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| Number | Title | Issue Date |
| 4421828 | Steel sheet carrying a protective layer and process for producing such a sheet The invention relates to mild steel sheet, having deposited on at least one of its major faces a sub-layer of tin in an amount of 0.1 to 1.05 g/l and a composite coating containing chronmium and chronmium oxide. The content of chromium in the composite co... | 12/20/1983 |
| 4411964 | Composite coating steel sheets having good corrosion resistance paintability and corrosion resistance after paint coating A composite coating steel sheet is disclosed which has good corrosion resistance, paintability and corrosion resistance after paint coating. The steel sheet comprises a plated base steel sheet, such as a galvanized, zinc alloy plated or aluminum plated st... | 10/25/1983 |
| 4402798 | Method for the manufacture of a metallic recording substrate for a capacitance electronic disc and the recording substrate obtained thereby In accordance with the present disclosure recorded metallic recording substrates made of a relatively soft metal are coated with a conformal 200 to 400 angstroms thick layer of chromium, chromium oxide, or a mixture thereof, and then preferably passivated... | 09/06/1983 |
| 4389464 | Black chrome coating for solar collectors and method of electrodepositing said coating A black chrome electrolyte for the formation of selective layers for solar collectors electrolyte comprising chromium trioxide (CrO3), fluorosilic acid (H2 SiF6) as a catalyst and soidum molybdate (Na2 MoO4... | 06/21/1983 |
| 4371589 | Process for depositing protective coating and articles produced An article of improved wear characteristics and composed of a relatively low wear resistant base metal coated by a particulate refractory metal having a melting point of at least 1490° C. deposited within the near-surface region thereof comprising a base... | 02/01/1983 |
| 4358512 | Metal-composite bonding A method of bonding a graphite fiber reinforced glass matrix composite to a metal structure comprising depositing a layer of eutectic alloy metal component to the bond surfaces of the metal and composite followed by placing the thus treated bond surfaces ... | 11/09/1982 |
| 4350744 | Metallic solder composite bonding A method of bonding a plurality of thermally stable high strength graphite fiber reinforced glass matrix composite pieces is described. The process comprises applying to the surfaces to be bonded at least one layer of a metal which is highly adherent to t... | 09/21/1982 |
| 4327967 | Heat-reflecting panel having neutral-color outer appearance A heat-reflecting panel having a neutral-color outer appearance has a transparent film support, such as a glass pane, an interference film having a refractive index >2 disposed on the support, a heat reflecting gold film of a thickness of 70-105 A dispose... | 05/04/1982 |
| 4294890 | Method for preventing reflection This invention provides a method for preventing reflection. For this purpose and for decreasing the reflecting power of the surface of a light absorbing body of a metal or semi-metal material, the light absorbing body is covered by a light absorbing mater... | 10/13/1981 |
| 4289834 | Dense dry etched multi-level metallurgy with non-overlapped vias A double level metal interconnection structure and process for making same are disclosed, wherein an etch-stop layer is formed on the first metal layer to prevent over-etching thereof when forming the second level metal line in a via hole in an insulating... | 09/15/1981 |
| 4273837 | Plated metal article A method of plating a metallic substrate by coating said substrate with a specific metallic system; plating at least one metal onto the coating; and heating the coated and plated metallic substrate to a temperature that effects a bonding of said metallic ... | 06/16/1981 |
| 4268586 | Corrosion resistant zirconium alloy structural components and process Zirconium-base alloy channels, fuel cladding tubes and other components are made resistant to accelerated pustular corrosion in a boiling water reactor environment by coating them with a small amount of a suitable electronically conducting material.... | 05/19/1981 |
| 4254189 | Disc having substrate, intermediate layer and magnetically sensitive layer wherein intermediate layer has melting point less than annealing temperature of substrate but higher than processing temperature of magnetically sensitive layer A structure and method for manufacturing said structure are disclosed for producing a surface of improved smoothness. The result is achieved by applying to the substrate a layer of low melting point metal or low melting point glass and elevating the compo... | 03/03/1981 |
