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    • 47. 发明授权
    • Method of packaging fuses
    • 包装保险丝的方法
    • US06255141B1
    • 2001-07-03
    • US09391137
    • 1999-09-07
    • Inderjit SinghHem P. TakiarRanjan J. MathewNikhil V. Kelkar
    • Inderjit SinghHem P. TakiarRanjan J. MathewNikhil V. Kelkar
    • H01L2182
    • H01L23/62H01L2224/13
    • Improved methods of packaging external fuses together with integrated circuit devices are described. A pair of frame strips are provided that each have an associated set of contact pads. A resistor paste is applied to one of the contact pad sets and the frame strips are laminated together by curing the resistor paste which is positioned between the contact pad sets. Dice are mounted to the opposite sides of the second contact pads to form integrated circuit devices having integrally packaged external fuses. The packaged devices are eventually singulated for use. In some embodiments, the contact pads each have downturned tabs that form wings on opposite sides of each die. When the dice are flip chips, a device may be attached to a substrate board by soldering both the bumps on the die and the tab wing tips to the substrate board. In a preferred embodiment, the resistor paste is a positive temperature coefficient resistor paste.
    • 描述了与集成电路器件一起封装外部保险丝的改进方法。 提供了一对框带,每个框带具有一组相关的接触垫。 将电阻浆料施加到接触垫组中的一个,并且通过固化位于接触垫组之间的电阻浆料将框带层压在一起。 骰子安装到第二接触焊盘的相对侧,以形成具有整体封装的外部熔断器的集成电路器件。 封装的装置最终被单独使用。 在一些实施例中,接触垫每个都具有在每个管芯的相对侧上形成翅膀的下降的突片。 当芯片是倒装芯片时,可以通过将裸片上的凸起和凸片翼尖焊接到基板来将装置附接到基板。 在优选实施例中,电阻膏是正温度系数电阻膏。