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7803234 |
Surface treated shape memory materials and methods for making same
The invention provides a method for making surface treated shape memory materials such as from NiTi alloy using plasma immersion ion implantation and deposition and related ion-beam and...
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7648586 |
Ultra-low carbon stainless steel
In a surface layer of an ultra-low carbon stainless steel comprising a seal function layer in the surface layer, an ion such as a nitrogen ion is implanted to form the seal function layer. Since...
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7425353 |
Enhancement of magnetic media recording performance using ion irradiation to tailor exchange coupling
Magnetic medium recording performance can be enhanced by irradiating a magnetic medium with ions having an acceleration voltage of between 10 keV and 100 keV to induce exchange coupling between...
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7405086 |
Above room temperature ferromagnetic silicon
A manganese-implanted silicon substrate exhibits ferromagnetism and a Curie temperature above room temperature when magnetized. The implant is done at a temperature of between about 250 C and about...
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7125458 |
Formation of a silicon germanium-on-insulator structure by oxidation of a buried porous silicon layer
A simple and direct method of forming a SiGe-on-insulator that relies on the oxidation of a porous silicon layer (or region) that is created beneath a Ge-containing layer is provided. The method...
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6589364 |
Formation of doped silicon-germanium alloy utilizing laser crystallization
A silicon-germanium alloy of high crystal quality and containing uniform concentrations of dopant and germanium is formed by applying laser energy to a doped amorphous/polysilicon germanium layer...
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6454877 |
Laser phase transformation and ion implantation in metals
A method and apparatus are provided for treating the surface of a metal body through phase transformation, ion implantation, and/or diffusion and to form new phases of metallic materials. The...
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6368425 |
Ion treatments for magnetic recording heads and magnetic recording media
Techniques are disclosed for improving the tribology between an air bearing surface of a magnetic recording head and a magnetic recording medium. In addition, techniques are described for reducing...
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6314764 |
Method of manufacturing a 1-inch diameter glass substrate for a magnetic disk
A method of manufacturing a 1-inch diameter glass substrate for a magnetic disc in which a plate glass is press molded using a mold formed of a super-hard material and having a surface of a...
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6314763 |
Method of manufacturing a 2-5 inch diameter glass substrate for a magnetic disk
A method of manufacturing a 2-5 inch diameter glass substrate for a magnetic disc in which a plate glass is press molded using a mold formed of a super-hard material and having a surface of a...
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6214479 |
Covered member and method of producing the same
This invention provides a covered member which possesses a high bond strength of a base material and a covering film, and has a smooth surface. The covered member comprises a base material and a...
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6162513 |
Method for modifying metal surface
A process for modifying a metal surface by irradiating energized ion particles onto a metal surface while blowing a reactive gas directly on the metal surface under a vacuum condition. The process...
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6136385 |
Surface reforming method of a metal product
A surface reforming method of a metal product, wherein a platinum film is formed on the surface of a metal product by injecting onto that surface a nitrogen ion, a carbon ion and a platinum ion in...
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5900126 |
Method for manufacturing austenitic stainless steel substrate for magnetic-recording media
An improved magnetic-recording disk and a process for manufacturing magnetic-recording disks are disclosed. A precision cold-rolled authentic stainless steel is the substrate for a...
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5879760 |
Titanium aluminide articles having improved high temperature resistance
A method for protecting a titanium aluminide substrate against environmental degradation at higher temperatures, which comprises applying a layer of a ductile titanium alloy to at least one...
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5859404 |
Method and apparatus for plasma processing a workpiece in an enveloping plasma
A plasma heating apparatus for heating a workpiece includes a chamber of sufficient size to receive a workpiece therein and a source of a reduced gas pressure within the chamber of from about 0.01...
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5851315 |
Process for producing radioisotope source
A process for implanting radioisotope ions into a substrate to create a radioisotope source, utilizing the chemical binding of selected ions to the surface of the substrate. Extraneous material not...
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5735974 |
Irradiated intermetallic compound containing part of light-water reactor
A part of a light-water reactor, for example, a cladding for a light-water reactor has at least a portion made of an intermetallic compound, such as Ni3 Al, Ni2 Al3, TiAl, Ti3 Al, Pt2 Si, PtSi,...
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5658394 |
Method for increasing the surface hardness of loom components exposed to friction
Loom components such as reed dents or weft brake lamellae that, during operation, are exposed to frictional abrasion by a moving weft thread, are made of cold rolled strip steel or of refined...
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5651839 |
Process for engineering coherent twin and coincident site lattice grain boundaries in polycrystalline materials
A process for producing coherent twin, incoherent twin, low angle tilt, high angle tilt or CSL grain boundaries in materials is described. A planar material or a planar substrate coated with the...
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5520966 |
Corrosion prevention of honeycomb core panel construction using ion beam enhanced deposition
A process for increasing the corrosion resistance of honeycomb core panel construction by using an ion beam enhanced deposition. In one aspect of the invention, molybdenum ions are embedded a...
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5423923 |
Hard film of amorphous Ti-Si alloy having fine tin particles
Deposition of a hard film of Ti-Si-N composite material on a substrate is carried out by using a source of evaporation possessing a composition of Tia Sib (wherein "a" and "b" stand for atomic...
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5413642 |
Processing for forming corrosion and permeation barriers
An alloy has less stable oxides, e.g. nickel oxide, chromium oxide, and iron oxide on a surface (FIG. 1 ). The material has specific reaction elements such as titanium and aluminum in a relatively...
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5405458 |
Method of producing hard film of Ti-Si-N composite material
Deposition of a hard film of Ti--Si--N composite material on a substrate is carried out by using a source of evaporation possessing a composition of Tia Sib (wherein "a" and "b" stand for atomic...
