Void Reduction in Bottom Terminated Components Using Vacuum Assisted Reflow.pdf - 第24页

R esults TO - 2 52 Package with no vacuum (lef t) and 5 t orr f or 60 seconds vacuum (right)

100%1 / 30
Reflow Profile 2
60 Second Dwell Under Vacuum
Results
TO-252 Package with no vacuum (left) and 5 torr for
60 seconds vacuum (right)
Results
MLF 100 Package with no vacuum (center) and 5 torr for 60
seconds vacuum (right). Note channel pattern used (left).