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This page is updated frequently with new Diamond-related patent applications. Subscribe to the Diamond RSS feed to automatically get the update: related Diamond RSS feeds. RSS updates for this page: Diamond RSS RSS


Display lighting

Display lighting

Computer-implemented method of and system for teaching an untrained observer to evaluate a gemstone

Sarine Color Technologies

Computer-implemented method of and system for teaching an untrained observer to evaluate a gemstone

Date/App# patent app List of recent Diamond-related patents
01/22/15
20150023830
 Diamond metal composite patent thumbnailnew patent Diamond metal composite
The present invention relates to a method for producing diamond-metal composites including mixing diamond particles with metal-filler particles forming a diamond/metal-filler mixture, forming a green body of the diamond/metal-filler mixture, optionally green machining the green body to a work piece before or after pre-sintering by heating the green body to a temperature <500° c., infiltrating the green body or the work piece with one or more wetting elements or infiltrating the green body or the work piece with one or more wetting alloys, which infiltration step being carried out under vacuum or in an inert gas atmosphere at a pressure <200 bar. The invention relates further to a green body, a diamond metal composite, and use of the diamond metal composite..
Alfa Laval Corporate Ab
01/22/15
20150023006
 Display lighting patent thumbnailnew patent Display lighting
A lighting system (1) for display cases (2), namely jewelry display cases, comprising a strip of lights (3) that move back and forth or oscillate in a predetermined motion to create a sparkling effect on diamonds and other gem stones.. .
01/22/15
20150022801
 Computer-implemented  and system for teaching an untrained observer to evaluate a gemstone patent thumbnailnew patent Computer-implemented and system for teaching an untrained observer to evaluate a gemstone
A computer-implemented method teaches a user to evaluate a gemstone, such as a cut diamond. The method includes providing a computer system connected to an apparatus capable of capturing an image of a gemstone.
Sarine Color Technologies Ltd.
01/22/15
20150021101
 Polycrystalline diamond materials having improved abrasion resistance, thermal stability and impact resistance patent thumbnailnew patent Polycrystalline diamond materials having improved abrasion resistance, thermal stability and impact resistance
Pcd materials comprise a diamond body having bonded diamond crystals and interstitial regions disposed among the crystals. The diamond body is formed from diamond grains and a catalyst material at high pressure/high temperature conditions.
Smith International, Inc.
01/22/15
20150020544
 Cushion shaped hearts and arrows gemstone and method patent thumbnailnew patent Cushion shaped hearts and arrows gemstone and method
A cushion cut diamond and method for polishing a diamond to form a cushion cut which will display a hearts and arrows pattern characteristic of the true hearts and arrows pattern in a round cut diamond when subjected to light. The cushion cut is formed by polishing a diamond into a symmetrical rounded shaped geometry having four curvilinear long sides and four curvilinear corner sides of equal radius with the four curvilinear corner sides interconnecting the four curvilinear long sides to form the rounded shape; forming 4 main crown facets of substantially equal geometry and dimension symmetrically positioned on the four long sides of the diamond with the 4 main crown facets on the four corner sides being equal in geometry and dimension and symmetrically positioned on the four corner sides and further comprising a table facet, 8 crown star facets on the main crown sides adjacent the table facet; 16 crown halve facets.
Worldwide Diamond Trademarks Ltd.
01/22/15
20150020418
 Cutting blade apparatus and methods patent thumbnailnew patent Cutting blade apparatus and methods
A cutting blade includes a blade body with one or more cutting elements positioned along its periphery. The elements preferably are keyed to the blade, to help provide secure mounting onto the blade, and include a poly-chrystalized diamond cutting surface..
01/15/15
20150018254
 Sliding element for use in internal combustion engine patent thumbnailSliding element for use in internal combustion engine
A sliding element for use in an internal combustion engine may include a ferrous base having a peripheral sliding surface covered by a protective surface layer, the protective surface layer including at least one nitride applied via at least one of physical vapour deposition and a nitrided layer. The peripheral sliding surface may have a diamond like carbon (dlc) coating disposed thereon.
Mahle International Gmbh
01/15/15
20150017468
 Coated tool and methods of making and using the coated tool patent thumbnailCoated tool and methods of making and using the coated tool
An example of the coated tool disclosed herein includes a substrate, a metal layer established on the substrate, a continuous metal carbide layer established on the metal layer, and a smooth, continuous, terminated diamond like carbon (dlc) layer established on the metal carbide layer. The dlc layer is to prevent metal, from a workpiece upon which the tool is to act, from adhering to the tool..
Gm Global Technology Operations Llc
01/15/15
20150016853
 Fixing apparatus and image forming apparatus patent thumbnailFixing apparatus and image forming apparatus
A fixing apparatus includes a first member that is heated by a heat source and is rotatable; a second member that is rotatable, the second member forming a nip portion capable of sandwiching a recording material between the first member and the second member; and a pressure member that is disposed inside the first member, has a surface coming into contact with an inner surface of the first member, and pressurizes the first member against the second member, in which the pressure member has a surface layer forming the surface of the pressure member coming into contact with the inner surface of the first member, and the surface layer includes a diamond-like carbon film having an sp3 bond ratio of 40% or more and 90% or less.. .
Canon Kabushiki Kaisha
01/15/15
20150015111
 Sliding contact member, and dc motor and generator using said sliding contact member patent thumbnailSliding contact member, and dc motor and generator using said sliding contact member
The present invention is a sliding contact member, including a powder compact portion that contains an electrically conductive diamond and an electrically conductive binder, and is provided at least on a sliding contact surface of either or both of two sliding contact members slidably in contact with each other. The sliding contact members are applied to dc motors, generators and the like..
Nissan Motor Co., Ltd.
01/15/15
20150014707

