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    • 1. 发明授权
    • Ecological method for constructing circuit boards
    • 电路板生产方法
    • US09456507B2
    • 2016-09-27
    • US14047323
    • 2013-10-07
    • The Boeing Company
    • Donald F. Wilkins
    • H05K3/44H05K3/46H05K1/02H05K1/09B29C70/88B29C35/02H05K3/10H05K3/00
    • H05K3/4673B29C35/0261B29C70/882B29K2995/0005H05K1/0298H05K1/092H05K3/0005H05K3/101H05K3/4644H05K3/4676H05K2201/09118H05K2203/0113Y10T29/49155Y10T29/49163Y10T29/532
    • A method for fabrication of a circuit board using the disclosed embodiments relies on a CAD model of a multilayer circuit board with conductive elements defined by layer. A first granular conductive material layer is introduced into a mold. A fusion process element traverses across the mold to fuse selected portions of the first granular conductive material layer forming first layer conductive elements. An additional granular conductive material layer is introduced into the mold over the fused selected portions of the first layer and unfused portions of the first layer. The fusion process element is then traversed across the mold to fuse selected portions of the additional granular conductive material layer forming an additional layer of conductive elements. Unfused granular conductive material is then purged from the fused first conductive elements and additional conductive layer elements. A dielectric material is then infused into a structure formed by the fused first conductive elements and additional conductive layer elements.
    • 使用所公开的实施例的用于制造电路板的方法依赖于具有由层限定的导电元件的多层电路板的CAD模型。 将第一粒状导电材料层引入模具中。 融合过程元件穿过模具以熔合形成第一层导电元件的第一粒状导电材料层的选定部分。 在第一层的熔融选定部分和第一层的未熔合部分之后,将另外的粒状导电材料层引入模具中。 然后将融合过程元件穿过模具以熔合另外的颗粒状导电材料层的选定部分,形成附加的导电元件层。 然后从熔融的第一导电元件和附加的导电层元件清除未填充的颗粒状导电材料。 然后将电介质材料注入由熔融的第一导电元件和附加导电层元件形成的结构中。