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US20110151226 SYNTHETIC CVD DIAMOND  
The present disclosure relates to methods for synthesizing synthetic CVD diamond material and high quality synthetic CVD diamond materials.
US20150125379 METHOD OF PURIFYING NANODIAMOND POWDER AND PURIFIED NANODIAMOND POWDER  
A method of purifying a nanodiamond powder includes preparing the nanodiamond powder, heating the nanodiamond powder at between 450° C. and 470° C. in an atmosphere including oxygen, performing a...
US20140004031 METHOD OF PURIFYING NANODIAMOND POWDER AND PURIFIED NANODIAMOND POWDER  
A method of purifying a nanodiamond powder includes preparing the nanodiamond powder, heating the nanodiamond powder at between 450° C. and 470° C. in an atmosphere including oxygen, performing a...
US20110031034 POLYCRYSTALLINE COMPACTS INCLUDING IN-SITU NUCLEATED GRAINS, EARTH-BORING TOOLS INCLUDING SUCH COMPACTS, AND METHODS OF FORMING SUCH COMPACTS AND TOOLS  
Polycrystalline compacts include hard polycrystalline materials comprising in situ nucleated smaller grains of hard material interspersed and inter-bonded with larger grains of hard material. The...
US20120011779 POLYCRYSTALLINE DIAMOND MATERIALS AND RELATED PRODUCTS  
Embodiments relate to methods of fabricating PCD materials by subjecting a mixture that exhibits a broad diamond particle size distribution to an HPHT process, PCD materials so-formed, and PDCs...
US20060251566 Separation of diamond from gangue minerals  
The present invention relates to a method for separating diamond from gangue minerals. In particular, this method relates to the addition of a first reagent or reagents which contact the diamond...
US20150060699 AUTHENTICATION SYSTEMS EMPLOYING FLUORESCENT DIAMOND PARTICLES  
Authentication systems for products employing populations containing particles of diamonds that have fluorescent emissions of various wavelengths, intensities and durations are described. By...
US20090188170 METHOD OF PRODUCING 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...
US20050086870 Diamond polishing particles and method of producing same  
Polishing particles are made of artificial diamond produced by a shock method, having density of 3.0-3.35 g/cm3 and including secondary particles with average particle diameter of 30 nm-500 nm....
US20090175776 FINE POWDER OF SINGLE CRYSTALLINE DIAMOND PARTICLES AND A METHOD FOR THE PRODUCTION THEREOF  
An object of this invention is to provide a fine powder of diamond particles of less than 50 nm with a narrow particle size range. The diamond is single crystalline and characterized with a lot of...
US20100326135 DIAMOND MATERIAL  
A method of making fancy orange synthetic CVD diamond material is described. The method comprises irradiating a single crystal diamond material that has been grown by CVD to introduce isolated...
US20100329965 DIAMOND MATERIAL  
A method of making fancy pale blue or fancy pale blue/green CVD diamond material is described. The method comprises irradiating single crystal diamond material that has been grown by a CVD process...
US20120315212 DIAMOND PARTICLES AND METHOD FOR OBTAINING DIAMOND PARTICLES FROM AGGREGATE STRUCTURES  
A method for obtaining diamond particles from aggregate structures which contain diamond particles with an average particle diameter of less than 10 nm. The aggregate structures are heated under a...
US20120051996 DIAMOND MATERIAL  
Single crystal diamond having a high chemical purity i.e. a low nitrogen content and a high isotopic purity i.e. a low 13C content, methods for producing the same and a solid state system...
US20070053823 Technique of production of fancy red diamonds  
The invention relates to the treatment (enhancement) of diamonds in order to give them different colors and can be used by the gem and jewelry trade. The technique consists in producing isolated...
US20100055022 DIAMOND IDENTIFIER  
Diamonds are embedded with one or more layers representative of an identifier. The identifier may include encoding in the form of defects created in one or more layers in a recognizable pattern,...
US20150191850 SINGLE CRYSTAL DIAMOND AND DIAMOND TOOL  
A single crystal diamond (10) is provided as a single crystal diamond into which a defect portion (11) is introduced. The defect portion (11) can be detected by a phase difference occurring when...
