Etch chemistry for metallic materials

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United States of America Patent

PATENT NO 11873564
APP PUB NO 20200102657A1
SERIAL NO

16591108

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Abstract

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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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Patent Owner(s)

Patent OwnerAddress
HUTCHINSON TECHNOLOGY INCORPORATED40 WEST HIGHLAND PARK DRIVE NE HUTCHINSON MN 55350

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ladwig, Peter F Hutchinson, US 42 550
Riemer, Douglas P Waconia, US 35 146

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