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    • 20. 发明授权
    • Module with embedded electronic components
    • 嵌入式电子元件模块
    • US07876570B2
    • 2011-01-25
    • US12566186
    • 2009-09-24
    • Masanori MinamioHideki TakeharaYoshiyuki AraiToshiyuki Fukuda
    • Masanori MinamioHideki TakeharaYoshiyuki AraiToshiyuki Fukuda
    • H05K1/16
    • H05K3/284H05K3/3442H05K2201/0191H05K2201/10636Y02P70/611
    • In a module with embedded electronic components, connection electrodes are formed on the component mounting surface of a substrate. The electrode portions of each of the electronic components are placed on the individual connection electrodes and connected in fixed relation thereto by using a solder. The electronic components are encapsulated in an encapsulating resin. When the distance between the lower surface of the main body portion of each of the electronic components and the component mounting surface is assumed to be a and the thickness of the portion of the encapsulating resin which is located above the main body portion of the electronic component is assumed to be b, if b/a is set to a value of not more than 6, it becomes possible to prevent, when the module with embedded electronic components is reflow-mounted on a printed wiring substrate or the like, the occurrence of a short circuit failure resulting from the melting and flowing of the solder which causes a short circuit between the two electrode portions.
    • 在具有嵌入式电子部件的模块中,在基板的部件安装面上形成有连接电极。 每个电子部件的电极部分被放置在各个连接电极上,并通过使用焊料与固定的关系连接。 电子部件被封装在封装树脂中。 当将每个电子部件的主体部分的下表面与部件安装表面之间的距离假设为a,并且封装树脂的位于电子部件的主体部分上方的部分的厚度 假定为b,如果b / a设定为不大于6的值,则当具有嵌入式电子部件的模块被回流安装在印刷布线基板等上时,可以防止发生 由焊料的熔化和流动导致的短路故障,这导致两个电极部分之间的短路。