|| List of recent Diamond-related patents
| 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..
| 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.
| 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.. .
| 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.
| 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.
| 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..
| Scribing wheel, method for 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.
| 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.
|Towed sensor array surface structure apparatus and method of 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.
|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.
|Method and apparatus for 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.
|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.
|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.
|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.
|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.
|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.
|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.
|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.. .
|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.
|Composite gemstone and method of 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.
|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..
|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..
|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.. .
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.. .
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.
|Multiple piece jewelry piece and method of 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.. .
|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.
|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.
|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.. .
|Roller die and a method for 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.. .
|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.. .
|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.. .
|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.
|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.
|Shear cutter pick milling system|
This disclosure relates to a system for removing road material. In an embodiment, the system may include a milling drum and at least one pick mounted on the milling drum.
|Road-removal system employing polycrystalline diamond compacts|
Embodiments disclosed herein are directed to a system for removing road material. In an embodiment, the system may include a milling drum and at least one pick mounted on the milling drum.
|Structure of piston ring|
A structure of a piston ring to be installed in an engine includes a matrix. A laminated intermediate layer is formed on a surface of the matrix from hard chromium (cr), chromium nitride (crn) and titanium carbide (tic) in order, and a diamond-like carbon film (dlc) is coated on an outer periphery of the intermediate layer.
|Synthetic diamond coated compound semiconductor substrates|
A method of fabricating a synthetic diamond coated compound semiconductor substrate, the method comprising: loading a composite substrate into a chemical vapour deposition (cvd) reactor, the composite substrate comprising a single crystal carrier wafer, a layer of single crystal compound semiconductor epitaxially grown on the carrier wafer, and an interface layer disposed on the layer of compound semiconductor, the interface layer forming a growth surface suitable for growth of synthetic diamond material thereon via a cvd technique; and growing a layer of cvd diamond material on the growth surface of the interface layer, wherein during growth of cvd diamond material a temperature difference at the growth surface between an edge and a centre point thereof is maintained to be no more than 80° c., and wherein the carrier wafer has an aspect ratio, defined by a ratio of thickness to width, of no less than 0.25/100.. .
|Light-emitting device and display device|
Although an organic resin substrate is highly effective at reducing the weight and improving the shock resistance of a display device, it is required to improve the moisture resistance of the organic resin substrate for the sake of maintaining the reliability of an el element. Hard carbon films are formed to cover a surface of the organic resin substrate and outer surfaces of a sealing member.
|Polycrystalline diamond compact including a substrate having a raised interfacial surface bonded to a polycrystalline diamond table, and applications therefor|
In various embodiments, a polycrystalline diamond compact (“pdc”) comprises a substrate including an interfacial surface having a raised region. In an embodiment, a pdc comprises a substrate including an interfacial surface having a generally cylindrical raised region and a peripheral region extending about the generally cylindrical raised region.
|Systems and/or methods for stock portfolio based competitive simulations|
The exemplary embodiments described herein relate to systems and/or methods for competitive simulations and, more particularly, to systems and/or methods in which users build stock portfolios that compete against each other, with the performance of each user's stock portfolio being based on one or more stock market related metrics (e.g., price per share, market capitalization, volume of trade, etc.). A user's portfolio may be formed and/or reformed so as to comply with certain predefined criteria (e.g., company traded on a particular exchange, company belonging to a particular market sector, etc.).
|Method of dressing an abrasive wheel using a polycrystalline cvd synthetic diamond dresser and metho dof fabricating the same|
A method of dressing a wheel using a polycrystalline cvd synthetic diamond dresser, the method comprising: rotating the wheel; and contacting a working surface of the wheel with a working surface of the polycrystalline cvd synthetic diamond dresser, wherein the polycrystalline cvd synthetic diamond dresser is oriented such that a leading edge of the working surface of the polycrystalline cvd synthetic diamond dresser is formed of larger grains than a trailing edge of the working surface of the polycrystalline cvd synthetic diamond dresser.. .
|Detection apparatus and method of chemical mechanical polishing conditioner|
The present invention relates to a detection apparatus of chemical mechanical polishing conditioner, comprising: a working platform with a working plane; a placement base disposed on the working plane of the working platform, for carrying a chemical mechanical polishing conditioner; an image capture device forming one or a plurality of captured images on different regions of the chemical mechanical polishing conditioner; a display device; an image recognition module, wherein the captured images are performed a color matching by the image recognition module to determine one or a plurality of risk diamonds on the chemical mechanical polishing conditioner, and the coordinate location of the risk diamonds are outputted into the display device; and a mobile platform for moving the risk diamonds to specified locations. A detection method of the above mentioned detection apparatus is also disclosed..