US20110014112 METHOD FOR GROWING MONOCRYSTALLINE DIAMONDS  
A method of forming mono-crystalline diamond by chemical vapour deposition, the method comprising the steps of: (a) providing at least one diamond seed; (b) exposing the seed to conditions for...
US20100329962 DIAMOND MATERIAL  
A method of introducing NV centres in single crystal CVD diamond material is described. One step of the method comprises irradiating diamond material that contains single substitutional nitrogen...
US20120213939 Enhanced Electro And Electroless Plating Method And The Plating Thereof  
The present invention provides an enhanced plating for electro and electroless plating. There is provided a method of plating a surface to be plated, the method comprises premixing a plating...
US20150259213 Diamond Unit Cell and Diamond Mass by Combinatorial Synthesis  
Diamond unit cell produced by a combinatorial synthesis from a tetrahedranoidal compound and a carbon atom, and diamond mass produced therefrom, are described. Diamond mass produced is...
US20150166349 METHOD FOR CONVERTING POLY(HYDRIDOCARBYNE) INTO DIAMOND-LIKE CARBON  
A low temperature method for converting poly(hydrocarbyne) into diamond-like carbon is based on removing pendant hydrogen using chemical or electrochemical means.
US20120003479 SURFACE MODIFICATION OF NANO-DIAMONDS AND MANUFACTURING METHOD THEREOF  
The invention is related to a technique that grafts polymer onto a surface of nano-diamonds, and the invention further provides applications relating to modification and dispersion of the...
US20060035788 Superconductivity in boron-doped diamond thin film  
A heavily boron-doped diamond thin film having superconductivity is deposited by chemical vapor deposition using gas mixture of at least carbon compound and boron compound, including hydrogen. An...
US20070148080 LOWER PRESSURE SYNTHESIS OF DIAMOND MATERIAL  
Methods of synthesizing a diamond material, particularly nanocrystalline diamond, diamond-like carbon and bucky diamond are provided. In particular embodiments, a composition including a carbon...
US20090285744 Process For Producing Fine Diamond and Fine Diamond  
The present invention relates to a process for producing a fine diamond characterized by that an explosive composition containing a compound having an aliphatic hydrocarbon ring with 4 to 15...
US20090110626 Low Pressure Method of Annealing Diamonds  
The present invention relates to method of improving the optical properties of diamond at low pressures and more specifically to a method of producing a CVD diamond of a desired optical quality...
US20080073126 POLYCRYSTALLINE DIAMOND COMPOSITES  
Polycrystalline diamond composites comprise a polycrystalline diamond body having a plurality of ultra-hard discrete regions dispersed within a polycrystalline diamond second region. The plurality...
US20070036896 Mosaic diamond substrates  
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 may include for joining...
US20120258035 POLYCRYSTALLINE DIAMOND AND METHOD OF MANUFACTURING THE SAME  
Polycrystalline diamond includes cubic diamond and hexagonal diamond, and a ratio of X-ray diffraction peak intensity of a (100) plane of the hexagonal diamond to X-ray diffraction peak intensity...
US20060115408 Superfine particulate diamond sintered product of high purity and high hardness and method for production thereof  
Disclosed is a high-purity high-hardness ultrafine-grain diamond sintered body having a grain size of 100 nm or less, which is produced by subjecting an ultrafine-grain natural diamond powder...
US20120032116 METHOD OF PRODUCING DIAMOND POWDER AND DOPED DIAMONDS  
A method for producing a diamond material by contacting a fluorinated precursor with a hydrocarbon in a reactor and forming a combination in the absence of a metal catalyst; increasing the...
US20120195819 METHOD AND SYSTEM TO PRODUCE LARGE PARTICLE DIAMOND  
The invention provides methods and systems for producing large size diamonds. The methods include using carbon containing gases and supplementary gases to form reaction zones that are suitable for...
US20050189279 Stationary phase for liquid chromatography using chemically modified diamond surfaces  
Hydrophilic diamond surfaces comprise surface oxygen bonded onto diamond surface only through oxygen/carbon single bond. The hydrophilic diamond surfaces are treated with strong reductant (e.g.,...
US20140170055 POLYCRYSTALLINE DIAMOND AND MANUFACTURING METHOD THEREOF  
Nano polycrystalline diamond is composed of carbon and a plurality of impurities other than carbon. A concentration of each of the plurality of impurities is not higher than 0.01 mass %, and the...
