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US 2023/0151493 A1Published application
Metal displacement solution, method for surface treatment of aluminum or aluminum alloy
AssigneeC.Uyemura & Co., Ltd.
InventorsTakuma Maekawa, Katsuhisa Tanabe, Sayuri Tanaka, Fuminori Shibayama
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Abstract
The present invention aims to provide a metal displacement solution that can provide good adhesion to a plating film (metal film), and a method for surface treatment of aluminum or an aluminum alloy using the metal displacement solution. Included is a metal displacement solution which contains a zinc compound, a nickel compound, a germanium compound, and a fluorine compound.
Claims10
A metal displacement solution, comprising:
- at least one zinc compound;
- at least one nickel compound;
- at least one germanium compound;
- and
- at least one fluorine compound.
2 more elements
Dependencies are inferred from the claim text.