicon nanoparticle stimulated emission devices  
The invention concerns elemental silicon emission devices. Devices according to the invention use elemental silicon nanoparticles as a material from which stimulated emissions are produced. Silicon...
6585947 Method for producing silicon nanoparticles  
A method for producing the silicon nanoparticle of the invention is a gradual advancing electrochemical etch of bulk silicon. Separation of nanoparticles from the surface of the silicon may also be...
6456423 Silicon nanoparticle microcrystal nonlinear optical devices  
Harmonic incident radiation is obtained from a silicon nanoparticle microcrystal or microcrystal film. The preferred film comprises silicon nanoparticles, dimensioned on the order of one nanometer,...
6410934 Silicon nanoparticle electronic switches  
An electronic fast switch for operation at room temperature utilizing uniform silicon nanoparticles (˜1 nm with about 1 part per thousand exceeding 1 nm) between two conducting electrodes. The...
6368406 Nanocrystalline intermetallic powders made by laser evaporation  
A method of making intermetallic nanoparticles comprising subjecting a starting material to laser energy so as to form a vapor and condensing the vapor so as to form intermetallic nanoparticles....
6355271 Therapeutic calcium phosphate particles and methods of manufacture and use  
Novel calcium phosphate core particles, methods of making them, and methods of using them as vaccine adjuvants, as cores, as carriers of biologically active material, and as controlled release...
6254928 Laser pyrolysis particle forming method and particle forming method  
The invention comprises particle forming methods, laser pyrolysis particle forming methods, chemical mechanical polishing slurries, and chemical mechanical polishing processes. In but one preferred...
6136156 Nanoparticles of silicon oxide alloys  
Nanoparticles of silicon oxide alloys (i.e., oxides of SiMo, SiPt, and SiAl) are produced by laser vaporization of a silicon target and a target of a metal (i.e., Mo, Pt, or Al), in an oxygen...
6103379 Process for the preparation of microspheres and microspheres made thereby  
A process for the preparation of a microsphere comprising a coating composed of one or more silica nanoparticles layers, comprises the steps of: a) providing a microsphere of polymeric material,...
5891548 Encapsulated silica nanoparticles  
A curable silicone is used to encapsulate porous, photoluminescing silica nanoparticles having three-dimensional, web-like structures. The encapsulation protects the silica nanoparticles, preserves...
Matches 1 - 34 out of 34