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    Method of inkjet printing onto aligners
    42.
    发明授权
    Method of inkjet printing onto aligners 有权

    公开(公告)号：US10471741B2

    公开(公告)日：2019-11-12

    申请号：US16439450

    申请日：2019-06-12

    Applicant: Align Technology, Inc.

    Inventor： Michael Christopher Cole

    IPC: B41M5/00 ,  B41J3/407 ,  B41J11/00 ,  C09D11/322 ,  C09D11/101 ,  A61C7/08 ,  B41M7/00

    Abstract: Provided herein are methods of obtaining good photocured-ink adhesion to low surface energy materials. The methods have greatly improved adhesion of photocured ink on low surface energy materials, including those that are subjected to high humidity or wet environments. The methods take into account the glass transition temperature (Tg) of the materials and the onset for the glass transition temperature, including ink applied to an exposed surface of the material at an elevated temperature that is close to the Tg of the material. The ink is allowed to sit briefly or soak, such as for more than 1 second, before the ink is cured. The ink may be photocured. Furthermore, the methods do not require solvents or surface treatment, including plasma or corona treatments, to obtain good ink adhesion.

    Method of inkjet printing onto aligners
    43.
    发明授权
    Method of inkjet printing onto aligners 有权

    公开(公告)号：US10336102B2

    公开(公告)日：2019-07-02

    申请号：US15945224

    申请日：2018-04-04

    Applicant: Align Technology, Inc.

    Inventor： Michael Christopher Cole

    IPC: B41J3/407 ,  B41F17/00 ,  B41M5/00 ,  B41J11/00

    Abstract: Provided herein are methods of obtaining good photocured-ink adhesion to low surface energy materials. The methods have greatly improved adhesion of photocured ink on low surface energy materials, including those that are subjected to high humidity or wet environments. The methods take into account the glass transition temperature (Tg) of the materials and the onset for the glass transition temperature, including ink applied to an exposed surface of the material at an elevated temperature that is close to the Tg of the material. The ink is allowed to sit briefly or soak, such as for more than 1 second, before the ink is cured. The ink may be photocured. Furthermore, the methods do not require solvents or surface treatment, including plasma or corona treatments, to obtain good ink adhesion.

    SUBSTRATES AND ASSOCIATED MATERIALS FOR ADDITIVE MANUFACTURING
    48.
    发明公开
    SUBSTRATES AND ASSOCIATED MATERIALS FOR ADDITIVE MANUFACTURING 审中-公开

    公开(公告)号：US20240300174A1

    公开(公告)日：2024-09-12

    申请号：US18600201

    申请日：2024-03-08

    Applicant: Align Technology, Inc.

    Inventor： Peter Dorfinger ,  Michael Christopher Cole

    IPC: B29C64/245 ,  B33Y30/00

    CPC classification number: B29C64/245 ,  B33Y30/00 ,  B29K2995/0026

    Abstract: Substrates and associated materials for additive manufacturing are provided. In some embodiments, a device for manufacturing an object from a curable material includes a substrate configured to support the curable material during an additive manufacturing process. The substrate can be at least partially transparent to a wavelength of energy that cures the curable material. The substrate can include a first layer with a first material configured to inhibit adhesion to the curable material. The substrate can also include a second layer with a second material having one or more of increased mechanical strength or increased heat resistance relative to the first material.

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