US20130202518 SINGLE CRYSTAL DIAMOND PREPARED BY CVD  
A single crystal diamond prepared by CVD and having one or more electronic characteristics; making the diamond suitable for electronic applications. Also provided is a method of making the single...
US20130143022 METHOD FOR PRODUCING DIAMOND LAYERS AND DIAMONDS PRODUCED BY THE METHOD  
The present invention relates to a method for producing diamond layers, wherein firstly, in a first growing step, diamond is grown on a growing surface of a off axis or a off-axis heterosubstrate...
US20120312227 MULTI-HEATER SYSTEM FOR GROWING HIGH QUALITY DIAMOND AND A METHOD FOR GROWING THE SAME  
Disclosed herein is an apparatus and method for growing a diamond. The apparatus for growing a diamond comprises: a reaction cell that is configured to grow the diamond therein; a main heater...
US20060251567 Methods of forming polycrystalline bodies using rhombohedral graphite materials  
Methods of synthesizing polycrystalline bodies using rhombohedral graphite materials are disclosed and described. One procedure includes providing a particulate graphite source having a majority...
US20080145299 Personalized Synthetic Diamond of Different Colours, Obtained From (Living or Dead) Human or Animal Keratin and Production Method Thereof  
The present invention refers to the provision of a process to manufacture large diamond monocrystals of different colors from carbon obtained from the keratin contained in the ectoderm of many...
US20140065424 METHOD TO PRODUCE LIGHT-EMITTING NANO-PARTICLES OF DIAMOND  
Method to produce diamonds containing Nitrogen-Vacancy centres from diamonds grown by a high pressure and high temperature process and containing isolated substitutional nitrogen,...
US20120076717 Separation of Diamond from Gangue Minerals  
The present invention relates to a method for separating diamond from gangue minerals. In particular, this method relates to the addition of a first reagent or reagents which contact the diamond...
US20100329961 DIAMOND MATERIAL  
Starting from a diamond material which shows a difference in its absorption characteristics after exposure to radiation with an energy of at least 5.5 eV (typically UV radiation) and thermal...
US20090127566 Method of Selectively Forming Atomically Flat Plane on Diamond Surface, Diamond Substrate Produced by The Method, and Semiconductor Device Using The Same  
[Object] The present invention provides a method of selectively forming a flat plane on an atomic level on a diamond (001), (110) or (111) surface.[Means for Solving Problems]A method of...
US20150182624 USE OF NANODIAMONDS FOR GENERATING FREE RADICALS FOR THERAPEUTIC PURPOSES UNDER RADIATION  
The present invention relates to the use of nanodiamonds as drugs generating free radicals, in particular for treating tumours. The invention is based on generating free radicals on the surface of...
US20110280790 Production of Large, High Purity Single Crystal CVD Diamond  
The invention relates to single crystal diamond with optical quality and methods of making the same. The diamond possesses an intensity ratio of the second-order. Raman peak to the fluorescence...
US20110150745 SINGLE CRYSTAL DIAMOND MATERIAL  
A method of producing a grown single crystal diamond substrate comprising: (a) providing a first diamond substrate which presents a (001) major surface, which major surface is bounded by at least...
US20090016950 Terrestrial lightning-powered magnetic organized single crystal diamond blocks: The forces of nature to form the beautiful gem  
The new century thrives for the synthesis of larger single crystal diamond blocks for various engineering applications and esthetic marvel. This invention makes use of triggered lightning bolts...
US20090260895 Polycrystalline diamond materials, methods of fabricating same, and applications using same  
Embodiments relate to methods of fabricating PCD materials by subjecting a mixture that exhibits a broad diamond particle size distribution to a HPHT process, PCD materials so-formed, and PDCs...
US20110225896 METHODS OF FABRICATING POLYCRYSTALLINE DIAMOND ELEMENTS AND COMPACTS USING SP2-CARBON-CONTAINING PARTICLES  
Methods of fabricating polycrystalline diamond elements and compacts using sp2-carbon-containing particles are disclosed. In an embodiment, a method of fabricating a polycrystalline diamond...

Matches 1 - 50 out of 167 1 2 3 4 >