|Single crystal cvd synthetic diamond material|
A single crystal cvd synthetic diamond material comprising: a total as-grown nitrogen concentration equal to or greater than 5 ppm, and a uniform distribution of defects, wherein said uniform distribution of defects is defined by one or more of the following characteristics: (i) the total nitrogen concentration, when mapped by secondary ion mass spectrometry (sims) over an area equal to or greater than 50×50 μm using an analysis area of 10 μm or less, possesses a point-to-point variation of less than 30% of an average total nitrogen concentration value, or when mapped by sims over an area equal to or greater than 200×200 μm using an analysis area of 60 μm or less, possesses a point-to-point variation of less than 30% of an average total nitrogen concentration value; (ii) an as-grown nitrogen-vacancy defect (nv) concentration equal to or greater than 50 ppb as measured using 77k uv-visible absorption measurements, wherein the nitrogen-vacancy defects are uniformly distributed through the synthetic single crystal cvd diamond material such that, when excited using a 514 nm laser excitation source of spot size equal to or less than 10 μm at room temperature using a 50 mw 46 continuous wave laser, and mapped over an area equal to or greater than 50×50 μm with a data interval less than 10 μm there is a low point-to-point variation wherein the intensity area ratio of nitrogen vacancy photoluminescence peaks between regions of high photoluminescent intensity and regions of low photolominescent intensity is <2× for either the 575 nm photoluminescent peak (nv0) or the 637 nm photoluminescent peak (nv); (iii) a variation in raman intensity such that, when excited using a 514 nm laser excitation source (resulting in a raman peak at 552.4 nm) of spot size equal to or less than 10 μm at room temperature using a 50 mw continuous wave laser, and mapped over an area equal to or greater than 50×50 μm with a data interval less than 10 μm, there is a low point-to-point variation wherein the ratio of raman peak areas between regions of low raman intensity and high raman intensity is <1.25×; (iv) an as-grown nitrogen-vacancy defect (nv) concentration equal to or greater than 50 ppb as measured using 77k uv-visible absorption measurements, wherein, when excited using a 514 nm excitation source of spot size equal to or less than 10 μm at 77k using a 50 mw continuous wave laser, gives an intensity at 575 nm corresponding to nv0 greater than 120 times a raman intensity at 552.4 nm, and/or an intensity at 637 nm corresponding to nv− greater than 200 times the raman intensity at 552.4 nm; (v) a single substitutional nitrogen defect (ns) concentration equal to or greater than 5 ppm, wherein the single substitutional nitrogen defects are uniformly distributed through the synthetic single crystal cvd diamond material such that by using a 1344 cm−1 infrared absorption feature and sampling an area greater than an area of 0.5 mm2, the variation is lower than 80%, as deduced by dividing the standard deviation by the mean value; (vi) a variation in red luminescence intensity, as defined by a standard deviation divided by a mean value, is less than 15%; (vii) a mean standard deviation in neutral single substitutional nitrogen concentration of less than 80%; and (viii) a colour intensity as measured using a histogram from a microscopy image with a mean gray value of greater than 50, wherein the colour intensity is uniform through the single crystal cvd synthetic diamond material such that the variation in gray colour, as characterised by the gray value standard deviation divided by the gray value mean, is less than 40%.. .
|Deposition of nano-diamond particles|
The present invention relates to a method (1) for creating a diamond structure (38) on a substrate (31). This method comprises the steps of providing (2) a substrate (31), providing (3) a mold (25) on the substrate (31), providing (4) a diamond seed solution (34) in the mold (25), and removing (6) the mold (25) such that a diamond structure (38) remains on the substrate (31)..
|Apparatus, system and method for sealing submersible pump assemblies|
An apparatus, system and method for sealing an electrical submersible pump assembly are described. An electric submersible pump (esp) system for pumping solid-laden fluid comprises a thrust chamber of an esp seal section, the thrust chamber sealed from well fluid on a downstream side by a stationary sand barrier and on an upstream side by a mechanical seal, the thrust chamber further comprising, a rotatable shaft extending axially through the thrust chamber, a head tubularly encasing the thrust chamber and threadedly coupled to a centrifugal pump intake, and a diamond-coated hydrodynamic bearing set inside the thrust chamber, wherein well fluid enters and exits the chamber through cross-drilled apertures in the head of the chamber, and wherein the well fluid forms a hydrodynamic film between the bearing set..
