Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Douglas P. Riemer0
Peter F. Ladwig0
Date of Patent
January 16, 2024
0Patent Application Number
165911080
Date Filed
October 2, 2019
0Patent Citations
Patent Primary Examiner
Patent abstract
An etch chemistry solution for treating metallic surfaces in which the etch chemistry solution includes an oxidizing agent and gluconic acid. The etch chemistry solution may also include an oxidizing agent and a short-chained polyethylene polymer glycol or a short-chained polyethylene copolymer glycol. The metallic surfaces are usually used in circuits such as flexible circuits.
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