Title: Gray surface treatment process for electrolytic copper foil
Application Number: 200610070549 Application Date: 2006.11.28
Publication Number: 1962944 Publication Date: 2007.05.16
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: C23C28/00;C23C22/24;C25D5/34;C25D3/22;B05D7/24
Applicant(s) Name: Zhaoyuan Jinbao Electronics Co., Ltd. Address:
Inventor(s) Name: Xu Shumin;Hu Xuri;Wang Weihe;Yang Xiangkui;Zheng X
Attorney & Agent:
Abstract:
    The invention discloses a gray surface disposing technique of electrolytic copper foil, which comprises the following steps: coursing the surface of electrolytic copper foil; solidifying; weakening the coursed electric sediment copper or copper alloy; depositing a layer of zinc alloy; passivating through chromate; coating a layer of adhesive. The invention improves anti-oxidizing ability under high-temperature, which can replace import copper foil completely.
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