Matches 351 - 400 out of 601 < 1 2 3 4 5 6 7 8 9 10 11 12 13 >
Match Document Document Title
5521351 Method and apparatus for plasma surface treatment of the interior of hollow forms  
A plasma is generated within the interior of a hollow form held within a vacuum chamber enclosure by utilizing a radio frequency coil mounted within the vacuum chamber and defining a working volume...
5518766 Multi-layer superhard film structure  
A multi-layer diamond film is grown by d.c. arc assisted plasma deposition. A series of layers are deposited on each other by periodically back-etching the surface and renucleating during...
5518759 High growth rate plasma diamond deposition process and method of controlling same  
A process for depositing diamond on a substrate using a microwave plasma generator including introducing a feed which includes diamond forming constituents in a desired ratio to the microwave...
5516588 Composite body, its use and a process for its production  
A composite body, especially for use as a cutting tool, for the lining of combustion chambers or for movable parts intended to have low wear which has a substrate of hard metal, steel, cermet or...
5516554 Cyclic hot-filament CVD of diamond  
The steady state operating parameters of a low pressure cyclic hot-filament chemical vapor deposition process for making diamond, i.e., nucleation-growth and graphite removal, are applied as...
5514242 Method of forming a heat-sinked electronic component  
A method for forming a heat-sinked electronic component includes the following steps: depositing, at a first deposition rate, a first layer of synthetic diamond having a relatively high thermal...
5510157 Method of producing diamond of controlled quality  
Making a diamond substance exhibiting a cathodoluminescence spectrum with the peak at a photon energy greater than 2.8 eV (electron volt), the half-value and 20%-value width not exceeding 0.5 eV...
5508368 Ion beam process for deposition of highly abrasion-resistant coatings  
An ion beam deposition method is provided for manufacturing a coated substrate with improved abrasion resistance, and improved lifetime. According to the method, the substrate is first chemically...
5507987 Method of making a free-standing diamond film with reduced bowing  
A method for producing free-standing diamond film having a surface area of at least 1000 square millimeters includes the following steps: providing a substrate; depositing, on the substrate, by...
5496596 Methods for producing diamond materials with enhanced heat conductivity  
A method for growing a diamond film, substantially free of voids, having an average crystallite size greater than about 15 microns, a maximum intensity of the diamond Raman peak in counts/sec...
5496595 Method for forming film by plasma CVD  
A magnetic recording medium comprising a back coating layer formed on a surface reverse to a magnetic layer and a carbonaceous film which is formed on the back coating layer and contains fluorine...
5491002 Multilayer CVD diamond films  
Multilayer CVD diamond films are provided, wherein grain boundaries of the diamond layers are interrupted by renucleating and growing diamond on new nucleation sites comprised of metal. These...
5482748 Method for diamond coating by microwave plasma  
A method for coating components such as cutting tools with diamond using a microwave plasma excited gas mixture in a reactor equipped with a bowl-shaped substrate table having a concave inner...
5482602 Broad-beam ion deposition coating methods for depositing diamond-like-carbon coatings on dynamic surfaces  
One broad-beam ion deposition coating method (10) for depositing diamond-like-carbon (DLC) coatings (124) on the dynamic surfaces (120S) of articles (120) subject to adherence difficulties includes...
5480686 Process and apparatus for chemical vapor deposition of diamond films using water-based plasma discharges  
A chemical vapor deposition (CVD) process and apparatus for the growth of diamond films using vapor mixtures of selected compounds having desired moieties, specifically precursors that provide...
5478608 Arc assisted CVD coating method and apparatus  
An improved vacuum arc coating apparatus is provided, having a reaction zone with a plasma channel defined within a series of aligned annular substrate holders, or between an outer wall of a chain...
5476693 Method for the deposition of diamond film by high density direct current glow discharge  
There is disclosed a method for depositing a diamond film on a substrate which utilizes high density direct current glow discharge at a glow-arc transition region to form plasma between a cathode...
5476691 Surface treatment of magnetic recording heads  
Surface modification of magnetic recording heads using plasma immersion ion implantation and deposition is disclosed. This method may be carried out using a vacuum arc deposition system with a...
5474816 Fabrication of amorphous diamond films  
Amorphous diamond films having a significant reduction in intrinsic stress are prepared by biasing a substrate to be coated and depositing carbon ions thereon under controlled temperature conditions.
5474808 Method of seeding diamond  
Methods for seeding and growing diamond films on planar and non-planar surfaced substrates and also for patterning the diamond films include mixing submicron diameter diamond particles and binder...
5464667 Jet plasma process and apparatus  
A process and apparatus for the plasma deposition of a carbon-rich coating onto a substrate is provided. This method includes the steps of: providing a substrate in a vacuum chamber; and generating...
5464665 Microwave RF, or AC/DC discharge assisted flame deposition of CVD diamond  
Broadly, the present invention is directed to improving a chemical vapor phase deposition (CVD) method for synthesis of diamond wherein a hydrocarbon/hydrogen gaseous mixture is subjected to a...
5462776 Conversion of fullerenes to diamonds  
A method of forming synthetic diamond or diamond-like films on a substrate surface. The method involves the steps of providing a vapor selected from the group of fullerene molecules or an inert...
5462775 Method of producing hard multilayer film formed material  
A hard multilayer film structure comprises a titanium-containing compound layer possessing high wear resistance deposited on a substrate and a silicon-containing hard carbon layer possessing...
5458927 Process for the formation of wear- and scuff-resistant carbon coatings  
A process for forming an adherent diamond-like carbon coating on a workpiece of suitable material such as an aluminum alloy is disclosed. The workpiece is successively immersed in different plasma...
