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    • 47. 发明授权
    • Method to enhance the adhesion between dry film and seed metal
    • 提高干膜和种子金属之间粘附的方法
    • US06926818B1
    • 2005-08-09
    • US09961557
    • 2001-09-24
    • Yih-Ann LinTung-Heng ShieKai-Ming ChingSheng-Liang PanKuo-Liang Lu
    • Yih-Ann LinTung-Heng ShieKai-Ming ChingSheng-Liang PanKuo-Liang Lu
    • C25D5/02
    • C25D5/022H01L2224/0401H01L2224/05557
    • A method of forming a bump structure through the use of an electroplating solution, comprising the following steps. A substrate having an overlying conductive structure is provided. A patterned dry film resist is formed over the conductive structure. The patterned dry film resist having a trench exposing a portion of conductive structure. The patterned dry film resist adhering to the conductive structure at an interface. The structure is treated with a treatment that increases the adherence of the patterned dry film resist to the conductive structure at the interface. A conductive plug is over the exposed portion of the conductive structure within the trench through the use of the electroplating solution. The increased adhesion of the patterned dry film resist to the conductive structure at the interface preventing the electroplating solution from penetrating the interface of the patterned dry film resist and the conductive structure during the formation of the conductive plug. The patterned dry film resist is removed from the conductive structure. The conductive plug is reflowed to form the bump structure.
    • 通过使用电镀液形成凸点结构的方法,包括以下步骤。 提供具有上覆导电结构的基板。 在导电结构上形成图案化的干膜抗蚀剂。 图案化的干膜抗蚀剂具有暴露导电结构的一部分的沟槽。 在界面处附着在导电结构上的图案化的干膜抗蚀剂。 通过增加图案化的干膜抗蚀剂在界面处的导电结构的粘附性的处理来处理该结构。 通过使用电镀溶液,导电插塞在沟槽内的导电结构的暴露部分之上。 图案化的干膜抗蚀剂在界面处增加了对导电结构的粘附,防止电镀溶液在形成导电插塞期间渗透图案化的干膜抗蚀剂和导电结构的界面。 从导电结构去除图案化的干膜抗蚀剂。 导电塞被回流以形成凸块结构。