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【能力素質(zhì)】profile課程講義-文庫吧資料

2024-12-14 06:48本頁面
  

【正文】 Indium Sept/20/2022 19 UP the Testing Profile Skill Islandtek International Ltd. Skill SMIC KOKI THERESA Sept/20/2022 20 UP the Testing Profile Skill Islandtek International Ltd. Skill 如何快速尋求符合需要的 Profile曲線 ? Profile調(diào)整小技巧分享 Sept/20/2022 21 UP the Testing Profile Skill Islandtek International Ltd. Skill 1 2 3 4 5 6 7 8 9 溫度變化轉(zhuǎn)折點(diǎn) Sept/20/2022 22 UP the Testing Profile Skill Islandtek International Ltd. Skill A: ramp up rate during preheat: ~ oC/sec B~ C : soaking temperature: 145~175 oC D: ramp up rate during reflow: ~ oC/sec E: ramp down rate during cooling: ~ oC/sec F~G : peak temperature: 230~250 oC T1: preheat time: 50~80 sec T2 : dwell time during soaking: 60~90 sec T3 : time above 220 oC : 20~40 sec 50 100 100 150 200 250 50 Sec. 150 200 preheat soaking cooling reflow B oC F~G oC T2 T3 T1 C oC 220 250 Sept/20/2022 23 UP the Testing Profile Skill Islandtek International Ltd. Skill Reflow溫度與製程間相互關(guān)係 各區(qū)段代表意義 SMT不良情形與 Profile之相互關(guān)係 如何藉由調(diào)整 Profile改善製程良率 問題討論 Sept/2
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