全国回收 回收HAKKO/白光自动化设备回收电子板,库卡工业相机回收-力士乐显示屏回收,承德开发板回收 武汉电子元件回收,朝阳专业回收基恩士LS-9120M,秦皇岛芯片回收 德州驱动器回收,回收MDS-A-SVJ-10-MDME202G1H,4.3寸液晶屏回收 回收plc,废旧富士伺服驱动库存回收 回收Advantest(爱德万)仪器仪表,回收松下PLC模块 回收HG-KNS73BJ,东芝显卡芯片ic,回收读码器 回收LJ-3000,新唐音频芯片ic,回收RENESAS瑞萨电子料,回收MR-J2S-100A-M9RZ60S4DGA,蚌埠多少钱回收基恩士LJ-V7001+LJ-V7200,瑞昱芯片ic,华强北ic芯片回收档口 回收AGILENT安捷伦仪器仪表
乔盛电子回收自动化组装设备_回收生产线价格公道,与其他常见的污渍接触后不留痕迹











覆铜覆盖焊盘时,要完全覆盖,shape和焊盘不能形成锐角的夹角。尽量用覆铜替代粗线。当使用粗线时,过孔通常为非通常走线过孔,增大过孔的孔径和焊盘。修改后:3.尽量用覆铜替换覆铜+走线的模式,后者常常产生一些小尖角和直角使用覆铜替换走线:修改后4.shape的边界必须在格点上,grid-off是不允许的。(sony规范)5.shapecorner必须大小一致,如下图,corner的两条边都是4个格点,那么所有的小corner都要这样做。






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