Did You Know...
...that on Dec. 15, 1836, the Patent Office was completely destroyed by fire? Lost were some 7,000 models, 9,000 drawings, and 230 books plus all records of patent applications and grants.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8110171 | Method for decolorizing diamonds A method for changing the color of a diamond. The method comprises placing the diamond in a substrate holder in a chemical vapor deposition (CVD) equipment. The CVD equipment is maintained at pressures near or below atmospheric pressure. A mixture of gases including... | 02/07/2012 |
| 8071066 | Method and apparatus for improving the quality of diamonds and other gemstones The present disclosure relates to methods for improving the quality of diamonds by eliminating internal defects, such as cracks and vacant volumes, without the use of filler materials such as glass, thereby improving the diamond's optical performance or appearance. ... | 12/06/2011 |
| 8057775 | 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 including a polycrystalline diamond table comprising such PCD materials. ... | 11/15/2011 |
| 8021639 | Method for rapidly synthesizing monolithic polycrystalline diamond articles A method for rapidly synthesizing polycrystalline diamond, includes the steps of machining a large monolithic graphite piece, placing the starting graphite piece in direct contact with an activator piece composed of a nickel-base alloy, and subjecting the contacting... | 09/20/2011 |
| 8007754 | 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 in diamond ore slurry to at least partially remove hydrophilic coatings... | 08/30/2011 |
| 7910083 | Coloured diamond A diamond layer of single crystal CVD diamond which is coloured, preferably which has a fancy colour, and which has a thickness of greater than 1 mm. ... | 03/22/2011 |
| 7883684 | Colorless single-crystal CVD diamond at rapid growth rate The present invention relates to a method for producing colorless, single-crystal diamonds at a rapid growth rate. The method for diamond production includes controlling temperature of a growth surface of the diamond such that all temperature gradients across the gr... | 02/08/2011 |
| 7867467 | Nanodiamond and a method for the production thereof The invention relates to carbon chemistry and is embodied in the form of a nanodiamond comprising 90.0-98.0 mass % carbon, 0.1-5.0 mass % hydrogen, 1.5-3.0 mass % nitrogen and 0.1-4.5 mass % oxygen, wherein the carbon is contained in the form a diamond cubic modific... | 01/11/2011 |
| 7862792 | Diamond-carbon material and a method for the production thereof The invention relates to carbon chemistry and is embodied in the form of a diamond-carbon material, in which carbon is contained in the form a diamond cubic modification and in a roentgen-amorphous phase at a ratio of (40-80):(60-20) in terms of a carbon mass, respe... | 01/04/2011 |
| 7820130 | Functionalization of nanodiamond powder through fluorination and subsequent derivatization reactions The present invention is directed to functionalized nanoscale diamond powders, methods for making such powders, applications for using such powders, and articles of manufacture comprising such powders. Methods for making such functionalized nanodiamond powders gener... | 10/26/2010 |
| 7820131 | Diamond uses/applications based on single-crystal CVD diamond produced at rapid growth rate The present invention is directed to new uses and applications for colorless, single-crystal diamonds produced at a rapid growth rate. The present invention is also directed to methods for producing single crystal diamonds of varying color at a rapid growth rate and... | 10/26/2010 |
| 7807126 | Diamond single crystal substrate A method for manufacturing a diamond single crystal substrate, in which a single crystal is grown from a diamond single crystal serving as a seed substrate by vapor phase synthesis, said method comprising: preparing a diamond single crystal seed substrate which has ... | 10/05/2010 |
| 7771693 | Diamond single crystal substrate manufacturing method 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 etching, prior to single crystal growth, at least 0.5 μm and less tha... | 08/10/2010 |
| 7767184 | 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 provides a method of chemical vapor deposition to prepare the films. T... | 08/03/2010 |
| 7754179 | 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 source, such as coal, is subjected to addition of energy, such as high e... | 07/13/2010 |
| 7754180 | 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 greater than 120 GPa. A method for manufacture a hard single crystal... | 07/13/2010 |
| 7740824 | Optical quality diamond material A CVD single crystal diamond material suitable for use in, or as, an optical device or element. It is suitable for use in a wide range of optical applications such as, for example, optical windows, laser windows, optical reflectors, optical refractors and gratings, ... | 06/22/2010 |
| 7713507 | 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 includes placing a seed diamond in a holder; and growing sin... | 05/11/2010 |
| 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 component material. The present invention is a single crystalline diamond pr... | 02/02/2010 |
| 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 linearly polarized light beams, the phase difference between the two mut... | 11/10/2009 |
| 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, said solvent containing at least approximately 10% DMSO (v/v), applyi... | 08/04/2009 |
| 7560086 | Single crystal diamond having C, C, 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 concentration of one or more impurities (such as boron and/or isotopes o... | 07/14/2009 |
| 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 diamond body, including providing a non-particulate silicon carbide ... | 10/14/2008 |
| 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 by growing diamond single crystals thereon by vapor phase synthesis,... | 08/05/2008 |
| 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 forming a substantially homogeneous mixture of raw material and catalys... | 07/29/2008 |
| 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 substrates are positioned in such a manner that the growth faces of the... | 07/15/2008 |
| 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 a hydrophobic/hydrophilic pattern is formed by irradiating a t... | 07/01/2008 |
| 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 reaction assembly can be oriented substantially perpendicular to gravity ... | 05/13/2008 |
| 7368723 | Diamond radiation detector A method of detecting radiation that includes providing a layer of high purity single crystal CVD diamond, applying an electric field of no greater than 0.5 V/μm to the layer, exposing the layer to the radiation thereby generating a signal, and detecting the signal... | 05/06/2008 |
| 7368013 | 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 can include forming a growth precursor of a substantially homogeneous mixture of... | 05/06/2008 |
| 7353893 | Tool with a large volume of a superhard material In one aspect of the invention, a tool has a wear-resistant base suitable for attachment to a driving mechanism and also a hard tip attached to an interfacial surface of the base. The tip has a first cemented metal carbide segment bonded to a superhard material at a... | 04/08/2008 |
| 7348286 | Ceramic composite material and method of its manufacture Ceramic composite material that has excellent mechanical properties within a range from room temperature to high temperature and high die release with respect to glass, resins, ceramics, and similar substances. The ceramic composite material is composed of a ceramic... | 03/25/2008 |
| 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 consolidated into a pill. Next, the pill is placed into a high press... | 01/29/2008 |
| 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 distribution. The synthesis method can include forming a raw material layer, for... | 01/29/2008 |
| 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 electrode is also disclosed by which adhesiveness between a diamond co... | 01/01/2008 |
| 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 electron-donating species (such as nitrogen) as part of the cathode or electron-emi... | 12/25/2007 |
| 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 greater than 120 GPa. A method for manufacture a hard single crystal... | 12/18/2007 |
| 7309526 | Diamond like carbon coating on nanofillers In one embodiment the present invention provides for a diamond like coating on small particles. This comprises small particles 10 in the size range of approximately 1-1000 nm and a diamond like coating on the small particles. The diamond like coating is distr... | 12/18/2007 |
| 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 subsystems) may comprise one or more diamondoid components. Exemplary subassem... | 12/18/2007 |
| 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 packaging, low-k dielectric layers in integrated circuit multilevel interconne... | 12/11/2007 |
