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...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 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 plasma-based techniques to alter the surface properties of those materials prima... | 09/28/2010 |
| 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 grains of the magnetic medium. The magnetic medium is exposed to a cumul... | 09/16/2008 |
| 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 800 C, while the manganese concentration is between about 0.01 atomi... | 07/29/2008 |
| 7198684 | Method for manufacturing articles using a semi-continuous flow of workpieces through metal working and annealing apparatus A plurality of gas turbine components or other articles are manufactured from a plurality of metallic-alloy workpieces using a manufacturing apparatus having a metalworking apparatus, and an annealing apparatus wherein the individual workpieces are annealed by singl... | 04/03/2007 |
| 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 includes the steps of providing a structure comprising a Si-containing ... | 10/24/2006 |
| 7097745 | Method of forming a tunneling magnetoresistive head A method of forming a tunneling magnetoresistive head begins by forming a tunneling magnetoresistive stack having a tunnel barrier. An air bearing surface is formed of the tunneling magnetoresistive stack. The air bearing surface is ion etched causing a deficiency o... | 08/29/2006 |
| 7037390 | Method of heat treatment for Ni-base alloy tube A method of heat treatment for an efficient forming of two-layered oxide film on the inside surface of a Ni-base alloy tube. The oxide film suppresses the Ni release in a high-temperature water environment. At least two gas supplying devices are provided on t... | 05/02/2006 |
| 7001672 | Laser based metal deposition of implant structures A method of depositing a hard wear resistant surface onto a porous or non-porous base material of a medical implant. The medical implant device formed by a Laser Based Metal Deposition (LBMD) method. The porous material of the base promotes bone ingrowth allowing th... | 02/21/2006 |
| 6903316 | Method and apparatus for induction hardening An apparatus and method for induction hardening a workpiece can first include fastening a workpiece in a clamping assembly. The clamping assembly is provided with a plurality of hardness testing devices. Alternatively, one or more hardness testing devices are provid... | 06/07/2005 |
| 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 overlying epitaxial silicon. Energy transferred from the la... | 07/08/2003 |
| 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 method and apparatus have been shown to be particularly useful ... | 09/24/2002 |
| 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 resistance to wear and corrosion of the air bearing surfac... | 04/09/2002 |
| 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 prescribed roughness. Ion implantation using nitrogen ions is per... | 11/13/2001 |
| 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 prescribed roughness. Ion implantation using nitrogen ions is p... | 11/13/2001 |
| 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 covering film and the surface of the base material to be cov... | 04/10/2001 |
| 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 can achieve the effect of decreasing the wetting angle of ... | 12/19/2000 |
| 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 that order, and then injected onto said platinum film a se... | 10/24/2000 |
| 6083567 | Sequential ion implantation and deposition (SIID) technique A surface of a substrate is vacuum coated with a material by sequentially implanting and depositing ions from a single ion source. First ions of the coating material are initially implanted into the surface of the substrate to form an implanted substrate ... | 07/04/2000 |
| 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 magnetic-recording disk. The surface of the substrate may be hardened by p... | 05/04/1999 |
| 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 exterior surface of the substrate and applying an oxidation resis... | 03/09/1999 |
| 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 to about 100 millitorr. The plasma heating apparatus furth... | 01/12/1999 |
| 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 chemically bound to the substrate is removed and the chem... | 12/22/1998 |
| 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, FeAl | 04/07/1998 |
| 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 nitrided steels. The components are then exposed to a heat trea... | 08/19/1997 |
| 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 polycrystalline material is heated in selected areas so as t... | 07/29/1997 |
| 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 predetermined depth into the front and back surfaces of a honey... | 05/28/1996 |
| 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 percentages respectively falling in the ... | 06/13/1995 |
| 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 low concentration throughout the alloy. At an elevated tem... | 05/09/1995 |
| 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 percentages respectively falling in th... | 04/11/1995 |
| 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 thickness of a light, low sputtering yield element such as... | 04/06/1993 |
| 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 properties of the magnetic material. A highly corrosive a... | 03/09/1993 |
| 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 plurality of spherical workpieces are presented to a treatment sou... | 03/24/1992 |
| 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 metals creep resistant at high homologous temperatures. T... | 04/10/1990 |
| 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 presented to a large area ion beam in a way that their enti... | 10/10/1989 |
| 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 implanting that surface, and that without the use of a separat... | 08/08/1989 |
| 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 μm, and having a diameter of at least 20 mm, a tensile s... | 10/04/1988 |
| 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 is reduced. The metal alloy preferably is an ASTM F-75 Co-... | 05/10/1988 |
| 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 inevitable. Recently developed roll cooling methods can prevent oxid... | 02/16/1988 |
| 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 inevitable. Recently developed roll cooling methods can prevent oxid... | 02/09/1988 |
| 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 of the actual conditions of the charge at a predetermined... | 12/15/1987 |
