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    • 10. 发明授权
    • Printed circuit board
    • 印刷电路板
    • US08080741B2
    • 2011-12-20
    • US12149522
    • 2008-05-02
    • Myung Sam KangChin Kwan Kim
    • Myung Sam KangChin Kwan Kim
    • H05K1/11
    • H05K3/4007H05K3/246H05K3/3457H05K3/4069H05K2201/0347H05K2201/0367H05K2201/0376H05K2201/09481H05K2201/09745
    • A printed circuit board, which increases the contact area between an IC and a printed circuit board, thus increasing the degree of adhesion, is disclosed. The printed circuit board includes: an insulation layer which includes a first circuit pattern, including at least one via land, embedded in the upper surface of the insulation layer to be flush with the upper surface, and a second circuit pattern formed in the lower surface of the insulation layer to be flush with the lower surface; a solder resist layer formed on the insulation layer; a via hole and a bump integrally formed on the second circuit pattern through the via hole and the via land such that it protrudes from the insulation layer to be higher than the solder resist layer.
    • 公开了一种印刷电路板,其增加了IC和印刷电路板之间的接触面积,从而增加了粘合度。 印刷电路板包括:绝缘层,其包括嵌入在绝缘层的上表面中以与上表面齐平的至少一个通孔焊盘的第一电路图案,以及形成在下表面中的第二电路图案 的绝缘层与下表面齐平; 形成在绝缘层上的阻焊层; 通孔和通过通孔和通孔焊盘一体地形成在第二电路图案上的突起,使得其从绝缘层突出成高于阻焊层。