Method for coating a metal surface with an ultrafine layer

Details Method for coating a metal surface with an ultrafine layer Method for coating a metal surface with an ultrafine layer

2011-06-14

2011-06-14

Fletcher, III, William Phillip (Department: 1715)

Coating processes

Applying superposed diverse coating or coating a coated base

Metallic compound-containing coating

C427S419200, C427S318000, C427S421100, C427S428010, C427S430100

Reexamination Certificate

active

07959982

ABSTRACT:
A method for continuously coating a substrate in motion such as a metal strip made of steel, the coating formed being an ultra-fine film of a thickness between 10 and 100 nm, deposited on the substrate: from a solution containing nanoparticles of oxides, in conditions of controlled pH, said substrate being at a temperature higher than 120° C., the total duration of the deposition being less than 5 seconds and preferably less than 1 second, characterized in that at least one chemical additive, called a “refiner”, is incorporated into said solution, said refiner having, mutatis mutandis, the effect of restricting the formation of said coating.

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English-language translation of the International Preliminary Report on Patentability for PCT/BE2004/000157, Sep. 11, 2006, 7 pages.
http://en.wikipedia.org/wiki/Mutatis—mutandis; retrieved Sep. 20, 2010, 2 pages.
Patent Abstracts of Japan, vol. 13, No. 187, May 2, 1989 & JP 01011983A (Nisshin Steel Co Ltd).
Patent Abstracts of Japan, vol. 1998, No. 3, Feb. 27, 1998 & JP 09296277A (NKK Corp).

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