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7540950 |
Electrically conductive body including an adhesion promoter layer, and process for depositing an adhesion promoter layer
An electrically conductive body, which in particular includes a metal and/or an alloy and/or a semiconductor, includes an adhesion promoter layer provided on at least one surface of the...
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7537663 |
Corrosion-inhibiting coating
A corrosion-inhibiting coating, process, and system that provides a tight, adherent zinc- or zinc-alloy coating that is directly deposited onto steel or cast iron surfaces for enhanced corrosion...
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7115197 |
Coating process
This invention relates to a process for electroplating a selected surface area of a component with a crushable zinc alloy, the method comprising utilizing a relatively low current density in an...
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7109375 |
Zinc and zinc alloy electroplating additives and electroplating methods
An additive for an alkaline zinc or zinc alloy electroplating bath medium, the additive comprising a random co-polymer comprising the reaction product of: (i) one or more di-tertiary amines...
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7087315 |
Method for forming plating film
A method for forming a plating film, comprising the steps of: applying a plating film onto an object to be plated at a first current density for a predetermined period in a plating bath having a...
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7070689 |
Acid dip for zinc-manganese alloy electrodeposition
The invention relates to a dip comprising an acid aqueous solution having no ammonium ion, fluoroborate ions or citrate ion and containing per liter: between 10 and 60 g of Zn 2+ ions and between...
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7030183 |
Surface treating method and surface treating agent
A plating solution containing zinc, an electrically conductive salt, an adsorbent, and at least one of mono- to hexavalent metal ions. A treatment using either a solution which contains, all per...
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6982030 |
Reduction of surface oxidation during electroplating
Methods of providing improved metal coatings or metal deposits on a substrate, improvements in plating solutions that are used to provide such metal deposits and articles of the metal-coated...
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6938552 |
Corrosion-resistant structure incorporating zinc or zinc-alloy plated lead or lead-alloy wires and method of making same
Structure incorporating lead is fabricated from specially prepared components such that mobility of the lead is impeded when the structure is exposed to an unprotected environment such as...
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6837980 |
Bond enhancement antitarnish coatings
Aqueous electroplating solutions and methods are provided for the codeposition of zinc and chromium. The solutions include effective amounts of zinc, chromium, and hydroxyl ions. The solutions...
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6811673 |
Method for electrolytic galvanizing using electrolytes containing alkane sulphonic acid
Matt surfaces are obtained when a metal is coated electrolytically with zinc from an electrolyte solution which contains zinc sulfate or an alkanesulfonate of zinc or mixtures thereof, and...
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6773568 |
Metal alloy compositions and plating methods related thereto
The present invention provides inter alia electroplating compositions, methods for use of the compositions and products formed by the compositions. Electroplating compositions of the invention are...
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6770185 |
Aqueous solution for electrodepositing tin-zinc alloys
The invention relates to an aqueous solution comprising the following components: Zn(II) ions, Sn(II) ions, aliphatic carboxylic acids and/or their alkaline salts, anionic surfactants,...
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6706167 |
Zinc and zinc alloy electroplating additives and electroplating methods
A polymer additive for alkaline zinc and zinc alloy electrodepositing media and processes comprises the reaction product of one or both of (i) a first di-tertiary amine of the formula: where...
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6652728 |
Cyanide-free aqueous alkaline bath used for the galvanic application of zinc or zinc-alloy coatings
An aqueous alkaline cyanide-free bath for the galvanic deposition of zinc or zinc alloy coatings on substrate surfaces is described, which contains in addition to a source of zinc ions and...
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6605369 |
Surface-treated copper foil and method for producing the same
The present invention is directed to provision of a surface-treated copper foil exhibiting a maximum effect of a silane coupling agent which is adsorbed onto the copper foil and is employed in...
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6582582 |
Electroplating composition and process
An electroplating bath is disclosed that is particularly suited to the electrodeposition of tin, zinc and alloys of the foregoing in a smooth and bright electrodeposit. The disclosed electroplating...
