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公开(公告)号：ZA772051B
公开(公告)日：1978-11-29
申请号：ZA772051
申请日：1977-04-04
Applicant: IBM
Abstract: A plating solution and method of forming such a solution for plating chromium and its alloys from Cr(III) is disclosed. The solution is an aqueous solution of a chromium(III) thiocyanate complex having at least a ligand other than water or thiocyanate in the inner coordination sphere.
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公开(公告)号：BR7907324A
公开(公告)日：1980-07-15
申请号：BR7907324
申请日：1979-11-12
Applicant: IBM
Abstract: A very low concentration (below 0.03 M) trivalent chromium plating bath in which the source of chromium is an equilibrated aqueous solution of a chromium (III) - thiocyanate complex gives a deposit of unexpectedly light color. Such a bath is employed to produce thin overcoatings of light colored chromium for decorative applications. The bath and process is also used to plate the initial layer of a thick (greater than 5 micron) deposit for engineering applications, the major part of which is plated from a higher chromium concentration bath. Such thick deposits from a higher concentration bath are more cohesive and smoother when plated over an initial layer from the low concentration bath.
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Patent Agency Ranking
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公开(公告)号：BR7800435A
公开(公告)日：1978-09-26
申请号：BR7800435
申请日：1978-01-25
Applicant: IBM
IPC: C25D3/06
Abstract: A plating solution and method of forming such a solution for plating chromium and its alloys from Cr(III) is disclosed. The solution is an aqueous solution of a chromium(III) thiocyanate complex having at least a ligand other than water or thiocyanate in the inner coordination sphere.
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