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    • 82. 发明专利
    • Wiring board
    • 接线板
    • JP2013239604A
    • 2013-11-28
    • JP2012112016
    • 2012-05-16
    • Ngk Spark Plug Co Ltd日本特殊陶業株式会社
    • NISHIDA TOMOHIROMORI SEIJIWAKAZONO MAKOTO
    • H05K3/28
    • H05K3/28H01L21/563H05K1/11H05K3/3436H05K3/3452H05K2201/09881H05K2201/10977H05K2203/025H05K2203/0783
    • PROBLEM TO BE SOLVED: To obtain a wiring board capable of improving flowability of an underfill material filled in a gap between an electronic component and the wiring board.SOLUTION: A wiring board according to the present invention has a laminate on which one or more insulation layers and conductor layers are laminated. The wiring board comprises: plural connection terminals isolated from each other on the laminate; a filling member filled between the plural connection terminals, and contacting at least one part of each side face of the plural connection terminals; and a solder resist layer laminated on the laminate and having an opening for exposing the plural connection terminals. Surface roughness of the filling member is rougher than that of an upper face of the solder resist layer.
    • 要解决的问题:获得能够改善填充在电子部件和布线板之间的间隙中的底部填充材料的流动性的布线板。解决方案:根据本发明的布线板具有层压体,其上具有一个或多个绝缘体 层和导体层被层压。 布线板包括:在层压板上彼此隔离的多个连接端子; 填充部件,填充在所述多个连接端子之间,并且与所述多个连接端子的每个侧面的至少一部分接触; 以及层叠在所述层叠体上并具有用于使所述多个连接端子露出的开口的阻焊层。 填充构件的表面粗糙度比阻焊层的上表面更粗糙。