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6562220 |
Metal alloy sulfate electroplating baths
The use of alkali metal, alkaline earth metal, ammonium and substituted ammonium salts of alkyl and alkanol sulfonic acids as additives in pure metal and metal alloy sulfate electroplating baths...
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6524723 |
Copper foil for printed circuit boards and its surface treatment method
Disclosed is a copper foil—for printed circuit boards—which is especially excellent in soft etching property and also superior in such properties as heat discoloration resistance, rust-proofing...
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6500886 |
Surface treating agent
A plating solution containing zinc, an electrically conductive salt, an adsorbent, and at least one of mono- to hexavalent metal ions. A treatment using either a solution which contains, all per...
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6436269 |
Plating bath and method for electroplating tin-zinc alloys
The present invention relates to an aqueous plating bath for electrodeposition of tin-zinc alloys comprising at least one bath-soluble stannous salt, at least one bath soluble zinc salt, and a...
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6319621 |
Copper foil having glossy surface with excellent oxidation resistance and method of manufacturing the same
To establish a technique of further improving the oxidation resistance of the glossy surface of a copper foil that has a composite layer containing chromium, zinc, and phosphorus on its glossy...
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6248228 |
Metal alloy halide electroplating baths
The use of alkali metal, alkaline earth metal, ammonium and substituted ammonium salts of alkyl and alkanol sulfonic acids as additives in pure metal and metal alloy halide electroplating baths has...
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6238542 |
Water soluble brighteners for zinc and zinc alloy electrolytes
A process for the galvanic precipitation of zinc deposits and/or zinc alloy deposits on a metallic surface, working with an aqueous acid electrolyte which contains at least one zinc salt as well as...
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6183545 |
Aqueous solutions for obtaining metals by reductive deposition
An aqueous solution for the reductive deposition of metals comprising, besides water, (A) a phosphine of the general formula (1) ##STR1## in which R 1 , R 2 , and R 3 denote lower alkyl...
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6168703 |
Copper foil and laminate containing a hydrogen inhibitor
This invention relates to a process for applying a stabilization layer to at least one side of copper foil comprising contacting said side of said copper foil with an electrolyte solution...
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6071570 |
Electrodes of improved service life
A method of preparing electrodes is now described, which electrodes have enhanced adhesion of subsequently applied coatings combined with excellent coating service life. In the method, a substrate...
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5908544 |
Zinc-chromium stabilizer containing a hydrogen inhibiting additive
This invention relates to a process for applying a stabilization layer to at least one side of copper foil comprising contacting said side of said copper foil with an electrolyte solution...
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5788822 |
High current density semi-bright and bright zinc sulfur-acid salt electrogalvanizing process and composition
The inventors disclose a process for producing semi-bright to bright electrogalvanic coatings at high current densities, comprising electroplating a cathodic conductive substrate in a coating bath...
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5762778 |
Non-cyanide brass plating bath and a method of making metallic foil having a brass layer using the non-cyanide brass plating bath
The present invention provides a non-cyanide brass plating bath composition containing copper, zinc, metal polyphosphate, and orthophosphate, with the proviso that the composition does not contain...
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5656148 |
High current density zinc chloride electrogalvanizing process and composition
An electrogalvanizing process and composition are disclosed for reducing high current density dendrite (HCD) formation and edge burn and controlling high current density roughness, grain size and...
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5618402 |
Tin-zinc alloy electroplating bath and method for electroplating using the same
A tin-zinc alloy electroplating bath comprises an amphoteric surfactant, a water-soluble stannous salt, a water-soluble zinc salt and a balance of water. When the tin-zinc alloy plating bath of the...
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5616232 |
Process for producing zinc-chromium alloy-electroplated steel plate
A process for producing a Zn--Cr alloy-electroplated steel plate, comprising immersing a steel plate in an acidic bath containing Zn +2 ions and Cr +3 ions and subjecting the steel plate to...
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5609747 |
Method of dissolving zinc oxide
A method of dissolving zinc oxide in which, to perform continuous zinc-system electroplating of a steel sheet using an insoluble anode, particularly continuous zinc-nickel alloy electroplating, a...
