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    • 93. 发明授权
    • Process for manufacturing bumped tab tape
    • 冲压片胶带的制造工艺
    • US5532186A
    • 1996-07-02
    • US319486
    • 1994-10-07
    • Yasushi Kobayashi
    • Yasushi Kobayashi
    • H01L21/60H01L21/48H01L23/498H05K3/34H05K3/36H01L21/71
    • H01L21/4853H01L23/49816H05K3/3426H01L2924/0002H05K2201/09745H05K2201/10681H05K2201/10984H05K2203/041H05K2203/043H05K3/3484H05K3/363Y02P70/613Y10T29/49121
    • A manufacturing method for a TAB tape which forms a plurality of bumps on a plurality of sheet-like leads of the TAB tape. First, the leads are fixed to a belt-shaped tape member having a plurality of first openings arranged at equal intervals in a longitudinal direction and a plurality of second openings formed around each of the first openings. In fixing each lead to the tape member, one end portion of the lead is exposed to each first opening, and the other end portion of the lead is exposed to each second opening. Secondly, a point is pressed onto a surface of each lead to form a plurality of recesses on the surface of each lead. Thirdly, a metal ball is seated in each recess, and is then heated to be molten so that a part of the metal ball may substantially semispherically project from the surface of the lead. Thus, a metal bump is formed as a substantially semispherical part projecting from the surface of each lead. Instead of the use of the metal ball, a mixture of a metal powder and a paste may be filled in each recess. In this case, the mixture filled in each recess is heated to be molten so that a part of the mixture may substantially semispherically project from the surface of each lead, thus forming the metal bumps on the surface of each lead.
    • 一种在TAB带的多个片状引线上形成多个凸块的TAB带的制造方法。 首先,将引线固定在带状带状部件上,该带状部件具有沿纵向相等间隔排列的多个第一开口和围绕每个第一开口形成的多个第二开口。 在将每个引线固定到带构件上时,引线的一个端部暴露于每个第一开口,并且引线的另一端部暴露于每个第二开口。 其次,将点压在每个引线的表面上,以在每个引线的表面上形成多个凹槽。 第三,将金属球放置在每个凹槽中,然后被加热熔化,使得金属球的一部分可以从铅的表面基本上半径地突出。 因此,金属凸块形成为从每个引线的表面突出的大致半球形部分。 代替使用金属球,可以在每个凹部中填充金属粉末和糊料的混合物。 在这种情况下,填充在每个凹部中的混合物被加热熔化,使得该混合物的一部分可以从每个引线的表面基本上半径地突出,从而在每个引线的表面上形成金属凸块。