ALUMINUM ALLOY CASING, PREPARATION METHOD THEREOF, AND PERSONAL ELECTRONIC DEVICE

    公开(公告)号:US20190338436A1

    公开(公告)日:2019-11-07

    申请号:US16474482

    申请日:2017-12-08

    Abstract: The present disclosure provides an aluminum alloy casing, a preparation method thereof and a personal electronic device. The aluminum alloy casing includes an aluminum alloy matrix and an oxide film layer, wherein the aluminum alloy matrix has a slit, the oxide film layer includes an inner anodic oxide film layer and an outer anodic oxide film layer, the inner anodic oxide film layer has inner anodic oxide film layer nanopores, the outer anodic oxide film layer has outer anodic oxide film layer nanopores, the inner anodic oxide film layer nanopores have a density of 200 to 550 pores/square micrometer, and the outer anodic oxide film layer nanopores have a density of 550 to 900 pores/square micrometer.

    HOUSING AND METHOD FOR FABRICATION THEREOF AND APPLICATION THEREOF

    公开(公告)号:US20190159352A1

    公开(公告)日:2019-05-23

    申请号:US16314362

    申请日:2017-06-19

    Abstract: The present disclosure relates to the field of electronic communications, and discloses a housing, a preparation method therefor, and use thereof. The housing includes a metal hard anodic oxide layer (5) and a resin film layer (3) adhering to a first surface of the metal hard anodic oxide layer (5). The metal hard anodic oxide layer (5) and the resin film layer (3) form an integrated structure. The preparation method includes: performing hard anode oxidization treatment on a metal substrate (1), and then successively performing injection molding and etching.

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