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    • 2. 发明申请
    • MULTI-LAYER PRINTED CIRCUIT BOARD AND MANUFACTURING METHOD THEREOF
    • 多层印刷电路板及其制造方法
    • US20100126765A1
    • 2010-05-27
    • US12569104
    • 2009-09-29
    • Ki-Hwan KIMJin-Yong AnJae-Joon Lee
    • Ki-Hwan KIMJin-Yong AnJae-Joon Lee
    • H05K1/11B32B38/00B32B38/10C23F1/00
    • H05K3/4007H05K3/205H05K3/4682H05K2201/0367H05K2201/09481H05K2203/054Y10T156/1168
    • A method of manufacturing a multi-layer PCB having external contact pads formed on one side can include: forming an outermost insulation layer, in which openings are formed corresponding with the external contact pads; forming a mask, in which openings are formed corresponding with the external contact pad and with a circuit pattern, on the outermost insulation layer; forming the external contact pads and the circuit pattern in the openings of the outermost insulation layer and the openings of the mask; removing the mask; forming a build-up layer by stacking layers over the outermost insulation layer such that the external contact pads and the circuit pattern are covered; forming a first solder resist layer on the build-up layer; and forming a second solder resist layer on an opposite side of the outermost insulation layer; and forming openings in the second solder resist layer such that the external contact pads are exposed.
    • 一种制造具有形成在一侧上的外部接触焊盘的多层PCB的方法可以包括:形成最外绝缘层,其中形成对应于外部接触焊盘的开口; 形成掩模,其中在最外绝缘层上形成对应于外部接触焊盘和电路图案的开口; 在外绝缘层的开口和掩模的开口中形成外部接触焊盘和电路图案; 去除面膜; 通过在最外层绝缘层上层叠层来形成堆积层,使得覆盖外部接触焊盘和电路图案; 在积层上形成第一阻焊层; 以及在最外绝缘层的相对侧上形成第二阻焊层; 以及在所述第二阻焊层中形成开口,使得所述外部接触焊盘露出。