Surface treatment method for substrate and housing manufactured by the same
AssigneesShenzhen Futaihong Precision Industry Co., Ltd., FIH (Hong Kong) Limited
InventorsShu-Xiang Zhou, Hong-Liang Wang, He-Xian Lin
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Abstract
A surface treatment method for substrate includes: spraying liquid is provided, the spraying liquid includes silane coupling agent, leveling agent, isopropyl alcohol, ethanol, acetic acid and water; a substrate having a metallic coating disposed thereon is provided; the spraying liquid is sprayed on the metallic coating, and then spraying liquid is baked to form a transparent protecting layer on the metallic coating; and a painting layer is formed on the protecting layer. The housing formed by the surface treatment method is also provided.
Claims6
A housing comprising:
- a substrate;
- a metallic coating formed on the substrate;
- a protecting layer formed directly on the metallic coating, the protecting layer comprising material having a chemical formula of
- wherein the R1 is an alkyl group having at least one epoxy group;
- a Si—O—M (M may be metal ion in the metallic coating 13) bond forms between the protecting layer and the metallic coating at the interface, wherein the M is a metal ion of the metallic coating;
- and
- a painting layer formed directly on the protecting layer.
Dependencies are inferred from the claim text.