Anodized aluminum etching process and related apparatus
作者： Gregory S. Marczak , Rick A. Minner
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摘要: A process for selectively etching a surface of an anodized aluminum article. preferred includes: providing sheet or web including first and second sides having finishes; the side to improve adhesion capabilities that but not so retains its finish. The may be colored before etching, thus color after etching. In more embodiment, sodium hydroxide phosphoric acid is used etch aluminum. Optionally, prevented by administering gas liquid over side, masking with protective film, shielding shield. Further, administered controlled increase decrease rate on side.
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