Method of preparing copper plating layer having high adhesion to magnesium alloy using electroplating
    12.
    发明授权
    Method of preparing copper plating layer having high adhesion to magnesium alloy using electroplating 失效
    使用电镀制备对镁合金具有高附着性的镀铜层的方法

    公开(公告)号:US07368047B2

    公开(公告)日:2008-05-06

    申请号:US11350911

    申请日:2006-02-10

    申请人: Byung Chul Park

    发明人: Byung Chul Park

    IPC分类号: C25D5/10 C25D5/34

    摘要: Disclosed is a method of preparing a copper electroplating layer having high adhesion to a magnesium alloy, which is advantageous because the usability of the magnesium alloy, having the highest specific strength among actually usable metals, can be increased through the development of a process of forming a uniform copper plating layer upon electroplating of the magnesium alloy. The method of preparing a copper electroplating layer having high adhesion to a magnesium alloy of this invention is characterized in that the magnesium alloy is pretreated with a plating pretreatment solution to form a film for electroplating, serving as a magnesium alloy pretreatment layer, exhibiting a uniform current distribution, which is then electroplated with copper to form the copper plating layer. According to this invention, through the pretreatment of the magnesium alloy, the adhesion of the copper plating layer to the film for electroplating formed on the magnesium alloy can be increased.

    摘要翻译: 公开了一种制备对镁合金具有高粘附性的铜电镀层的方法,这是有利的,因为通过开发成型工艺可以提高具有最高比强度的镁合金在实际使用的金属中的可用性 在镁合金电镀时的均匀镀铜层。 制备对本发明的镁合金具有高粘附性的铜电镀层的方法的特征在于,镁合金用电镀预处理溶液预处理以形成用作电镀的膜,用作镁合金预处理层,显示出均匀的 电流分布,然后用铜电镀以形成镀铜层。 根据本发明,通过镁合金的预处理,能够提高铜镀层与形成在镁合金上的电镀用膜的密合性。

    Hand brake with the foldable operating lever
    13.
    发明授权
    Hand brake with the foldable operating lever 失效
    用可折叠操作杆手刹

    公开(公告)号:US6016718A

    公开(公告)日:2000-01-25

    申请号:US1014

    申请日:1997-12-30

    IPC分类号: B60T7/10 G05G1/04 B60T7/08

    摘要: A hand brake with a foldable operation lever comprises a ratchet fixed onto a car frame and an operating lever that can be moved up and down and coupled by a hinge onto the ratchet. It also comprises a push button, a rod coupled to the push button, and a slider coupled to the rod. The slider is located inside the operating lever and forcibly rotates a pawl. The pawl is coupled by a hinge to a rotational body, which allows the operating lever to be selectively locked and released from the ratchet. The operating lever also includes a lever limiter, which limits the rotation of the operating lever.

    摘要翻译: 具有可折叠操作杆的手制动器包括固定到汽车车架上的棘轮和可以上下移动并通过铰链耦合到棘轮上的操作杆。 它还包括按钮,连接到按钮的杆和联接到杆的滑块。 滑块位于操作杆内部并强制旋转棘爪。 棘爪通过铰链联接到旋转体,这允许操作杆被选择性地从棘轮锁定和释放。 操作杆还包括杠杆限制器,其限制操作杆的旋转。