Void Reduction in Bottom Terminated Components Using Vacuum Assisted Reflow - 第30页

Mitch Holtzer Alpha Assembly Solution s Mitch.Holtzer@ alphaassembly .co m

Conclusions

• Surface finish had no measurable effect

• Vacuum pressure had no measurable effect

• Vacuum dwell time had no measureable effect

• Vacuum had no effect on BGA (no vacuum showed

almost no voiding)

• Vacuum vs. no vacuum had a significant effect on BTCs

Mitch Holtzer

Alpha Assembly Solutions

Mitch.Holtzer@alphaassembly.com