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    NON-AQUEOUS ALUMINUM ANODIZING
    1.
    发明申请
    NON-AQUEOUS ALUMINUM ANODIZING 有权

    公开(公告)号：US20220410535A1

    公开(公告)日：2022-12-29

    申请号：US17654566

    申请日：2022-03-11

    Applicant: Apple Inc.

    Inventor： James A. Curran ,  Isabel Yang ,  Todd S. Mintz

    IPC: B32B15/20 ,  H04M1/02 ,  C25D11/04 ,  C25D11/08 ,  B32B7/12

    Abstract: A component for an electronic device can include a part including a first metal and a second metal diffusion bonded to the first metal. The first metal can be aluminum and the second metal can be different from the first metal. A porous aluminum oxide layer can overlie a portion of the first metal and can be disposed adjacent to an interface between the first metal and the second metal. The component can further include a non-metallic material bonded to the part and extending into pores defined by the porous aluminum oxide layer.

    Electronic Devices Having Corrosion-Resistant Coatings
    2.
    发明申请
    Electronic Devices Having Corrosion-Resistant Coatings 有权

    公开(公告)号：US20210388507A1

    公开(公告)日：2021-12-16

    申请号：US17461222

    申请日：2021-08-30

    Applicant: Apple Inc.

    Inventor： Brian S. Tryon ,  Isabel Yang ,  Todd Mintz ,  Jeremy Li ,  Brian Gable ,  Lijie Bao ,  Yi Chen ,  Christopher D. Prest ,  James Yurko

    IPC: C23C28/00 ,  G04B37/22

    Abstract: An electronic device such as a wristwatch may include a conductive housing. A corrosion-resistant coating may be deposited on the conductive housing. The coating may include transition layers and an uppermost alloy layer. The transition layers may include a chromium seed layer on the conductive housing and a chromium nitride layer on the chromium seed layer. The uppermost alloy layer may include TiCrCN or other alloys and may provide the coating with desired optical reflection and absorption characteristics. The transition layers may include a minimal number of coating defects, thereby eliminating potential sites at which visible defects could form when exposed to salt water. This may allow the electronic device to exhibit a desired color and to be submerged in salt water without producing undesirable visible defects on the conductive housing structures.

    Electronic Devices Having Corrosion-Resistant Coatings
    8.
    发明申请
    Electronic Devices Having Corrosion-Resistant Coatings 审中-公开

    公开(公告)号：US20200071838A1

    公开(公告)日：2020-03-05

    申请号：US16539944

    申请日：2019-08-13

    Applicant: Apple Inc.

    Inventor： Brian S. Tryon ,  Isabel Yang ,  Todd Mintz ,  Jeremy Li ,  Brian Gable ,  Lijie Bao ,  Yi Chen ,  Christopher D. Prest ,  James Yurko

    IPC: C23C28/00 ,  G04B37/22

    Abstract: An electronic device such as a wristwatch may include a conductive housing. A corrosion-resistant coating may be deposited on the conductive housing. The coating may include transition layers and an uppermost alloy layer. The transition layers may include a chromium seed layer on the conductive housing and a chromium nitride layer on the chromium seed layer. The uppermost alloy layer may include TiCrCN or other alloys and may provide the coating with desired optical reflection and absorption characteristics. The transition layers may include a minimal number of coating defects, thereby eliminating potential sites at which visible defects could form when exposed to salt water. This may allow the electronic device to exhibit a desired color and to be submerged in salt water without producing undesirable visible defects on the conductive housing structures.

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