DIN EN 61188-5-6-2003 印制板和印制板组件.设计和使用.第5-6部分:附件的要求.四面带有J形引线的片状载体
Printed boards and printed board assemblies - Design and use - Part 5-6: Attachment (land/joint) considerations; Chip carriers with J-leads on four sides (IEC 61188-5-6:2003); German version EN 61188-5-6:2003