copper or copper alloys comprising an oxidizing agent, which can oxidize the copper or copper alloy and is selected from cupric ion source compounds; an organic acid or an inorganic acid; a halide ion source compound; a polymer compound, which contains polyamine or polyimine chains or a cationic group or both in the amount of 0.000001 to 1.0% by weight; and water. PROCESS SURFACES
U.S. Patent 5,965,210. Oct. 12, 1999 M. Tada et al., assignors to Kawasaki Steel Corp., Hyogo, and Mitsubishi Heavy Industries, Ltd., Tokyo
U.S. Patent 5,965,205. Oct. 12, 1999 M. Yoshida, assignor to Henkel Corp., Gulph Mills, Pa.
A process for treating a tinned metal surface in order to form a corrosion-protective, paint-adherent coating comprising bringing
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the metal surface being treated into contact with an aqueous liquid coat-forming composition having a pH of not more than 6.0 and comprising water and 0.5 to 30 parts by weight of phosphate ions; 0.1 to 10 parts by eight of condensed phosphate ions; and 0.1 to 20 parts by weight of watersoluble polymer molecules.
A hot-dip coating method in which a steel strip is coated as it is fed upwardly through a slit in a bottom of a coating tank, the improvement comprising making a
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U.S. Patent 5,965,211. Oct. 12, 1999 K. Kondo et al., assignors to Nippondenso Co., Ltd., Kariya, Japan
A process for formation of a copper plating film, which comprises immersing a material to be plated in an electroless copper plating solution of copper ions; a reducing agent; a pH-adjusting agent; a trialkanolmonoamine or a salt thereof in an amount sufficient to act as a complexing agent and ac-
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WE MANUFACTURE : INCLINED PLATE CLARIFIER SYSTEMS FROM 5 TO 1000 GPM SEQUENTIAL BATCH SYSTEMS FROM 250 TO 5000 GALLON MEMBRANE SYSTEMS FROM 2 GPM TO 250 GPM ION EXCHANGE SYSTEMS FROM 2 TO 100 GPM
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flow velocity of the molten metal uniform across a breadth of the strip by directing the molten metal through a flow restricting buffer as the molten metal enters the coating tank at the inlets.
TRAINING FOR BETTERMETAL FINISHING
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