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7655208 Single crystalline diamond and producing method thereof  
The object of the present invention is to obtain a high quality single crystalline diamond that has less distortion and large area suitable for semiconductor device substrates or an optical...
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...
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...
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 m1/2. The invention also relates to a method of...
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...
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...
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,...
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...
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...
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...
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...
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,...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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)....
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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 m1/2. A method for growing a single crystal diamond...
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...
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...
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...
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...
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...
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...
6887144 Surface impurity-enriched diamond and method of making  
An element-doped diamond crystal is disclosed herein. The crystal includes at least one dopant element which has a greater concentration toward or near an outermost surface of the crystal than in...
6884290 Electrically conductive polycrystalline diamond and particulate metal based electrodes  
An electrically conducting and dimensionally stable diamond (12, 14) and metal particle (13) electrode produced by electrodepositing the metal on the diamond is described. The electrode is...