|Substrates for semiconductor devices|
A method of manufacturing a composite substrate for a semiconductor device, the method comprising: selecting a substrate wafer comprising: a first layer of single crystal material suitable for epitaxial growth of a compound semiconductor thereon and having a thickness of 100 μm or less;a second layer having a thickness of no less than 0.5 μm and formed of a material having a lower thermal expansion coefficient than the first layer of single crystal material and/or is formed of a material which has a higher fracture strength than that of the first layer of single crystal material; and a third layer forming a handling wafer on which the first and second layers are disposed, wherein the substrate wafer has an aspect ratio, defined by a ratio of thickness to width, of no less than 0.25/100; growing a first polycrystalline cvd diamond layer on the first layer of single crystal material using a chemical vapour deposition technique to form a composite comprising the substrate wafer bonded to the polycrystalline diamond layer via the first layer of single crystal material, wherein during growth of the first polycrystalline cvd diamond layer a temperature difference at a growth surface between an edge and a centre point thereof is maintained to be no more than 80° c.; and removing the second and third layers of the substrate wafer to form a composite substrate comprising the polycrystalline diamond layer directly bonded to the first layer of single crystal material.. .
|Diamond cutting elements for drill bits seeded with hcp crystalline material|
A polycrystalline diamond compact (pdc), which is attached or bonded to a substrate to form a cutter for a drill bit, is comprised of sintered polycrystalline diamond interspersed with a seed material which has a hexagonal close packed (hcp) crystalline structure. A region of the sintered polycrystalline diamond structure, near one or more of its working surfaces, which has been seeded with an hcp seed material prior to sintering, is leached to remove catalyst.
|Cutting elements configured to generate shear lips during use in cutting, earth-boring tools including such cutting elements, and methods of forming and using such cutting elements and earth-boring tools|
Cutting elements for earth-boring tools may generate a shear lip at a wear scar thereon during cutting. A diamond table may exhibit a relatively high wear resistance, and an edge of the diamond table may be chamfered, the combination of which may result in the formation of a shear lip.
|Materials comprising deaggregated diamond nanoparticles|
Heat-transfer fluids and lubricating fluids comprising deaggregated diamond nanoparticles are described herein. Also described are composites comprising deaggregated diamond nanoparticles, and methods of making such composites.
|Method for forming complex film of diamond-like carbon and silicon carbide|
A method for applying a resin-repellant coating to an injection molding component made of metal forms a complex film of diamond-like carbon (dlc) and silicon carbide (sic) on the metal. A vacuum chamber is evacuated of air and an electric field is created in the chamber.
|System for the delivery of biologically active compounds into an organism and method for the preparation of said system|
The invention relates to the field of pharmaceutics, pharmaceutical nano-technology and pharmacology and concerns a system for delivering biologically active agents into an organism, the system comprising a nano-diamond with a particle size of 2-10 nm, the surface of said particles being modified by chlorine with a chlorine content of up to 14%, and to a method for producing said system.. .
|Stable three-axis nuclear spin gyroscope|
An n-nv-based gyroscope is provided that includes a diamond structure implanted with a plurality of nv centers, whose nuclear spins form a spin gyroscope. A number of radio-frequency (rf) coils and microwave (μw) co-planar waveguides are fabricated on the diamond structure to provide a sensitive and stable three-axis gyroscope in the solid state while achieving gyroscopic sensitivity by exploiting the coherence time of the 14n nuclear spin associated with the nv centers in the diamond structure combined with the efficient optical polarization and measurement of electronic spin..
|Shear band with interlaced reinforcements|
A shear band that may be used e.g., in a non-pneumatic tire is provided. The shear band uses interlaced reinforcing elements positioned within a shear layer of elastomeric material.
|Cam follower system for engine|
Various systems are provided for a cam follower of a cam follower system. In one embodiment, a cam follower of a cam system comprises a tappet positioned between a cylinder valve and a camshaft, the tappet configured to drive the cylinder valve, a roller, and a pin coated with a diamond-like carbon coating coupling the roller to the tappet, the pin having a depressed contour on an outer surface of the pin..
|Cooling pedestal with coating of diamond-like carbon|
A cooling pedestal for supporting a substrate, comprises a support structure having cooling conduits to flow a fluid therethrough to cool the substrate, and a contact surface comprising a coating of a diamond-like carbon. The coating comprises (i) a coefficient of friction of less than about 0.3, (ii) an average surface roughness of less than about 0.4 micrometers, and (iii) a microhardness of at least about 8 gpa..
