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| Number | Title | Issue Date |
| 4176016 | Forming electrically insulating layers by sputter deposition A method of making inclined sides on a metal pattern which is grown on a substrate by electroplating as a preliminary measure to the coating of the substrate with the metal pattern by an insulating layer. The main deposition of the insulating layer by spu... | 11/27/1979 |
| 4170536 | Electrolytic cathode and method for its production A novel cathode for use in electrolysis of an aqueous solution of an alkali metal halide or water is provided which comprises a metallic cathode substrate and a powder of Raney nickel held on its surface partly embedded in a nickel layer deposited thereon... | 10/09/1979 |
| 4104133 | Method of in situ plating of an active coating on cathodes of alkali halide electrolysis cells An active metal coating which lowers the hydrogen discharge overpotential at the cathode in the electrolysis of aqueous alkali metal halide solutions is deposited on the cathode tubes of a cathode can of an electrolysis cell without the removal of the tub... | 08/01/1978 |
| 4092224 | Process of zinc coating fasteners A process of zinc coating fasteners such as screws and nuts, wherein the fastener is first provided with a zinc coat by hot coating, which coat is then equalized chemically, whereafter there is applied a superficial zinc coat by electrocoating. If desired... | 05/30/1978 |
| 4065365 | Method for improving frictional surface in cylinders or sleeves of internal combustion engines Method of preparing chromium plated surfaces of improved anti-friction property, by machining the base material to a smooth finish, chromium plating the machined surface of the base material, heating the chromium plated surface at 150°-325° C for 1-3 ho... | 12/27/1977 |
| 4039399 | Method of making a bearing surface Disclosed herein is a method of making an improved bearing surface wherein a first layer of hard chromium is electrodeposited on a metallic substrate, a second layer of microcracked chromium is deposited on the first layer and the second layer of microcra... | 08/02/1977 |
| 4023998 | Method for the production of through holes in a laminate A method for the production of through holes in a laminate comprising an insulating base provided with a thin metal layer on at least one side, said laminate being intended for printed wiring. The method is characterized in that the thin metal layer is pr... | 05/17/1977 |
| 4022670 | Process for preparation of lithographic printing plates Lithographic printing plates of aluminum or aluminum alloys are provided with an anodized surface layer, to which a photosensitive layer may be directly applied, which displays excellent adhesion and durability in use. For this purpose, anodization is car... | 05/10/1977 |
| 4007099 | Cathodic production of micropores in chromium A metal base which has a decorative chromium plate layer 0.002 to 0.10 mil thick on a nickel or similar substrate, usually 5 to 100 or more times as thick as the chromium plate layer, is used as a cathode in an electric cell in which the electrolyte solut... | 02/08/1977 |
| 3986940 | Process for manufacturing electrolytically chromated steel sheet In a conventional electrolytic chromating bath, a steel sheet is subjected to a cathodic electrolytic chromate treatment at a relatively high speed of 400 to 1,000m per minute, to form simultaneously a lower layer of metallic chromium and an upper layer o... | 10/19/1976 |
| 3971120 | Direct-on ceramic coating of carbon-rich iron A process is disclosed for preparing an iron workpiece containing at least 0.03% by weight carbon for a direct-on, one-fire ceramic or enamel coat. A substantially continuous layer of substantially pure iron is pressure-bonded onto a surface of the carbon... | 07/27/1976 |
| 3966570 | Electrolytic post-treating method of electrolytically chromate treated or metallic chromium plated steel sheet Method of electrolytically post-treating an electrolytically chromate treated or metallic chromium plated steel sheet comprises anodically treating the said electrolytically chromate threated or metallic chromium plated steel sheet in an electrolyte other... | 06/29/1976 |
| 3953266 | Process for fabricating a semiconductor device A method of fabricating a semiconductor composite comprises providing a semiconductor substrate having a platinum layer, masking the platinum layer with a chromium mask layer, applying a patterned photoresist layer over the chromium mask layer, etching aw... | 04/27/1976 |
| 3935081 | Density control for electroplatable polymer compositions A plastic composition especially suitable for use in barrel electroplating processes is prepared by incorporating in the plastic a siliceous filler and a heavy filler such as barium sulfate or zinc oxide in amounts such that the density of the molded comp... | 01/27/1976 |
| 3935083 | Method of forming insulating film on interconnection layer A method for forming an insulating film on an interconnection layer for an integrated circuit, or the like, includes the steps of forming an aluminum layer on the surface of a substrate, oxidizing a thin portion of the upper surface of the aluminum layer ... | 01/27/1976 |