5456406 Fastening devices  
Fastening devices such as washers, seals and drive pins subject to corrosive deterioration of all or select portions thereof wherein all or such select portions are protected from such corrosion...
5453168 Method for forming protective overcoatings for metallic-film magnetic-recording mediums  
A sputter-deposited wear-resistant protective coating for magnetic-recording alloy thin films is disclosed. The protective coating includes a protective layer and an interfacial adhesion layer. The...
5451427 Magnetic recording medium and method of producing the same  
With the use of a novel method in which after a magnetic recording medium carrying a ferromagnetic metal thin film is heated, a protective layer is developed on the ferromagnetic metal thin film by...
5445851 Method for forming tabular diamond crystals  
A tabular diamond crystal is formed on a substrate by gas phase synthesis, wherein the diamond crystal has a ratio of thickness to width of from 1:4 to 1:1,000 and the surface of the substrate on...
5439753 Electron emissive film  
A method for making an electron emissive film is provided. A substrate and a reaction chamber having a temperature and a pressure is provided. The temperature and the pressure are adjusted to a...
5436036 Method of synthesizing hard material  
A method of vapor-phase synthesizing a hard material use a raw material gas supplied into a reaction tube (6) while irradiating a region of the reaction tube (6) with microwaves (18) of a...
5431968 Method for simultaneously coating a plurality of filaments  
Methods and apparatuses for coating materials, and the products and compositions produced thereby. Substances, such as diamond or diamond-like carbon, are deposited onto materials, such as a...
5431963 Method for adhering diamondlike carbon to a substrate  
The electrical field at the surface of an electrode is graded by depositing a semiconductive coating thereon. An electrode substrate is powered at a preselected temperature and power. A mixture of...
5427827 Deposition of diamond-like films by ECR microwave plasma  
Hard amorphous hydrogenated carbon, diamond-like films are deposited using an electron cyclotron resonance microwave plasma with a separate radio frequency power bias applied to a substrate stage....
5427826 Method for forming a superhard carbonaceous protective film on articles  
Proposed is an improvement in the process for forming a superhard carbonaceous coating film on various articles by the plasma-induced CVD method using an apparatus in which microwaves generated in...
5425965 Process for deposition of ultra-fine grained polycrystalline diamond films  
This invention is directed to a method for enhancing the diamond nucleation on a substrate prior to providing a diamond film thereon. More particularly, it is directed to a method which involved...
5423475 Diamond coatings for aluminum alloys  
An aluminum body having diamond bonded thereto with a diffused interlayer of silicon is described.
5418198 Pelletizable gunning composition  
A pelletizable gunning composition is provided which exhibits excellent flow characteristics, minimal release of dust, and excellent adhesion and resistance to slag. The gunning composition...
5418018 Chemical vapor deposition of diamond films using water-based plasma discharges  
A chemical vapor deposition (CVD) technique (process and apparatus) for the growth of diamond films using vapor mixtures of selected compounds having desired moieties, specifically precursors that...
5413821 Process for depositing Cr-bearing layer  
A method of applying a Cr-bearing layer to a substrate, comprises introducing an organometallic compound, in vapor or solid powder form entrained in a carrier gas to a plasma of an inductively...
5411758 Method of making synthetic diamond wear component  
A method is disclosed for making a wear component that includes providing a base surface, producing a synthetic diamond film having at least a particular equivalent strain, and applying the diamond...
5405645 High growth rate plasma diamond deposition process and method of controlling same  
A process for depositing diamond on a substrate using a microwave plasma generator including providing carbon, hydrogen and oxygen in a desired ratio to the microwave plasma generator, and...
5403628 Process for producing a coated hard-metal cutting body  
A process for producing a cutting tool includes the steps of subjecting a sintered body to a nitrogen gas pressure treatment conducted under a pressure ranging between 0.2 and 10 MPa and at a...
5397428 Nucleation enhancement for chemical vapor deposition of diamond  
A method and apparatus for enhancing the nucleation of diamond by pretreating a substrate by electrically biasing a diamond film adjacent the substrate while exposing the substrate and the thus...
5393572 Ion beam assisted method of producing a diamond like carbon coating  
The present invention relates to an ion beam assisted method of producing a diamond like carbon (DLC) coating on the surface of a material. More particular, the invention relates to an ion beam...
5391409 Low temperature method for synthesizing diamond with high quality by vapor phase deposition  
A diamond film deposited on a substrate heated at less than 400° C. in vapor phase from material gas including hydrogen gas and hydrocarbon gas often incurs low strength, low abrasion resistance,...
5389407 Thermal spraying coating method  
An apparatus (10) for applying a thermal spray coating onto a substrate (24) includes a chamber (16) having an open bottom portion (18), a gas source for releasing a gas lighter than oxygen into...
5389400 Method for making a diamond/carbon/carbon composite useful as an integral dielectric heat sink  
A method for producing a diamond/carbon/carbon composite is provided which includes the steps of densifying a preform of interwoven vapor grown carbon fibers form a carbon/carbon composite, and...
5382293 Plasma jet CVD apparatus for forming diamond films  
An apparatus for depositing a diamond film on a substrate includes a first electrode formed as an enclosed body having a nozzle for jetting thermal plasma opening therefrom and a second electrode...
5382274 Mold with film of 0-5 atom % hydrogen and molding method utilizing same  
A mold for use for press-molding an optical element, in which a molding surface of a mold base material is coated with a hard carbon film containing 0-5 atom% of hydrogen. It has a spin density of...
Matches 351 - 400 out of 601 < 1 2 3 4 5 6 7 8 9 10 11 12 13 >