Method for producing a mos stack on a diamond substrate


The invention relates to a method for producing a component comprising a conductive grid insulated from a semiconductor monocrystalline diamond substrate by an insulating region, comprising the following steps: a) oxygenating the surface of the substrate so as to replace the hydrogen surface terminations of the substrate with oxygen surface terminations; and b) forming the insulating region on the surface of the substrate by repeated monatomic layer deposition.. .
Universite Joseph Fourier
01/15/15
20150014569

Coating arrangement for sliding actuator assembly and method


A coated valve assembly includes a sleeve having a sleeve outer surface and a sleeve inner surface. Also included is a spool having a spool outer surface.
Hamilton Sundstrand Corporation
01/15/15
20150014067

Cutter protection during leaching process


A method of forming a thermally stable cutting element may include providing a cutting element including a substrate fixed to a polycrystalline diamond cutting table; enclosing the substrate and at least a portion of the polycrystalline diamond cutting table within a protective element to form a partially enclosed cutting element; exerting a compressive squeeze on the cutting element of about 5-25%; and exposing the partially enclosed cutting element to a leaching solution so that at least part of an unenclosed portion of the polycrystalline diamond table is in contact with the leaching solution.. .
Smith International, Inc.
01/15/15
20150013234

Use of surface modified diamond to manufacture polycrystalline diamond


A superabrasive blank and a method of making the superabrasive blank are disclosed. A superabrasive blank may comprise a plurality of polycrystalline superabrasive particles made of surface modified superabrasive particles.
Diamond Innovations, Inc.
01/08/15
20150011068

Finfet device having a channel defined in a diamond-like shape semiconductor structure


The present disclosure provides a finfet device. The finfet device comprises a semiconductor substrate of a first semiconductor material; a fin structure of the first semiconductor material overlying the semiconductor substrate, wherein the fin structure has a top surface of a first crystal plane orientation; a diamond-like shape structure of a second semiconductor material disposed over the top surface of the fin structure, wherein the diamond-like shape structure has at least one surface of a second crystal plane orientation; a gate structure disposed over the diamond-like shape structure, wherein the gate structure separates a source region and a drain region; and a channel region defined in the diamond-like shape structure between the source and drain regions..
Taiwan Semiconductor Manufacturing Company, Ltd.
01/08/15
20150010631

Immune-modifying nanoparticles for the treatment of inflammatory diseases


The current invention involves the administration of negatively charged particles, such as polystyrene, plga, or diamond particles, to subjects to ameliorate inflammatory immune responses. Additionally, the present invention describes methods of treating inflammatory diseases by administering these same negatively charged particles..
Cour Pharmaceuticals Development Company
01/08/15
20150008048

Coated particles and related methods


Cutting elements earth-boring tools may include a substrate and a polycrystalline diamond table secured to the substrate. At least a portion of the polycrystalline diamond table may be formed from a plurality of core particles comprising a diamond material and having an average diameter of between 1 μm and 500 μm.
Baker Hughes Incorporated
01/08/15
20150008047

