回流曲線Profile課程講義

1、sept/20/20031 up the testing profile skill islandtek international ltd. up the testing profile skill prepare and present by danny.lu sept/20/20032 up the testing profile skill islandtek international ltd. 測量profile的用意為何? 如何進行profile量測? 怎樣才算是符合製程需要的profile曲線? 如何快速尋求符合需要的profile曲線? 如何利用reflow改善製程的品質(zhì)良率

2、? sept/20/20033 up the testing profile skill islandtek international ltd. 測量profile的用意 各種不同製程profile的介紹 量測profile的時機 sept/20/20034 up the testing profile skill islandtek international ltd. from ipc sept/20/20035 up the testing profile skill islandtek international ltd. from ipc sept/20/20036 up the

3、testing profile skill islandtek international ltd. from ipc sept/20/20037 up the testing profile skill islandtek international ltd. 1.slump 2.均溫性 3.生產(chǎn)效能 4.板子大小 sept/20/20038 up the testing profile skill islandtek international ltd. sept/20/20039 up the testing profile skill islandtek international l

4、td. 如何進行profile量測 測量profile的種類 紅外線,便當盒,釣魚線,溫度模擬 測溫線的種類 測溫線的測溫原理 測溫板的製作: pcba公板選擇 測溫點的選擇 測溫線及埋點的製作 sept/20/200310 up the testing profile skill islandtek international ltd. 測溫線種類 type k ni-cr合金 vs. ni-al合金 -200 1250 1.5 type t cu vs. cu-ni合金 -200 400 0.5 type j fe vs. cu-ni合金 -210 800 1.5 type n ni-14

5、.2%cr-1.4%si vs. ni-14.4%si-0.1%mg -200 1280 1.5 sept/20/200311 up the testing profile skill islandtek international ltd. find chip components (0603 preferred) in the corner of boards for board/passive temperature data passive component bga ( 27mm) corner center center corner an30 a16 o8 socket from

6、 intel sept/20/200313 up the testing profile skill islandtek international ltd. 1-c1b1(0603) 2-skt corner 3-skt inner 4-skt lever 6-mch in 7-u4a1 8-u5g1 5-mch out 9-u1f2 (ssop24) 佈點範例 from intel sept/20/200314 up the testing profile skill islandtek international ltd. from ipc sept/20/200315 up the t

7、esting profile skill islandtek international ltd. sept/20/200316 up the testing profile skill islandtek international ltd. from intel sept/20/200317 up the testing profile skill islandtek international ltd. 怎樣才算是符合製程需要的profile曲線? 依照產(chǎn)品別,錫膏的不同,pcb的種類不同,及零件不同 等因素進行 sept/20/200318 up the testing profile

8、 skill islandtek international ltd. kester alpha indium sept/20/200319 up the testing profile skill islandtek international ltd. smic koki theresa sept/20/200320 up the testing profile skill islandtek international ltd. 如何快速尋求符合需要的profile曲線? profile調(diào)整小技巧分享 1.溫度區(qū)間間隔法 2.投影片比對法 sept/20/200321 up the te

9、sting profile skill islandtek international ltd. 123456789 溫度變化轉(zhuǎn)折點 sept/20/200322 up the testing profile skill islandtek international ltd. a: ramp up rate during preheat: 1.53.0 oc/sec b c : soaking temperature: 145175 oc d: ramp up rate during reflow: 1.22.3 oc/sec e: ramp down rate during cooling

10、: 1.72.2 oc/sec fg : peak temperature: 230250 oc t1: preheat time: 5080 sec t2 : dwell time during soaking: 6090 sec t3 : time above 220 oc : 2040 sec 50 100 10015020025050sec. d oc/sec 150 200 pre-heatsoakingcoolingreflow a oc/sec b oc fg oc t2t3 e oc/sec t1 c oc 220 250 sept/20/200323 up the testi

11、ng profile skill islandtek international ltd. 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/20/200324 up the testing profile skill islandtek international ltd. sept/20/200325 up the testing profile skill islandtek international ltd. 、 sept/20/200326 up the testing profi

12、le skill islandtek international ltd. sept/20/200327 up the testing profile skill islandtek international ltd. sept/20/200328 up the testing profile skill islandtek international ltd. sept/20/200329 up the testing profile skill islandtek international ltd. sept/20/200330 up the testing profile skill islandtek international ltd. 190 200 210 220 230 240 250 260 bga(210230) sop(210240) qfp(200240) chip(205245) led(190225) safe peak temp,range setting by m.e.s 190 200 210 220 230 240 250 260 sept/20/200331 up the testing profile s