|Dual sweep design for manufacturing polycrystalline diamond compact|
A method for forming a polycrystalline diamond compact (pdc) includes steps of disposing a first catalyst source on a top of a plurality of diamond crystals; disposing a second catalyst source at a bottom of the plurality of diamond crystals; and applying high temperature and high pressure to the plurality of diamond crystals, the first catalyst source and the second catalyst source such that the plurality of diamond crystals are sintered into a polycrystalline diamond compact.. .
|Sliding component for use in an internal combustion engine|
The present invention relates to a sliding component for use in internal combustion engines, provided with a ferrous base (10) coated with a protective surface layer (11) composed of at least one nitride and applied by physical vapor deposition (pvd) or a nitrided layer to the sliding peripheral surface (2) of which a diamond-like carbon (dlc) coating (12) is applied, the coating (12) comprising at least one transition layer (122) composed of wc1-x and/or of at least one layer (121) of chromium metal with a crystalline structure (bcc—body cubic center) located between the ferrous base (10) and an external layer of amorphous carbon (124).. .
|Electrode for electrochemistry and manufacturing method for the same|
Celsius or lower to make the polycrystalline conductive diamond layer porous and make a specific crystal plane to remain and be formed.. .
|Articulating band saw and method|
An articulating band saw apparatus provides a frame that includes a vertically extending section having upper and lower end portions. An elevator moves between the upper and lower end portions of the frame.
|Cu-diamond based solid phase sintered body having excellent heat resistance, heat sink using the same, electronic device using the heat sink, and method for producing cu-diamond based solid phase sintered body having excellent heat resistance|
An inexpensive cu-diamond based composite material having excellent heat conductivity and heat resistance. Conventionally, an infiltration method does not provide a cu-diamond based composite material having high heat conductivity; an ultrahigh pressure method is expensive; and electric current pressure sintering provides relatively high heat conductivity, a low cost, but insufficient heat resistance.
|Finfet with active region shaped structures and channel separation|
A semiconductor structure in fabrication includes a n-finfet and p-finfet. Stress inducing materials such as silicon and silicon germanium are epitaxially grown into naturally diamond-shaped structures atop the silicon fins of the n-finfet and p-finfet areas.
|Molybdenum trioxide-coated hydrogen-terminated diamond surface and uses thereof|
The present invention provides a conducting material comprising a carbon-based material selected from a diamond or an insulating diamond-like carbon, having a hydrogen-terminated surface and a layer of moo3 coating said surface; as well as a method for the fabrication of such a material. The conducting material of the invention is useful in the fabrication of electronic components, electrodes, sensors, diodes, field effect transistors, and field emission electron sources..
|Force detection device, and force transducer device|
A force detection device includes a diamond piezoresistor including a highly orientated diamond into which boron is introduced as an impurity. The absolute value of the piezoresistance coefficient of the diamond piezoresistor is greater than the absolute value of a piezoresistance coefficient π11 or π12 in a case in which a major axis is in the <100> direction..
|Methods of making polycrystalline diamond compacts|
A polycrystalline diamond compact includes a substrate and a polycrystalline diamond table attached to the substrate. The polycrystalline diamond table includes an upper surface and at least one peripheral surface.
|Cerebrospinal fluid cooling device|
A device for topical cooling of the nervous system via cooling of cerebrospinal fluid, or csf, using a solid thermally conductive material. The solid thermally conductive material is coupled to a heat exchange apparatus.
|Thick sintered polycrystalline diamond and sintered jewelry|
Methods of forming larger sintered compacts of pcd and other sintered ultrahard materials are disclosed. Improved solvent metal compositions and layering of the un-sintered construct allow for sintering of thicker and larger high quality sintered compacts.
|Functionalized nanodiamonds as delivery platforms for nucleic acids|
The present application relates to functionalized nanodiamonds, to complexes comprising a functionalized nanodiamond reversibly bound to a nucleic acid and to compositions comprising such functionalized nanodiamonds and complexes. In particular, the functionalized nanodiamonds comprise at least one naturally occurring basic amino acid, or analogs or derivatives thereof, covalently linked to a nanodiamond.
|Scattered pilot pattern and channel estimation method for mimo-ofdm systems|
A method and apparatus are provided for reducing the number of pilot symbols within a mimo-ofdm communication system, and for improving channel estimation within such a system. For each transmitting antenna in an ofdm transmitter, pilot symbols are encoded so as to be unique to the transmitting antenna.