Polycrystalline compacts including crushed diamond nanoparticles, cutting elements and earth boring tools including such compacts, and methods of forming same


A polycrystalline compact comprises a plurality of diamond grains of micron size, submicron size, or both, and a plurality of crushed diamond nanoparticles disposed in interstitial spaces between the plurality of diamond grains. A method of forming a polycrystalline compact comprises combining a plurality of micron and/or submicron-sized diamond grains and a plurality of crushed diamond nanoparticles to form a mixture and sintering the mixture in a presence of a binder to form a polycrystalline hard material comprising a plurality of inter-bonded diamond grains and diamond nanoparticles.
Baker Hughes Incorporated
01/08/15
20150007990

Drilling fluids


An improvement over known hydraulic fracturing fluids. Boundary layer kinetic mixing material is added to components of fracturing fluid wherein kinetic mixing material is a plurality of particles wherein at least 25% of particles are several types, i.e., having surface characteristics of thin walls, three dimensional wedge-like sharp blades, points, jagged bladelike surfaces, thin blade surfaces, three-dimensional blade shapes that may have shapes similar to a “y”, “v” or “x” shape or other geometric shape, slightly curved thin walls having a shape similar to an egg shell shape, crushed hollow spheres, sharp bladelike features, 90° corners that are well defined, conglomerated protruding arms in various shapes, such as cylinders, rectangles, y-shaped particles, x-shaped particles, octagons, pentagon, triangles, and diamonds.
Ecopuro, Llc
01/08/15
20150007505

Method of making diamond mining core drill bit and reamer


A method of making a combination tool including a mining drill bit and reamer. The combination tool includes drill bit body having a plurality of cutting segments attached thereto, a reamer body having a plurality of reaming segments attached thereto, and the drill bit body and the reamer body being configured to selectively attach to the one another.
Diamond Products, Limited
01/01/15
20150004890

Nickel coated diamond particles and making said particles


A method of evenly coating small abrasive particles, specifically a method of coating diamond particles≦10 μm with nickel, and an abrasive article containing the coated abrasive particles, for example, a fixed diamond wire. The method includes applying ultrasonic energy to the plating bath and adjusting the power of the ultrasonic energy that a non-agglomeration factor (naf) of the batch of abrasive particle is at least about 0.9, the non-agglomeration factor defined as a ratio (d50sa/d50b), wherein d50b represents the median particle size of the coated abrasive particles and d50sa represents the median particle size of the abrasive particles prior to coating..
Saint-gobain Ceramics & Plastics, Inc.
01/01/15
20150004363

Coated article and making same


A coated article includes a substrate and a diamond-like carbon layer formed on the substrate. The diamond-like carbon layer has a plurality of nano-sized bumps on its outer surface.
Shenzhen Futaihong Precision Industry Co., Ltd.
01/01/15
20150004362

Multilayered coatings with diamond-like carbon


Multilayered coatings include an adhesion base layer that can adhere to a metal substrate, and a top surface layer that has a surface roughness of less than or equal to about ra 0.0254 μm, wherein at least one of the layers comprises a diamond-like carbon.. .
General Electric Company
01/01/15
20150004328

Manufacturing magnetic recording medium


A manufacturing method for a magnetic recording medium which includes a magnetic layer, a lower protective layer, an upper protective layer and a lubricating layer on a substrate, and in which the total film thickness of the lower protective layer and the upper protective layer is 2.5 nm or less, includes: 1) depositing the lower protective layer; 2) performing oxygen plasma treatment on the lower protective layer; 3) depositing the upper protective layer; and 4) performing nitrogen plasma treatment on the upper protective layer. It is preferable that the lower protective layer and the upper protective layer are formed of a carbonvery easy to use vvery eas-based material, and it is further more preferable that the lower protective layer and the upper protective layer are formed of diamond-like carbon.
Fuji Electric Co., Ltd.
01/01/15
20150001422

Wide-field imaging using nitrogen vacancies


Nitrogen vacancies in bulk diamonds and nanodiamonds can be used to sense temperature, pressure, electromagnetic fields, and ph. Unfortunately, conventional sensing techniques use gated detection and confocal imaging, limiting the measurement sensitivity and precluding wide-field imaging.
Massachusetts Institute Of Technology
01/01/15
20150000700

Effervescent cleaning composition comprising diamond powder having dv50 of less than 40micrometer


