Hi Charles,

If you can not prevent the solder ball appear in you process well, you can clear out the solder ball with ESD brush in you touch up station after wave solder process to meet IPC standard.

Maker.

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From: TGAsia [mailto:[log in to unmask]] On Behalf Of Charles Lee(SVA)
Sent: Wednesday, August 19, 2009 11:03 AM
To: [log in to unmask]
Subject: [TGAsia] Solder Balls

Dear All,

There are a great deal of tiny solder balls appeared in around PTH connector pins after wave soldering (PB Process) , please see the attached pictures.

Here we would like to seek your helps and suggestions on how to solve the solder ball issues, thanks!

Best regards

Charles Lee