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5199999 |
Ion implantation in metal alloys
A method for ion implantation of relatively high concentrations of alloying elements into a metal target without sputtering the target, in which the target is precoated with a layer of preselected...
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5192618 |
Corrosion protection by FeMn by ion implantation
The present invention relates to the improvement of corrosion wear resistance of iron-manganese (FeMn) film by ion implantation and subsequent annealing without substantially affecting the magnetic...
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5098483 |
Methods of treating spherical surfaces
Improved methods for the treatment of spherical surfaces designed to improve their physical and chemical properties are disclosed. The methods include the provision of a fixture by which a...
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4915746 |
Method of forming high temperature barriers in structural metals to make such metals creep resistant at high homologous temperatures
A method of forming internal high temperature barriers in structural metals is provided. The barriers prevent movement of boundaries and dislocations inside the structural metal, and make strutural...
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4872922 |
Method and apparatus for the ion implantation of spherical surfaces
A method and an apparatus for the ion implantation of spherical surfaces are disclosed. The method essentially includes the provision of a fixture by which a plurality of spherical workpieces are...
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4855026 |
Sputter enhanced ion implantation process
A sputter enhanced ion implantation process is disclosed that uses to advantage the ion beam sputtering phenomenon to deposit layers of coatings on surfaces of interest simultaneously with ion...
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4775429 |
Large diameter high strength rolled steel bar and a process for the production of the same
A large diameter high strength hot rolled steel bar consisting of a low alloy steel having a carbon content of 0.3 to 0.9% and a metallurgical structure with a interlammelar spacing of 0.05 to 0.15...
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4743308 |
Corrosion inhibition of metal alloys
A metal alloy with a treated surface and the process of effecting the treated surface are disclosed whereby its ion release under static, stress and crevice corrosion and corrosive wear conditions...
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4725321 |
Method for cooling a steel strip in a continuous annealing furnace
The present invention relates to a method for cooling a steel strip in a continuous-annealing furnace. Conventionally, the steel strip is cooled by a water medium and, thus, oxidation is...
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4724014 |
Method for cooling a steel strip in a continuous annealing furnace
The present invention relates to a method for cooling a steel strip in a continuous-annealing furnace. Conventionally, the steel strip is cooled by a water medium and, thus, oxidation is...
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4713124 |
Method for cooling a charge after thermal treatment
A method and oven equipment for cooling a charge after thermal treatment. The charge, which is located within a closed chamber, is cooled by blowing in cooling gas. The cooling occurs as a function...
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4693760 |
Ion implanation of titanium workpieces without surface discoloration
A process for preventing surface discoloration in orthopedic implants made of titanium and its alloys is disclosed. Such surface discoloration is apt to occur when the orthopedic implants are ion...
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4620883 |
Fluidized-bed heat-treatment method for metallic workpieces
A metallic object is heat treated by suspending it in a fluidizable bed through which a gas can be passed at a volume/time rate to fluidize it. The temperature of the bed is varied in accordance...
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4620884 |
Heat treat process and furnace
The structure of the present invention rapidly heats metal strapping, wire and the like to a temperature in the range of about 800° F. up to about 1800° F. while maintaining accurate control on t...
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4542009 |
Synthesis of intercalatable layered stable transition metal chalcogenides and alkali metal-transition metal chalcogenides
Intercalatable layered or lamellar stable transition metal chalcogenides, such as CrS2, usable as cathode active materials and intercalatable layered or lamellar stable alkali metal-transition...
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4490190 |
Process for thermochemical treatments of metals by ionic bombardment
A process for thermochemical treatment of metals with accurate control of the treatment temperature in a furnace having a structure similar to that of a classic furnace for thermal or...
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4409042 |
Method and apparatus for measuring the temperature of moving elongated articles and application thereof
A method and apparatus for measuring the temperature of a moving elongated article is disclosed wherein radiant heat is sensed eminating from the focal axis or point of a parabolic or paraboloidal...
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4404043 |
Method of and an apparatus for continuous heat treatment of separated elongated metallic material
In a method for continuous heat treatment of separated elongated metallic material said material is conveyed stepwise through a single furnace chamber. Said furnace chamber comprises a heating...
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4362578 |
Method of hot working metal with induction reheating
This invention relates to a process and apparatus for hot working metals whereby a finer and more uniform grain structure is produced in the wrought product. In conventional hot working operations,...
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4352698 |
Method of improving the wear resistance of metals
A process for improving the wear resistance of metals, comprising the operation of implanting into a metal article the wear resistance of which is to be improved ions of a material which is capable...
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4326897 |
Post weld heat treatment of shell and tube heat exchangers and apparatus
An apparatus and method is provided for heat treating a tubular type heat exchanger. A heat fluid is passed through the tube bundle in order to heat the exchanger from within.
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4168183 |
Process for improving the fatigue properties of structures or objects
This is a process for improving the fatigue properties of structures which have dislocations or deformed regions in the surface layers. Solute is diffused into this surface region and inhibits the...
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4046599 |
Processing wire rod
Steel wire rod leaving the last stand of a rolling mill is quenched to between 850° C and a temperature corresponding to the nose of the curve representing the start of the transformation of ...
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3988955 |
Coated steel product and process of producing the same
A coated steel product, namely, a cutting instrument such as a band saw blade, in which the body of the blade is of steel, the tooth tip is of impulse hardened steel and the tip is covered with a...
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3925116 |
Superhard martensite and method of making the same
A superhard martensite and method of making the same wherein ions of an element which is insoluble in iron are implanted into or/and planted onto a steel substrate. The steel is then heat treated,...
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3537917 |
PROCESS FOR COORDINATED CLEANING AND FLOW BRIGHTENING OF TINPLATED STEEL
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