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    • 6. 发明申请
    • Encapsulant mixture having a polymer bound catalyst
    • 具有聚合物结合催化剂的密封剂混合物
    • US20050124785A1
    • 2005-06-09
    • US10731852
    • 2003-12-08
    • James Matayabas
    • James Matayabas
    • C08G59/18C08G59/24C08G59/40C08G59/68H01L21/56H01L23/29H01L21/44C08G65/34H01L21/48H01L21/50
    • C08G59/245C08G59/18H01L21/565H01L23/293H01L2924/0002H01L2924/00
    • A method of constructing a microelectronic assembly as provided. A mold piece is locating over a microelectronic die carrying an integrated circuit. An encapsulant is injected into a space defined between surfaces of the mold piece and the microelectronic die. The encapsulant includes a liquid phase epoxy and a solid phase catalyst compound when injected. The encapsulant mixture is heated in the space to a temperature where the catalyst compound becomes a liquid and cures the epoxy. The catalyst compound may, for example, be polystyrene and the catalyst may be diphenyl phosphine. The catalyst compound is then heated to above its glass transition temperature so that the diphenyl phosphine is released from the polystyrene. The diphenyl phosphine then cures the epoxy. The epoxy is preferably a liquid at room temperature.
    • 提供的构造微电子组件的方法。 模具位于承载集成电路的微电子管芯上。 将密封剂注入到在模具的表面和微电子模具之间限定的空间中。 注射剂包括液相环氧树脂和固相催化剂化合物。 将密封剂混合物在该空间中加热到催化剂化合物变成液体并固化环氧树脂的温度。 催化剂化合物可以是例如聚苯乙烯,催化剂可以是二苯基膦。 然后将催化剂化合物加热至高于其玻璃化转变温度,使得二苯基膦从聚苯乙烯释放。 二苯基膦然后固化环氧树脂。 环氧树脂在室温下优选为液体。