INTRODUCTION 简介........................................................................................................................... 2 Chapter I Process of Applying UL Certification for PWB 申请PWB UL认证的流程................ 3 Chapter II Common-used GLOSSARY of PWB 常用的印刷线路板专业术语............................. 4 Chapter III BOM Preparation of Rigid PWB 如何填写《印刷线路板申请表》....................... 7 Chapter IV COMMON TEST ITEMS 常见测试项目简介......................................................... 17 Chapter V SAMPLE PREPARATION 样品准备..................................................................... 21 Appendix I Attachment 附件I..........................................................................................................