C - Chemistry – Metallurgy – 23 – C
Patent
C - Chemistry, Metallurgy
23
C
117/167
C23C 22/48 (2006.01) B23K 35/22 (2006.01) B23K 35/36 (2006.01) C23F 11/10 (2006.01) C25D 5/48 (2006.01)
Patent
CA 1332130
METHOD FOR POST-TREATMENT OF PLATED STEEL SHEET FOR SOLDERING ABSTRACT OF THE DISCLOSURE Electroplated steel sheet suitable for soldering is provided herein by coating the plated steel sheet with a post-treatment solution in the range of 0.02 to 2 µm in dry thickness. The post-treatment solution contains from 2 to 100 g/l of at least one water-soluble or water-dispersed material. The post-treatment solution may further contain chromium ion, hereafter referred to as Cr6+, from 0.01 to 3 g/l, and/or organic amine soap from 10 to 100 g/l. A suitable pH value of the post-treatment solution is from 3 to 10.
551642
Fujimoto Junichi
Ichishima Masashi
Kanda Katsumi
Kondo Yoshikazu
Tanaka Takashi
Fujimoto Junichi
Ichishima Masashi
Kanda Katsumi
Kondo Yoshikazu
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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