sm属性自评报告.doc

PAGE  PAGE 21 sm属性自评报告 篇一：SM报告 S∕M制程实习报告 一．了解抗焊的基本流程 ······························································ 2 1.什么是抗焊········································································································· 2 1.1抗焊的目的 ································································································ 2 1.2抗焊的優點 ································································································ 2 2.抗漢的流程········································································································· 2 2.1抗焊前段··································································································· 3 2.1.1 CZ前處理······················································································ 3 2.1.2印刷································································································ 4 2.2抗焊後段··································································································· 6 2.2.1曝光································································································ 6 2.2.2顯影································································································ 7 2.2.3烘烤································································································ 8 2.2.4高溫UV··························································································· 8 二．熟悉UEM破洞镀金产生原因与现场改善AR ·····································9 1.UEM的定義和症狀······························································································ 9 1.1 UEM的定義······························································································· 9 1.2.UEM的現象······························································································· 9 2.熟悉UEM產生的原因························································································· 9 3.UEM的執行改善措施··········································································