Both. The material at current state is not suitable for your process.

"All professional skills are mastered by critiqued practice" - by Schon.
  Original Message
From: lyonyuan
Sent: Tuesday, April 8, 2014 7:43 AM
To: [log in to unmask]
Reply To: TechNet E-Mail Forum
Subject: [TN] solder mask peel off after Top sider reflow


Hi Team,



We found some PCBA boards(the same date code) with solder mask peel off
after Top side reflow. Material issue or process issue?



Lyon yuan





______________________________________________________________________
This email has been scanned by the Symantec Email Security.cloud service.
For more information please contact helpdesk at x2960 or [log in to unmask]
______________________________________________________________________

______________________________________________________________________
This email has been scanned by the Symantec Email Security.cloud service.
For more information please contact helpdesk at x2960 or [log in to unmask] 
______________________________________________________________________