Printed boards and printed board assemblies - Design and use -- Part 5-8: Attachment (land/joint) considerations - Area array components (BGA, FBGA, CGA, LGA

• 印制板和印制板组装件---设计和适用---第5-8部分：连接（焊盘／连接）考虑：面阵列元器件(BGA,FBGA,CGA,LGA