Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Stephan Braye0
Elie Najjar0
Kyle Whitten0
Shaopeng Sun0
Date of Patent
January 25, 2022
0Patent Application Number
167138710
Date Filed
December 13, 2019
0Patent Primary Examiner
Patent abstract
An electroplated cobalt deposit and a method of electrodepositing cobalt on a surface to produce a level deposit across the surface of the substrate. The cobalt electrolyte contains (1) a source of cobalt ions; (2) boric acid; (3) a pH adjuster; and (4) an organic additive, which contains a suppressor. The electroplated cobalt deposit exhibits a level surface such that the thickness difference across substantially the entire surface of the substrate of less than about 200 nm.
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