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5534128 |
Non-cyanide copper-zinc electroplating bath, method of surface treatment of copper foil for printed wiring board using the same and copper foil for printed wiring board
A copper foil for a printed wiring board which has a carbon-containing copper-zinc coating comprising 40 to 90 atomic % of copper, 5 to 50 atomic % of zinc and 0.1 to 20 atomic % of carbon is...
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5525207 |
Polyalkylene glycol bis-phenyl-a-sulfopropyl diether compound and their salts, and process for their use
The present invention relates to a novel composition of matter, and a process for its use as an electroplating additive for enhancing the performance of a plating bath. Polyalkylene glycol...
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5492615 |
Cyclodextrin stabilization of organic metal finishing additives in aqueous metal treating baths
A method for stabilizing organic metal finishing additives in aqueous metal treating baths by dissolving the organic metal finishing additive with a cyclodextrin and a common solvent therefor, so...
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5489373 |
Aqueous zinc solution resistant to precipitation
There is disclosed an aqueous chemical solution that consists essentially of zinc ions, a source of hydroxides, and silicon ions. The ratio of silicon to zinc (Si:Zn) is, by weight from about 1:5...
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5458764 |
Method of manufacturing plated steel sheet with zn-cr alloy plating
There is disclosed a method of manufacturing a plated steel sheet with a Zn--Cr alloy plating, including the steps of preparing a plating bath having a pH of 1 to 3 by adding 50 to 250 g/l of...
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5447619 |
Copper foil for the manufacture of printed circuit boards and method of producing the same
A surface of copper foil is protected from oxidation and tarnishing by electrodepositing on the surface a protective layer containing metallic zinc and one or more compound of tri-valent chromium,...
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5421988 |
Method of manufacturing plated steel sheet with Zn-Cr composite plating
There is disclosed a method of manufacturing a plated steel sheet with a Zn--Cr composite plating, wherein a total of 0.01 to 300 g/l of at least one type of salt having a pH buffering action in a...
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5421969 |
Surface-treated steel sheet having improved weldability and plating properties, and method for producing the same
A zinc or zinc-alloy plated steel sheet having an improved weldability and plating properties, as well as a method for making the same is provided. Even when the substrate steel sheet is the one...
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5417840 |
Alkaline zinc-nickel alloy plating baths
An aqueous alkaline plating bath for the electrodeposition of a zinc-nickel alloy coating on a substrate is described. The plating bath generally comprise (A) zinc ions; (B) nickel ions; and ...
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5405523 |
Zinc alloy plating with quaternary ammonium polymer
A zinc alloy electroplating bath comprising zinc ions, alloy metal ions of a metal of the first transition of the Periodic Table, and a brightening agent comprising a ureylene quaternary ammonium...
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5378346 |
Electroplating
Tin-zinc alloys can be electroplated from an aqueous alkaline solution containing an alkali metal zincate, an alkali metal stannate, and an alkali metal tartrate. The electroplating bath is...
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5332486 |
Anti-oxidant coatings for copper foils
This invention relates to a method for increasing oxidation protection and decreasing the nonuniformities in an electrodeposited layer of a treated copper foil or treated copper-based alloy foil,...
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5273643 |
Method of producing zinc-chromium alloy plated steel sheet with excellent plating adhesiveness
The present invention provides a method of producing a zinc-chromium alloy-plated steel sheet having excellent properties such as bare corrosion resistance, corrosion resistance after coating,...
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5242572 |
Coated steel sheets and process for producing the same
Disclosed are electro-plated steel sheets having a primer coating composed of 5 to 30% by weight of Cr, 0.005 to 5% by weight of cation polymer, with the balance being Zn, with or without a further...
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5234574 |
Process for direct zinc electroplating of aluminum strip
A process for direct zinc electroplating of aluminum strip which can be performed continuously at a high speed and a high current density. The process comprises pretreating aluminum strip by...
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5200057 |
Additive composition, acid zinc and zinc-alloy plating baths and methods for electrodedepositing zinc and zinc alloys
An additive composition is described with comprises a mixture of (a) poly(N-vinyl-2-pyrrolidone), and p0 (b) at least one sulfur-containing compound selected from compounds of the formulae ...
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