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  • Users: SFChong
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  1. SFChong

    Etchant for Thin Film Media

    Hi, I'm searching for the correct type of etchant for thin film media. I need to etch away the Chromium and Cobalt layers which underneatch layer is Nikel/Phosphorus and the base material is Al. I also briefly know that Hydrochloric acid and Nitric acid may work; but I need to retain the Silicon...

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