| 4210389 | Bond and method of making the same A solid state laser rod and a mount through which heat is dissipated from the rod are joined together at a bond comprised of a reflective layer on the surface of the rod, a barrier layer over the reflective layer, and a solder layer between the barrier la... | 07/01/1980 |
| 4159230 | Treatment of chromium electrodeposit A method whereby a surface of chromium metal electrodeposited on a zinc substrate from a trivalent chromium electrolyte is treated by contacting the surface with an aqueous solution at a pH of from 5 to 12 and containing a dissolved metal salt of a weak a... | 06/26/1979 |
| 4143210 | Multi-layer plating for improved corrosion resistance A multi-layer plating and method are provided for improved corrosion resistance of ferrous metal substrates and articles made therefrom. The multi-layer plating comprises a metallic coating comprising a layer of zinc or cadmium and a layer of tin, each of... | 03/06/1979 |
| 4095014 | Wear-resistant zinc articles A wear-resistant article comprises a zinc base metal having a substantially continuous, hard chromium skin layer on at least one surface thereof and a chromium-enriched subsurface layer of the zinc base metal situated immediately below the chromium skin l... | 06/13/1978 |
| 4088547 | Method for producing a coated metal nodular solar heat collector A solar heat collector comprising a metallic substrate having nodular or dendritic surfaces coated with a black absorber coating, and the method of preparing same.... | 05/09/1978 |
| 4074016 | Magnetic record carrier A record carrier for a magnetic thin film metal layer includes a substrate coated with a pigmented epoxy resin as a synthetic substance layer. The pigment includes approximately 20% titanium dioxide and approximately 2% aluminum oxide. A thin getter metal... | 02/14/1978 |
| 4024489 | Magnetoresistive sandwich including sensor electrically parallel with electrical shunt and magnetic biasing layers A magnetoresistive permalloy film is deposited upon a substrate and coated with a separating layer composed of titanium or a similar high resistivity, conductive material. A soft biasing layer of a material such as permalloy or a hard biasing material suc... | 05/17/1977 |
| 4010005 | Copper foil having bond strength A copper foil having high bond strength with an insoluble particle-containing metal plate formed thereon, the plated copper foil being adapted for use in the preparation of, for example, a printed circuit.... | 03/01/1977 |
| 4005989 | Coated superalloy article A protective coating is provided on gas turbine engine type superalloys comprising an interlayer adjacent the superalloy substrate a principal protective element of which comprises an aluminide of the basis metal of the substrate formed by the reaction of... | 02/01/1977 |
| 3998601 | Thin foil A composite foil having an electrolytically formed copper or copper-containing layer and a second electrolytically formed copper layer of a thickness which is not self-supporting, the copper layer and the second metal layer being separated by a coating of... | 12/21/1976 |
| 3981691 | Metal-clad dielectric sheeting having an improved bond between the metal and dielectric layers An improved bond between the metal and dielectric layers of metal-clad dielectric sheeting is obtained by use of a black-chromium treatment on the metal layer.... | 09/21/1976 |
| 3977839 | Coated metal article and method of coating Methods of coating metal articles to protect them from corrosion, and the products of such methods. Metal articles which have been electroplated with zinc, cadmium, nickel or chromium, are chromated, and coated with a hydrophobic thermosetting polymer, an... | 08/31/1976 |
| 3975165 | Graded metal-to-ceramic structure for high temperature abradable seal applications and a method of producing said Abradable seal composite structure having a porous, abradable ceramic surface layer which is resistant to high temperature oxidation and a metallic bottom layer capable of being bonded to a metallic substrate, with at least two intermediate layers consist... | 08/17/1976 |
| 3958317 | Copper surface treatment for epoxy bonding A treated copper surface for bonding, using adhesive such as epoxy glass, in applications such as multilayer circuit boards. The copper surface is covered with a thin layer of chromium having a roughened (etched) outer surface. The chromium layer preclude... | 05/25/1976 |
