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6858080 Tunable CVD diamond structures  
Monocrystalline diamond, adapted for use as in applications such as semiconductor devices, optical waveguides, and industrial applications, in the form of a single crystalline diamond structure...
6835365 Crystal growth  
The invention provides a mass of crystals, particularly diamond crystals, having a size of less than 100 microns and in which mass the majority of the crystals are faceted single crystals. The...
6833027 Method of manufacturing high voltage schottky diamond diodes with low boron doping  
A method of making a Schottky diode comprising the steps of: providing a single crystal diamond comprising a surface; placing the single crystal diamond in a CVD system; heating the diamond to a...
6811612 Patterning of nanocrystalline diamond films for diamond microstructures useful in MEMS and other devices  
MEMS structure and a method of fabricating them from ultrananocrystalline diamond films having average grain sizes of less than about 10 nm and feature resolution of less than about one micron ....
6793849 N-type droping of nanocrystalline diamond films with nitrogen and electrodes made therefrom  
An electrically conducting n-type ultrananocrystalline diamond (UNCD) having no less than 1019 atoms/cm3 of nitrogen is disclosed. A method of making the n-doped UNCD. A method for predictably...
6783745 Fullene based sintered carbon materials  
A new class of carbon materials and their synthesis. The new carbon materials are formed by high pressure and high temperature processing of fullerene based carbon powder. The new carbon materials...
6682786 Liquid crystal display cell having liquid crystal molecules in vertical or substantially vertical alignment  
A liquid crystal display cell having liquid crystal molecules positioned in a vertical or a substantially vertical alignment is provided. The liquid crystal display cell includes at least two...
6676750 Growth of diamond clusters  
A diamond cluster includes a core and an overgrown region containing a plurality of diamond crystallites extending outwards from the core, the majority of the crystallites having a cross-sectional...
6656444 Methods for synthesizing high-efficiency diamond and material and diamond material produced thereby  
A method for making diamond material comprises providing a deposition chamber; placing a substrate in said deposition chamber; sealing and evacuating said deposition chamber; admitting to said...
6627168 Method for growing diamond and cubic boron nitride crystals  
An object of the present invention is to provide a method for producing diamond and cubic boron nitride crystals having excellent mechanical strength and high regularity in particle size with high...
6616725 Self-grown monopoly compact grit  
A self-grown monopoly compact grit and high pressure, high temperature process for preparing the same. The high pressure, high temperature sintered/synthesized monopoly compact grit is used in...
6592839 Tailoring nanocrystalline diamond film properties  
A method for controlling the crystallite size and growth rate of plasma-deposited diamond films. A plasma is established at a pressure in excess of about 55 Torr with controlled concentrations of...
6576211 Crystal-containing material  
A method of making a bonded, coherent material comprising a mass of crystals, preferably diamond crystals, in a matrix is provided. The steps include providing a source of the crystals of the type...
6572936 Hard carbon film-coated substrate and method for fabricating the same  
A hard carbon film-coated substrate is disclosed which has between a substrate and a hard carbon film an interlayer principally comprised of at least one selected from the group consisting of Al,...
6562292 Method for manufacturing high-pressure phase material  
The present invention relates to a method for manufacturing a highly purified diamond. In the method, a copper powder having purity 99.8% or more and having an acid-insoluble impurity...
6527854 Method for contact diffusion of impurities into diamond and other crystalline structures and products  
A low free energy method for more rapidly diffusing an impurity as exemplified by boron, into a natural or synthetic diamond or other crystalline element in powdered or granular form, without...
6500488 Method of forming fluorine-bearing diamond layer on substrates, including tool substrates  
A method of forming a fluorine-bearing diamond layer on non-diamond substrates, especially on tool substrates comprising a metal matrix and hard particles, such as tungsten carbide particles, in...
6497853 Diamond growth  
Diamond crystals may be grown by providing a source of diamond crystals, providing a plurality of growth centers defined by diamond crystals, mixing the source and growth center diamond crystals...
6383288 Method of forming diamond film  
A method of forming a diamond film includes synthesizing a diamond film on a surface of a substrate, where the surface of the substrate has trenches. The trenches inhibit delamination of the...
6342195 Method for synthesizing solids such as diamond and products produced thereby  
The present invention relates generally to methods for the synthesis of various solids such as diamonds, diamonds films, boron nitride and other similar materials. This invention specifically...
6340393 Method for synthesizing n-type diamond having low resistance  
In synthesizing a diamond by a vapor-phase growth method, a sputtering method, or a high-pressure and high-temperature synthesis method, N, P or As as an n-type dopant, and H as a p-type dopant...
6337060 Hydrophilic diamond particles and method of producing the same  
The principal objects of the invention is to provide diamond fine particles with a surface nature so improved as to form a stable, uniform suspension or dispersion in a common medium such as water...
6274837 Method and apparatus for in-situ solid state doping of CVD diamonds and diamonds so made  
The method of the present invention includes placing a solid dopant in or near the nozzle of a DC arc jet. According to one embodiment of the invention, the interior surface of an arc jet nozzle...
6270548 Sintering process for diamond and diamond growth  
A method of making a bonded, coherent material comprising a mass of diamond crystals in a matrix, which optionally contains another phase. The method includes the steps of providing a source of...
6248400 Vapor phase diamond synthesis method  
A DC plasma jet CVD process having a high film deposition rate is employed. A material having low adhesion with diamond is used for a substrate. A diamond film automatically peels from the...
6162412 Chemical vapor deposition method of high quality diamond  
Diamond having a large coefficient of thermal conductivity is prepared by a CVD method in which a reaction gas is decomposed and reacted under such condition that a concentration of carbon atoms...
