下载后可任意编辑PCB 工艺规划设计法律规范下载后可任意编辑xxxxxxxxx有限公司企业技术法律规范PCB工艺设计法律规范 下载后可任意编辑目 次前 言 .............................................................241范围和简介.......................................................25范围........................................................25简介........................................................25关键词......................................................252法律规范性引用文件...............................................253术语和定义.......................................................264PCB 叠层设计 ......................................................28叠层方式....................................................28PCB 设计介质厚度要求 .........................................295PCB 尺寸设计总则 ..................................................31可加工的 PCB 尺寸范围 .........................................32PCB 外形要求 .................................................346拼板及辅助边连接设计.............................................35V-CUT 连接 ...................................................36邮票孔连接..................................................38拼板方式....................................................39辅助边与 PCB 的连接方法 .......................................437基准点设计.......................................................45分类........................................................45基准点结构..................................................45拼板基准点和单元基准点...............................45局部基准点...........................................45基准点位置..................................................46拼板的基准点.........................................46单元板的基准点.......................................47局部基准点...........................................488器件布局要求.....................................................48器件布局通用要求............................................48下载后可任意...