A composition which effervesces when added to water, comprises diamond particles with a median equivalent volumetric diameter (dv50) of less than 40 μm. The compositions are useful as cleaning compositions, particularly for cleaning diamonds..
Df&g Ltd
01/01/15
20150000202

Method for forming an abrasive lapping plate


A method of forming a lapping plate. The method includes providing a lapping plate having a surface, spraying an adhesive onto the surface, spraying a slurry of abrasive particles and solvent onto the adhesive, and curing the adhesive to form an abrasive coating on the lapping plate.
Seagate Technology Llc
01/01/15
20150000201

Method for attaching a pre-sintered body of polycrystalline diamond material to a substrate


A method of attaching a pre-sintered body of polycrystalline diamond material to a substrate along an interface therebetween, the substrate being formed of cemented carbide and a metal binder phase dispersed therein, comprises placing a layer comprising one or more elements or alloys thereof on the interface on one or other of the body of polycrystalline diamond material or substrate; the one or more elements being selected to form a eutectic mixture with the metal in the binder phase, the eutectic mixture having a lower melting point than the melting point of the metal in the binder phase of the substrate. The other of the body of polycrystalline diamond material or the substrate is then placed on the layer and the body of polycrystalline material, the layer and the substrate are then subjected to a predetermined temperature at least equal to or greater than the melting point of the eutectic mixture at substantially ambient pressure or a vacuum to melt the metal in the binder phase at the interface with the substrate so that the metal from the binder phase infiltrates into the adjacent body of polycrystalline diamond material to form a bond between the body of polycrystalline diamond material and the substrate..
Element Six Abrasives, S.a.
01/01/15
20150000164

Outsoles having grooves forming discrete lugs


Various arrangements for an article of footwear including an outsole having grooves forming discrete lugs are presented. The outsoles generally include a plurality of grooves formed in at least a portion of the outsole that extend from a lateral side of the outsole to a medial side of the outsole.
Nike, Inc.
12/25/14
20140374564

Equipment mounting system


An equipment mounting system may include a quick mount track having a backing plate with a center slot, a first outer slot, and a second outer slot, the first outer slot and the second outer slot comprise a plurality of diamond contour target regions, and a plurality of locking pin apertures along the center slot in the backing plate, the locking pin apertures are in horizontal alignment with the plurality of diamond contoured target regions. The equipment mounting system also may include a mount removably coupled to the quick mount track wherein the plurality of diamond contour target regions allow for a round head of a t-shaped stud of the mount to engage the first outer slot and the second outer slot at an angle to the backing plate..
Ferno-washington, Inc.
12/25/14
20140373458

Liquid-metal-embrittlement resistant superabrasive compacts


A superabrasive compact (e.g., a polycrystalline diamond compact) including a substrate and at least one feature for reducing the susceptibility of the substrate to liquid metal embrittlement during brazing operations is disclosed. The superabrasive compact may include a region between the substrate and a superabrasive table in which residual tensile stresses are located.
Us Synthetic Corporation
12/18/14
20140368835

Three-dimensional shape measuring apparatus


A three-dimensional shape measuring apparatus includes a light source, a digital mirror device applying stripe pattern light alternately including a light portion and a dark portion with which information about the height of an inspection target portion can be acquired by reflecting light emitted from the light source, and an imaging portion imaging the inspection target portion to which the stripe pattern light is applied. The digital mirror device includes a plurality of mirrors arranged in a diamond pattern..
Yamaha Hatsudoki Kabushiki Kaisha
12/18/14
20140367771

High voltage semiconductor devices and methods of making the devices


Metal-oxide-semiconductor field-effect transistor (mosfet) devices are described which have a p-type region between the p-type well regions of the device. The p-type region can be either floating or connected to the p-type well regions by additional p-type regions.
Monolith Semiconductor, Inc.
12/18/14
20140367178

Cutting structures for fixed cutter drill bit and other downhole cutting tools


A downhole cutting tool may include a tool body; a plurality of blades extending azimuthally from the tool body; and a plurality of cutting elements disposed on the plurality of blades, the plurality of cutting elements comprising: at least two non-planar cutting elements comprising a substrate and a diamond layer having a non-planar cutting end, wherein at least one of the at least two conical cutting elements has a positive back rake angle or positive side rake angle, and at least one of the at least two non-planar cutting elements has a negative back rake angle or a negative side rake angle.. .
Smith International, Inc.
12/18/14
20140367177

Polycrystalline diamond compacts with partitioned substrate, polycrystalline diamond table, or both