6159604 Seed diamond powder excellent in adhesion to synthetic diamond film forming surface and dispersed solution thereof  
A diamond powder, comprises diamond powder particles, and polar and non-polar groups, bonded onto surfaces of the particles. This seed diamond powder and a dispersed solution thereof can be used...
6129900 Process for the synthesis of diamond  
PCT No. PCT/JP92/00149 Sec. 371 Date Oct. 14, 1992 Sec. 102(e) Date Oct. 14, 1992 PCT Filed Feb. 14, 1992 PCT Pub. No. WO92/14542 PCT Pub. Date Sep. 3, 1992A colorless and transparent,...
6126741 Polycrystalline carbon conversion  
A polycrystalline carbon body is converted to a different crystallography by directing an infrared laser beam at a crystal boundary interface. By using a beam having a 5.3 micron wavelength so as...
6111821 Transparent and scratchproof watch crystal and watch case fitted with such a crystal  
A transparent and scratchproof watch crystal, characterized in that it is made of polycrystalline diamond. The invention also concerns a watch case fitted with such a watch crystal.
6099639 Method for solid-state formation of diamond  
A method for solid state formation of diamond includes providing a diamond growth substrate, such as single-crystal silicon, forming on the diamond growth substrate an alloy of carbon and a metal...
6083354 Treatment method for diamonds  
The object of the present invention is to provide a treatment method to remove lattice defects and non-diamond elements that exist in a diamond or a diamond thin film.The treatment method whereby...
6083614 Method of producing a composite, more precisely a nanoporous body and a nanoporous body produced thereby  
The present invention is related to a method of producing a nanoporous body containing nanodiamonds and having a desired shape, comprising the steps of: forming an intermediate body having the...
6080378 Diamond films and methods for manufacturing diamond films  
Diamond films and novel method to grow the diamond films can improve the performance of products utilizing diamond films. In the cathodoluminescence taken at room temperature, the integrated...
6063187 Deposition method for heteroepitaxial diamond  
A method for the growth of diamond on a substrate combines an ECR (Electron cyclotron resonance) MPCVD (Microwave plasma chemical vapor deposition) method with a MPCVD method in one system. A...
6060118 CVD method of manufacturing diamond crystal  
There is provided a diamond crystal in which the (111) oriented plane is of the diamond crystal synthesized on a substrate by a chemical vapor deposition method parallel to a substrate surface,...
6051152 Process for making diamond and diamond-coated filaments  
Filamentous substrates are coated with diamond by a chemical vapor deposition process. The substrate may then be etched away to form a diamond filament, such as a diamond tube or a diamond fiber....
6051063 Diamond wafer and method of producing a diamond wafer  
A diamond wafer including a substrate and a (100) oriented polycrystalline diamond film grown on the substrate for making surface acoustic wave devices, semiconductor devices or abrasion-resistant...
6045768 Removal of carbon from particulate mixtures  
A process for selective removal of residual carbon, such as graphite, from a mixture also containing a valuable material, such as diamonds, by selective oxidation using a silver oxide doped on...
6030596 Synthesis of diamonds  
A method for making diamonds by heating a heterogeneous dispersion of carbon made by the pyrolisis of an organic material and copper metal in a convenient pressure vessel while maintained at a...
6030595 Process for the production of synthetic diamond  
A high purity synthetic diamond with less impurities, crystals defects, strains, etc. can be provided, in which the nitrogen content is at most 10 ppm, preferably at most 0.1 ppm and the boron...
6007916 Synthetic single crystal diamond for wiring drawing dies and process for producing the same  
A synthetic single crystal diamond for wire drawing die; the process of manufacturing it and a wire drawing die to utilize it are disclosed. At least one plane of the diamond for wire drawing die...
6001174 Method for growing a diamond crystal on a rheotaxy template  
A method to grow diamond crystal by an utilization of liquid template on which carbon precursor is deposited. The liquid template is to replace the conventional solid template to improve the...
5989511 Smooth diamond films as low friction, long wear surfaces  
An article and method of manufacture of a nanocrystalline diamond film. The nanocrystalline film is prepared by forming a carbonaceous vapor, providing an inert gas containing gas stream and...
5985446 Acetylenic carbon allotrope  
A fourth allotrope of carbon, an acetylenic carbon allotrope, is described. The acetylenic carbon allotropes of the present invention are more soluble than the other known carbon allotropes in...
5980982 Coated particles for synthesizing diamond and process for production of diamond abrasive for sawing  
A coated particle for synthesizing diamond includes: a single crystal of a fine diamond particle coated with at least one layer which contains at least one kind of solvent metal powder for...
5980852 Diamond synthesis  
A reaction vessel for use in producing large diamond crystals of good quality and yield includes a reaction volume and a reaction mass located in the volume. The reaction mass comprises a...
5964942 Wafer and method of producing same  
No wide bulk diamond wafer exists at present. A wide diamond-coated wafer is proposed instead of the bulk diamond wafer. Diamond is heteroepitaxially deposited on a convex-distorted non-diamond...
5961719 Nucleation of diamond films using an electrode  
Method and apparatus are disclosed for growing diamond films on a non-diamond substrate, such as a silicon wafer. The substrate surface is subjected to nucleation by means of a microwave-generated...
5961717 Synthesis of phosphorus-doped diamond  
A synthesis of phosphorus-doped diamond by a microwave plasma method using a volatile hydrocarbon and hydrogen mixed therewith, as a reaction gas, wherein phosphorus is used as a dopant, and...