引线键合焊点检测原理
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Detection data before Z contact ②－① ＞ 200 mv → Detection active ②－① ＜ 200 mv → Detection ineffective 3pF : ②－① ＞ 150 mv → Detection active Bonding : ③≒② NSOP : ③≒① Detection data at Lead Bonding : ⑤≒④ No Tail : ⑤≒① Bonding : ⑥≒① NSOL : ⑥≒④
5
SEARCH LEVEL
PAD
LOOP
SEARCH LEVEL 2
LEAD
TAIL CUT
TA源自文库L CUT SPEED
■ UTC-2000 Super AC Detection Timing Data
Detection Item Explain
①
② ③ ④ ⑤ ⑥
Machine Offset Data
If ⑥＝④
④:Lead Base Data
NG
7
Thank You
②:Pad Base Data If ②＝③ ③:NSOP Detection
OK
③:NSOP Detection
If ③＝①
①:Machine Offset Data
NG
5
■ UTC-2000 Super AC Detection: No Tail
④:Lead Base Data If ④＝⑤ ⑤:No Tail Detection
OK
⑤:No Tail Detection
If ⑤＝①
①:Machine Offset Data
NG
6
■ UTC-2000 Super AC Detection: NSOL
①:Machine Offset Data If ① ＝ ⑥ ⑥:NSOL Detection
OK
⑥:NSOL Detection
UTC-2000 Super AC Detection
■ UTC-2000 Super AC Detection Timing Chart
Z POSITION LOOP MODE STDa LOOP SPARK
Detection Data Vp-p [mv] NSOP 4 2 1 3 6 Time [ms] No Tail NSOL
PAD Base Data
NSOP Detection
Lead Base Data
No Tail Detection
NSOL Detection
3
■ UTC-2000 Super AC Detection: Machine Offset Data
①:Machine Offset Data
4
■ UTC-2000 Super AC Detection: NSOP