Embodiments of methods for at least partially relieving stress within a polycrystalline diamond (“pcd”) table of a polycrystalline diamond compact (“pdc”) by partitioning the substrate of the pdc, the pcd table of the pdc, or both. Partitioning may be achieved through grinding, machining, laser cutting, electro-discharge machining, or combinations thereof.
Us Synthetic Corporation
12/18/14
20140367176

Polycrystalline diamond compacts with partitioned substrate, polycrystalline diamond table, or both


Methods for at least partially relieving stress within a polycrystalline diamond (“pcd”) table of a polycrystalline diamond compact (“pdc”) include partitioning the substrate of the pdc, the pcd table of the pdc, or both. Partitioning may be achieved through grinding, machining, laser cutting, electro-discharge machining, or combinations thereof.
Us Synthetic Corporation
12/18/14
20140366806

Apparatus for forming thin film


The present invention relates to a film formation apparatus for forming thin films having high gas barrier performance, such as a dlc (diamond like carbon) film, siox film, sioc film, siocn film, sinx film, and aiox film, on the inner surface and/or outer surface of containers such as pet bottles. The film formation apparatus is provided with: a vacuum chamber for forming, in a vacuum state, a film on a surface of a container (4) using a heat generating element (21); a vacuum evacuation device for vacuumizing the vacuum chamber; and a relative shifting device for relatively shifting the container (4) and the heat generating element (21) in the vacuum chamber after starting vacuumization of the vacuum chamber..
Kirin Beer Kabushiki Kaisha
12/18/14
20140366701

Scribing wheel, manufacturing the scribing wheel, and scribing method


A scribing wheel for scribing a brittle material-made substrate. A disc-shaped scribing-wheel base material in use is so designed that a mid-portion of a disc periphery has the largest diameter.
Mitsuboshi Diamond Industrial Co., Ltd
12/18/14
20140366456

Method for laser cutting polycrystalline diamond structures


Methods of laser cutting polycrystalline diamond tables and polycrystalline diamond compacts are disclosed. Laser cutting of the polycrystalline diamond table provides an alternative to electrical-discharge machining (“edm”), grinding with a diamond wheel, or lapping with a diamond wheel.
Us Synthetic Corporation
12/11/14
20140362660

Towed sensor array surface structure apparatus and use thereof


A surface structure is provided for reducing drag and/or for reducing turbulence on or proximate any element of a streamer cable or towed sensor array. The surface structure comprises a non-uniform surface having ridges, channels, expanding channels, dimples, bumps, backward facing diamonds, a saw tooth pattern, or the like integrated into, adhered to, wrapped, and/or coated onto a surface of the streamer cable.
12/11/14
20140362562

Folding base led diamond mirror


A mirror apparatus (10) includes a platform (12), a mirror support (14) depending from the platform (12), a mirror member (16) mounted to the mirror support (14) and an illuminating member (34) mounted about at least a peripheral segment of the mirror member (16) for providing illumination. The mirror member (16) may include a first mirror side (24) having a substantially planar mirror surface and a second mirror side (26) having a magnifying mirror surface.
12/11/14
20140361670

Method and forming a gold metal matrix composite


A metal matrix composite using as one of the components a precious metal is described. In one embodiment, the precious metal takes the form of gold and the metal matrix composite has a gold mass fraction in accordance with 18 k.
12/11/14
20140360791

Pcd elements and process for making the same


Catalyst in a sintered polycrystalline diamond (pcd) structure is dissolved in at least a portion of the structure by a liquid solvent metal. The structure is infused with the heated solvent and the solvent infiltrates interstitial spaces between consolidated diamond grains to contact residual catalyst from the sintering process.
12/11/14
20140360103

Polycrystalline diamond compacts, cutting elements and earth-boring tools including such compacts, and methods of forming such compacts and earth-boring tools


Methods of forming a polycrystalline diamond compact for use in an earth-boring tool include forming a body of polycrystalline diamond material including a first material disposed in interstitial spaces between inter-bonded diamond crystals in the body, removing the first material from interstitial spaces in a portion of the body, selecting a second material promoting a higher rate of degradation of the polycrystalline diamond compact than the first material under similar elevated temperature conditions and providing the second material in interstitial spaces in the portion of the body. Methods of drilling include engaging at least one cutter with a formation and wearing a second region of polycrystalline diamond material comprising a second material faster than the first region of polycrystalline diamond material comprising a first material.
12/04/14
20140356276

