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    • 8. 发明授权
    • Surface mountable coaxial solder interconnect and method
    • 表面贴装同轴焊接互连及方法
    • US06239385B1
    • 2001-05-29
    • US09031864
    • 1998-02-27
    • Matthew K. SchwiebertRon BarnettGeary L. ChewGerald J. GleasonDean B. Nicholson
    • Matthew K. SchwiebertRon BarnettGeary L. ChewGerald J. GleasonDean B. Nicholson
    • H01R1204
    • H05K1/025H01L2223/6622H01P5/085H01R24/50H05K1/0222H05K1/113H05K3/3436H05K3/3484H05K3/4644H05K2201/09618H05K2201/09809H05K2203/0113H05K2203/0338H05K2203/043Y02P70/613
    • A surface mountable coaxial solder interconnect. The invention provides a small, low-cost, passively self-aligning, high-frequency electronic interconnect adapted to mass production and method. The invention includes a substrate, a signal conductor, and an annular conductor. The substrate incorporates an annular pad and a signal pad substantially centered within the annular pad. The signal conductor includes reflowed solder and is wetted to the signal pad. Similarly, the annular conductor includes reflowed solder and is wetted to the annular pad. The invention may also provide a second substrate substantially parallel to the first substrate that includes a second annular pad and a second signal pad substantially centered within the second annular pad. In such a case, the signal conductor is also wetted to the second signal pad, and, similarly, the annular conductor is also wetted to the second annular pad. The method of the invention includes obtaining a mask and a substrate. The mask obtained defines a center cavity and an annular cavity surrounding the center cavity, and may also define an outer cavity in fluidic communication with the annular cavity. The substrate obtained includes a solder-wettable signal pad, and a solder-wettable annular pad surrounding the signal pad. The mask is then filled with solder paste and aligned with the substrate such that the center cavity of the mask is in registry with the signal pad. The solder paste is then reflowed, generating solder wetting the solder-wettable signal pad and the solder-wettable annular pad.
    • 可表面安装的同轴焊接互连。 本发明提供了适用于批量生产和方法的小型,低成本,被动自对准的高频电子互连。 本发明包括基板,信号导体和环形导体。 衬底包括环形垫和基本上位于环形垫内的信号垫。 信号导体包括回流焊料并被润湿到信号焊盘。 类似地,环形导体包括回流焊料并被润湿到环形垫。 本发明还可以提供基本上平行于第一基板的第二基板,该第二基板包括第二环形垫和基本上位于第二环形垫内的第二信号垫。 在这种情况下,信号导体也被润湿到第二信号焊盘,并且类似地,环形导体也被润湿到第二环形焊盘。 本发明的方法包括获得掩模和基底。 获得的掩模限定了中心空腔和围绕中心空腔的环形空腔,并且还可以限定与环形空腔流体连通的外部空腔。 获得的基板包括可焊接润湿信号焊盘和围绕信号焊盘的可焊接润湿的环形焊盘。 然后将掩模用焊膏填充并与衬底对准,使得掩模的中心腔与信号垫对准。 然后将焊膏回流,产生焊料润湿可焊接润湿的信号垫和可焊接润湿的环形垫。