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7615203 |
Single crystal diamond
A single crystal diamond grown by vapor phase synthesis, wherein when one main surface is irradiated with a linearly polarized light considered to be the synthesis of two mutually perpendicular...
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7595110 |
Polycrystalline diamond composite
An apparatus and method of forming a composite body including the steps of forming a diamond material layer having a first surface from diamond crystals having a nitrogen content of less than 100...
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7594968 |
Ultratough CVD single crystal diamond and three dimensional growth thereof
The invention relates to a single-crystal diamond grown by microwave plasma chemical vapor deposition that has a toughness of at least about 30 MPa m 1/2 . The invention also relates to a method of...
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7585366 |
High pressure superabrasive particle synthesis
An improved method for controlling nucleation sites during superabrasive particle synthesis can provide high quality industrial superabrasive particles with high yield and a narrow size...
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7585360 |
Stable aqueous suspension liquid of finely divided diamond particles, metallic film containing diamond particles and method of producing the same
An aqueous suspension liquid of finely divided diamond particles comprising 0.05 to 160 parts by weight of a finely divided diamond particles in 1000 parts of water, wherein; (i) the finely divided...
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7585341 |
Polishing material comprising diamond clusters
Diamond clusters are used as a polishing material of free abrading particles, each being a combination of artificial diamond particles having primary particle diameters of 20 nm or less and...
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7569205 |
Nanodiamond fractional and the products thereof
In certain embodiments, a method of processing detonation nanodiamonds to fractionate the detonation nanodiamonds involves, in order forming a combination of detonation nanodiamonds and a solvent,...
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7560086 |
Single crystal diamond having 12C, 13C, and phosphorous
Synthetic monocrystalline diamond compositions having one or more monocrystalline diamond layers formed by chemical vapor deposition, the layers including one or more layers having an increased...
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7547358 |
System and method for diamond deposition using a liquid-solvent carbon-transfer mechanism
A system and method for growing diamond crystals from diamond crystal seeds by epitaxial deposition at low temperatures and atmospheric and comparatively low pressures. A solvent is circulated (by...
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7534296 |
Electrically conductive diamond electrodes
An electrically conductive diamond electrode and process for preparation thereof is described. The electrode comprises diamond particles coated with electrically conductive doped diamond preferably...
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7517588 |
High abrasion resistant polycrystalline diamond composite
An apparatus and method of forming a composite body. The invention includes the steps of heating diamond crystals to a temperature about 1900° C. and simultaneously subjecting the diamond crystals...
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7498178 |
Carrier of a diamond fine particle for immobilizing virus
The present invention provides a carrier for immobilizing a bio-derived polymer, and especially, the present invention provides a carrier of diamond fine particle for immobilizing a DNA, RNA,...
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7481879 |
Diamond single crystal substrate manufacturing method and diamond single crystal substrate
A diamond single crystal substrate manufacturing method for growing by vapor-phase synthesis a single crystal from a diamond single crystal seed substrate, comprising etching away by reactive ion...
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7459024 |
Method of forming an N-type doped single crystal diamond
Synthetic monocrystalline diamond compositions having one or more monocrystalline diamond layers formed by chemical vapor deposition, the layers including one or more layers having an increased...
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7435296 |
Diamond bodies grown on SiC substrates and associated methods
The present invention provides methods of forming high quality diamond bodies under high pressure, and the diamond bodies produced by such methods. In one aspect, a method is provided for growing a...
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7407549 |
Diamond single crystal composite substrate and method for manufacturing the same
A diamond single crystal composite substrate which are constructed from a plurality of diamond single crystal substrates with uniform plane orientations disposed side by side and integrated overall...
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7404857 |
Superabrasive particle synthesis with controlled placement of crystalline seeds
An improved method for synthesizing superabrasive particles provides high quality industrial superabrasive particles with high yield and a narrow size distribution. The synthesis method includes...
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7399358 |
Synthesis of large homoepitaxial monocrystalline diamond
A method for producing a large homoepitaxial monocrystalline diamond. The method comprises placing at least two substrates in a substrate holder in a chemical vapor deposition (CVD) chamber. The...
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7393515 |
Fluorinated compound, water repellent composition and thin film
To provide a fluorinated compound, which can readily form a thin film having a hydrophobic/hydrophilic pattern, by employing an ultraviolet light having a relatively low energy. A thin film having...
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7371280 |
High pressure crystal growth apparatuses and associated methods
High pressure synthesis of various crystals such as diamond, cBN and the like can be carried out using reaction assemblies suitable for use in methods such as temperature gradient methods. The...
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7323156 |
High pressure/high temperature production of colorless and fancy-colored diamonds
The present invention is directed to a method for changing the color of colored natural diamonds. The method includes placing a discolored natural diamond in a pressure-transmitting medium which is...
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7323049 |
High pressure superabrasive particle synthesis
An improved method for controlling nucleation sites during superabrasive particle synthesis can provide high quality industrial superabrasive particles with high yield and a narrow size...
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7314540 |
Diamond-coated electrode and method for producing same
A diamond electrode having a sufficiently low resistance is disclosed which is realized by increasing the amount of boron added thereto. A method for producing a high-performance, high-durability...
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7312562 |
Heterodiamondoid-containing field emission devices
Novel heterodiamondoid-containing field emission devices (FED's) are disclosed herein. In one embodiment of the present invention, the heteroatom of the heterodiamondoid comprises an...
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7309477 |
Ultrahard diamonds and method of making thereof
A single crystal diamond grown by microwave plasma chemical vapor deposition annealed at pressures in excess of 4.0 GPa and heated to temperature in excess of 1500 degrees C. that has a hardness of...
