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    • 1. 发明授权
    • Apparatus and method for tape bonding
    • 胶带粘接装置及方法
    • US4804810A
    • 1989-02-14
    • US170564
    • 1988-03-14
    • Fred DrummondJames W. Clark
    • Fred DrummondJames W. Clark
    • H01L21/00B23K1/12
    • H01L21/67132
    • A bonding apparatus for eutectically bonding tape leads to semiconductors and other substrates includes four separate bonding rails for applying heat. The bonding rails have a preselected distribution of mass along their length in order to compensate for uneven heating characteristics which are normally observed in linear heating elements. Usually, four such heat elements are orthogonally arranged at the bottom ends of four electric power buses. By attaching the heating elements to adjacent power buses, and coupling diagonally opposed pairs of the power buses to the positive and negative polarity of a current source, substantially uniform heating of all four elements may be achieved. The ability to provide uniform heating is critical for properly forming eutectic bonds.
    • 用于将带状引线连接到半导体和其它基板的接合装置包括用于施加热量的四个单独的接合导轨。 接合导轨沿其长度具有预选的质量分布,以便补偿通常在线性加热元件中观察到的不均匀的加热特性。 通常,四个电力总线的底端四个这样的热元件正交地布置。 通过将加热元件附接到相邻的电力总线,并且将对角相对的电力总线对耦合到电流源的正极和负极,可以实现所有四个元件的基本均匀的加热。 提供均匀加热的能力对于正确形成共晶键是至关重要的。