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    • 8. 发明申请
    • DOUBLE-SIDED FLEXIBLE PRINTED CIRCUIT BOARD AND METHOD OF MANUFACTURING THE SAME
    • 双面柔性印刷电路板及其制造方法
    • US20130062102A1
    • 2013-03-14
    • US13697246
    • 2010-07-19
    • Sung Won LeeJae Beum KimHwa Jin Kim
    • Sung Won LeeJae Beum KimHwa Jin Kim
    • H05K1/03H05K3/06
    • H05K3/427H05K1/0393H05K3/108H05K2201/0154
    • The present invention relates to a double-sided flexible printed circuit board in which circuit patterns are formed, including an insulating substrate, conduction layers sputtered on both sides of the insulating substrate, a through hole formed to connect circuits formed in the both sides, seed layers formed on the conduction layers of the both sides, and pattern plating layers formed on an inner wall of the through hole and on the respective seed layers, and a method of manufacturing the same. Accordingly, the loss of a circuit width can be minimized because a sputtering-type material not an adhesive is used between the insulating substrate and the thin copper (Cu) layer. Further, productivity can be improved because a roll-to-roll process can be used. In addition, the thickness of a circuit can be controlled and micro circuit patterns can be formed because a semi-additive method is used.
    • 本发明涉及一种双面柔性印刷电路板,其中形成有电路图案,包括绝缘基板,溅射在绝缘基板的两侧的导电层,形成为连接形成在两侧的电路的通孔,种子 形成在两侧的导电层上的层以及形成在通孔的内壁上和各个种子层上的图案镀层及其制造方法。 因此,在绝缘基板和薄铜(Cu)层之间使用不是粘合剂的溅射型材料,可以使电路宽度的损失最小化。 此外,可以提高生产率,因为可以使用卷对卷工艺。 此外,可以控制电路的厚度,并且可以形成微电路图案,因为使用半添加方法。