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, and etalons.
12/04/14
20140355914

Methods of operating a bearing apparatus including tilting pads


Embodiments of the invention relate to tilting pad bearing assemblies and apparatuses. The disclosed tilting pad bearing assemblies and apparatuses may be employed in downhole motors of a subterranean drilling system or other mechanical systems.
12/04/14
20140353773

Method for forming a suspended membrane


The present disclosure is directed to a device that includes a substrate and a sensor formed on the substrate. The sensor includes a chamber formed from a plurality of integrated cavities, a membrane above the substrate, the membrane having a plurality of openings, each opening positioned above one of the cavities, and a plurality of diamond shaped anchors positioned between the membrane and the substrate, the anchors positioned between each of the cavities.
12/04/14
20140353255

Porous composite particulate materials, methods of making and using same, and related apparatuses


In an embodiment, a porous composite particulate material includes a plurality of composite particles. Each composite particle includes an acid-base-resistant core particle at least partially surrounded by one or more layers of acid-base-resistant shell particles.
12/04/14
20140353047

Method of making polycrystalline diamond material


A method of making polycrystalline diamond material includes providing a fraction of diamond particles or grains and a sintering additive, the sintering additive comprising a carbon source of nano-sized particles or grains, forming the diamond particles and sintering additive into an aggregated mass, consolidating the aggregated mass and a binder material to form a green body, and subjecting the green body to conditions of pressure and temperature at which diamond is more thermodynamically stable than graphite and for a time sufficient to consume the sintering additive, sintering it and forming polycrystalline diamond material that is thermodynamically and crystallographically stable and is substantially devoid of any nano-structures.. .
12/04/14
20140352617

Coating insulating materials for improved life


A system for extending the life of insulating components disposed within a housing, such as an ion implanter, is disclosed. The system includes one or more insulating components, disposed in the housing, which are coated with a diamond like carbon (dlc) coating.
12/04/14
20140352354

Composite gemstone and production thereof


The invention discloses a composite gemstone for use in jewelry, formed of two or more adjacent precious stones, bonded to one another in a permanent manner without use of adhesive. The appearance is that of a single homogenous stone, with high grade optical properties as measured spectroscopically.
12/04/14
20140352228

Method of processing polycrystalline diamond material


A method of processing a polycrystalline diamond (pcd) material having a non-diamond phase comprising a diamond catalyst/solvent material comprises leaching an amount of the diamond catalyst/solvent from the pcd material by exposing at least a portion of the pcd material to a leaching mixture. The leaching mixture comprises hydrochloric acid and one or more additional mineral acids, the molar concentration of the hydrochloric acid being greater than the molar concentration of the one or more additional mineral acids in the leaching mixture..
11/27/14
20140349557

Vitrified super-abrasive-grain grindstone


A vitrified superabrasive grain grinding stone includes superabrasive grains including a cbn abrasive grain as a main abrasive grain and a diamond abrasive grain as an auxiliary abrasive grain bonded together by use of a vitrified bond. The auxiliary abrasive grain has an average grain diameter equal to ½ to 1/10 of that of the main abrasive grain, and the auxiliary abrasive grain has a toughness value of 0.4 to 1 when that of the main abrasive grain is given as 1..
11/27/14
20140349068

Large area optical quality synthetic polycrystalline diaond window


A polycrystalline chemical vapour deposited (cvd) diamond wafer comprising: a largest linear dimension equal to or greater than 70 mm; a thickness equal to or greater than 1.3 mm; and one or both of the following characteristics measured at room temperature (nominally 298 k) over at least a central area of the polycrystalline cvd diamond wafer, said central area being circular, centred on a central point of the polycrystalline cvd diamond wafer, and having a diameter of at least 70% of the largest linear dimension of the polycrystalline cvd diamond wafer: an absorption coefficient ≦0.2 cm−1 at 10.6 μm; and a dielectric loss coefficient at 145 ghz, of tan δ≦2×10−4.. .
11/27/14
20140345951

Rolling cutter


A cutting element for a drill bit that includes an outer support element having at least a bottom portion and a side portion; and an inner rotatable cutting element, a portion of which is disposed in the outer support element, wherein the inner rotatable cutting element includes a substrate and a diamond cutting face having a thickness of at least 0.050 inches disposed on an upper surface of the substrate; and wherein a distance from an upper surface of the diamond cutting face to a bearing surface between the inner rotatable cutting element and the outer support element ranges from 0 to about 0.300 inches is disclosed.. .
11/27/14
20140345431