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7309476 |
Diamondoid-based components in nanoscale construction
Novel diamondoid-based components that may be used in nanoscale construction are disclosed. Such components include rods, brackets, screws, gears, rotors, and impellers. Subassemblies (or...
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7306778 |
Diamond films and methods of making diamond films
The present invention provides films and substrates coated with films that comprise a nano-crystalline diamond matrix that is substantially free of graphite inclusions. The present invention also...
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7306674 |
Nucleation of diamond films using higher diamondoids
Novel uses of higher diamondoids are disclosed. Specifically, higher diamondoids may be used to nucleate diamond films and diamond-like carbon films. Such higher diamondoids include...
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7306671 |
Diamondoid-containing low dielectric constant materials
Novel uses of diamondoid-containing materials in the field of microelectronics are disclosed. Embodiments include, but are not limited to, thermally conductive films in integrated circuit...
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7276222 |
Diamondoid-containing thermally conductive materials
Novel uses of diamondoid-containing materials in the field of microelectronics are disclosed. Embodiments include, but are not limited to, thermally conductive films in integrated circuit...
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7273598 |
Diamondoid-containing materials for passivating layers in integrated circuit devices
Novel uses of diamondoid-containing materials in the field of microelectronics are disclosed. Embodiments include, but are not limited to, passivation films for integrated circuit devices (ICs)....
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7264675 |
Diamond manufacturing method
In a diamond manufacturing method, a melt of carbon and blue kimberlite is contained in a vessel at 1000° C. The vessel is pressurized by a gas of predominantly hydrogen to 200 atmospheres. A...
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7258741 |
System and method for producing synthetic diamond
Synthetic monocrystalline diamond compositions having one or more monocrystalline diamond layers formed by chemical vapor deposition, the layers including one or more layers having an increased...
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7255744 |
Low-resistivity n-type semiconductor diamond and method of its manufacture
Concerns lithium-doped diamond: Low-resistivity n-type semiconductor diamond doped with lithium and nitrogen, and a method of manufacturing such diamond are provided. Low-resistivity n-type...
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7241434 |
High pressure and high temperature production of diamonds
The present invention is directed to a method for treating discolored natural diamond, especially Type IIa diamond and Type IaA/B diamond with nitrogen as predominantly B centers, for improving its...
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7217347 |
Diamond electrode for electrolysis
A diamond electrode having a prolonged life by combining a conventional diamond electrode having a relatively short life with other components is provided. A diamond electrode for electrolysis...
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7201886 |
Single crystal diamond tool
Synthetic monocrystalline diamond compositions having one or more monocrystalline diamond layers formed by chemical vapor deposition, the layers including one or more layers having an increased...
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7192483 |
Method for diamond coating substrates
The present invention relates to a method for diamond coating of substrates in which the substrate is exposed in a vacuum atmosphere to a reactive gas mixture excited by means of a plasma...
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7172745 |
Synthesis of diamond particles in a metal matrix
Methods of synthesizing superabrasive particles such as diamonds and cubic boron nitride are disclosed and described. One procedure includes providing a superabrasive precursor including a source...
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7172655 |
Colored diamond
A method of producing a single crystal CVD diamond of a desired color which includes the steps of providing single crystal CVD diamond which is colored and heat treating the diamond under...
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7160617 |
Boron doped diamond
A layer of single crystal boron doped diamond produced by CVD and having a total boron concentration which is uniform. The layer is formed from a single growth sector, or has a thickness exceeding...
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7160529 |
Diamondoid-containing field emission devices
Novel uses of diamondoid-containing materials in the field of microelectronics are disclosed. Embodiments include, but are not limited to, thermally conductive films in integrated circuit...
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7157067 |
Tough diamonds and method of making thereof
A single crystal diamond grown by microwave plasma chemical vapor deposition has a hardness of 50–90 GPa and a fracture toughness of 11–20 MPa m 1/2 . A method for growing a single crystal...
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7131314 |
Material for diamond sintered body die and diamond sintered body die
To provide a diamond compact die semi-manufactured product and a diamond compact die that do not crack during die processing. A diamond compact die semi-manufactured product includes a diamond...
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7128889 |
Method to grow carbon thin films consisting entirely of diamond grains 3-5 nm in size and high-energy grain boundaries
An ultrananocrystalline diamond (UNCD) having an average grain size between 3 and 5 nanometers (nm) with not more than about 8% by volume diamond having an average grain size larger than 10 nm. A...
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7115241 |
Ultrahard diamonds and method of making thereof
A single crystal diamond grown by microwave plasma chemical vapor deposition annealed at pressures in excess of 4.0 GPa and heated to temperature in excess of 1500 degrees C. that has a hardness of...
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7101433 |
High pressure/high temperature apparatus with improved temperature control for crystal growth
A high temperature/high pressure (HP/HT) apparatus for converting feedstock housed in a capsule into product crystals, comprising at least two electrical heating paths for independent control of...
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7067097 |
Process for preparing a diamond substance
A process for producing a diamond substance with a first inner nozzle and a second outer nozzle. In the first step of the process, a first mixture comprised of oxygen and a hydrocarbon gas is...
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6982071 |
Thin-film magnetic recording media with dual intermediate layer structure for increased coercivity
Ion beam-deposited, nitrogen-doped C:H films having substantially lower resistivities than undoped ion beam-deposited C:H films and suitable for use as hard, abrasion-resistant overcoat layers for...
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6902716 |
Fabrication of single crystal diamond tips and their arrays
The present invention deals with the generation of sharp single crystal diamond tips and the arrays of these tips, and their fabrication technology. The invention combines the deposition of...
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