There are could zillions of them and the only way to figure out the root cause is to analyze it. We can do it. Regards, Vladimir SENTEC Testing Laboratory Inc. 11 Canadian Road, Unit 7. Scarborough, ON M1R 5G1 Tel: (647) 495-8727 Cell: (416) 899-1882 www.sentec.ca -----Original Message----- From: Lyon Yuan <[log in to unmask]> Sender: TechNet <[log in to unmask]> Date: Mon, 15 Jul 2013 19:19:43 To: <[log in to unmask]> Reply-To: TechNet E-Mail Forum <[log in to unmask]>, Lyon Yuan <[log in to unmask]> Subject: [TN] What are all the probable causes of non-wetting for OSP board test pads when the circuit boards are run through our reflow Hi All, What are all the probable causes of non-wetting for OSP board test pads when the circuit boards are run through reflow? 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] ______________________________________________________________________