Wire saw


A device for cutting a length of pipe includes a clamp portion for clamping around a length of pipe and a bow moveable with respect to the clamp portion that retains a loop of diamond embedded wire. The device further includes a feed for driving the bow with respect to the clamp portion and a detector for detecting bending of the wire and a control responsive to the detector for controlling feed rates.
11/27/14
20140345324

Multiple piece jewelry piece and manufacture


A piece of jewelry comprising a base having within it a number of diamonds, other precious stones, or costume jewelry within it, and the method of manufacturing the same.. .
11/27/14
20140345321

Biocompatible sintered diamond jewelry


An article of jewelry for wearing on the body may comprise a sintered polycrystalline diamond compact with substantially no metal catalyst. As many of the metal catalysts commonly used in the art are known to cause skin irritation, such a sintered compact with substantially no metal catalyst may be more biocompatible than previously known.
11/27/14
20140345203

Superhard structure or body comprising a body of polycrystalline diamond containing material


A free standing pcd body comprises a pcd material formed of combination of intergrown diamond grains forming a diamond network and an interpenetrating metallic network, the pcd body not being attached to a second body or substrate formed of a different material. The diamond network is formed of diamond grains having a plurality of grain sizes, and comprises a grain size distribution having an average diamond grain size, wherein the largest component of the diamond grain size distribution is no greater than three times the average diamond grain size.
11/20/14
20140342122

Large area optical quality synthetic polycrystalline diamond window


A polycrystalline chemical vapour deposited (cvd) diamond wafer comprising: a largest linear dimension equal to or greater than 125 mm; a thickness equal to or greater than 200 μm; and one or both of the following characteristics measured at room temperature (nominally 298 k) over at least a central area of the polycrystalline cvd diamond wafer, said central area being circular, centred on a central point of the polycrystalline cvd diamond wafer, and having a diameter of at least 70% of the largest linear dimension of the polycrystalline cvd diamond wafer: an absorption coefficient≦0.2 cm−1 at 10.6 μm; and a dielectric loss coefficient at 145 ghz, of tan δ≦2×10−4.. .
11/20/14
20140342029

Roller die and a manufacturing the roller die


Manufacture of a roller die configured for molding microstructures onto an optical film, includes an uncoated roller and a number of micro-structures formed on an outer surface of the roller, and a layer of diamond-like carbon film being formed on the surfaces of the micro-structures.. .
11/20/14
20140342000

Porous scaffold with carbon-based nanoparticles


A biocompatible porous scaffolds, especially bone regeneration scaffolds, comprising carbon-based nanoparticles, especially diamond nanoparticles, methods for the production of such biocompatible porous scaffolds, the use of such biocompatible porous scaffolds and methods for treating bone defects by inserting such biocompatible porous scaffolds comprising carbon-based nanoparticles into the bone defect.. .
11/20/14
20140341664

Diamond coated tool


A diamond coated tool according to the present invention includes a base material, and a diamond layer coating a surface of the base material, the diamond layer containing a diamond, 1.0×1018 to 1.0×1022 atoms/cm3 of boron, and 1.0×1017 to 1.0×1021 atoms/cm3 of nitrogen.. .
11/20/14
20140341487

Bearing elements, bearing apparatuses including same, and related methods


Bearing apparatuses including contacting bearing surfaces comprising superhard materials are disclosed. In one embodiment, the present invention relates to bearings including polycrystalline diamond inserts or compacts defining a plurality of surfaces that move relative to one another and contact one another.
11/20/14
20140340085

Time-resolved magnetic sensing with electronic spins in diamond


A system for performing walsh reconstruction of time dependent fields with a quantum probe that includes a diamond structure that includes nitrogen-vacancy (nv) centers for sensing magnetic and electric fields. An arbitrary waveform generator and microwave waveguides manipulate the quantum spins in the diamond structure using a plurality of coherent control sequences to measure the arbitrary profile of time-varying magnetic fields.


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Diamond topics: Crystallin, Gallium Nitride, Boron Nitride, Refraction, Irradiation, Transverse, Touch Panel, Semiconductor Wafer, Electrical Signal, Diamond Like Carbon, Semiconductor, Surface Treatment, Carbon Atoms, Integrated Circuit, Transducer

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