立体结构密集单元PCB层偏改善
입체결구밀집단원PCB층편개선
Research on mis-registration improvement of dense cells of PCB
  • 万方数据
    印制电路信息 인제전로신식
    PRINTED CIRCUIT INFORMATION
    2014年 8期 61-64 ,共4页

    袁继旺%范金泽%杜红兵%王小平

    원계왕%범금택%두홍병%왕소평

    层间偏移%阶梯槽%板边插头%短路 層間偏移%階梯槽%闆邊插頭%短路
    층간편이%계제조%판변삽두%단로
    Mis-Registration%Cavity%Edge Board Contacts%Short
    在阶梯槽底部制作插头的工艺已经开发成熟，但制作立体结构密集单元PCB产品出现层偏报废异常高的难题。以一款立体结构密集单元阶梯位插头的PCB产品为例，剖析阶梯位插头在制作过程中如何有效控制层偏。
    재계제조저부제작삽두적공예이경개발성숙，단제작입체결구밀집단원PCB산품출현층편보폐이상고적난제。이일관입체결구밀집단원계제위삽두적PCB산품위례，부석계제위삽두재제작과정중여하유효공제층편。
    Making gold finger on cavity bottom to produce the volume PCB has been used. But it is difficult to solve the serious mis-registration with the cavity layers. This paper focuses on how to reduce the mis-registration in the three-dimensions and dense cells of cavity broad with gold finger.
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