Thank you very much for your valuable suggestion! We will solve it as soon as possible!

PCB Manufacturing

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PCB manufacturing consists of many steps, such as PCB CAM, Panelization, Copper patterning, etc. This group is mainly talked about the problems during PCB manufacturing!

Community > Groups > PCB Manufacturing > De-wetting on Immersion Silver finish board
De-wetting on Immersion Silver finish board
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filippo.lalli

One of our divisions is having this problem:
- De-wetting on the smt pads and componenent termination on the bottom side after top side procssed through reflow. Board finish is immersion silver.
? Any recommendation on what we should check & verify * Problem is random in nature. Not component related * De-wetting only on the bottom side after top side reflow * De-wetting only on chip components/pads * There are vias on pads but the problem is not correlated with these pads * No apparent contamination on the pads * Have not verified the immersion silver thickness
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Statement: This post is only the personal view of the author and does not represent the opinions of ALLPCB.com.

izzetulus

very useful informations.

dmtan90

Appreciate your sharing.Please keep up your updates.

Alessio Gandini

Pretty good and useful info to my job. Keep on checking your post.

Burnell

I am a new beginner and looking for good info for study. The posted info is pretty good. I will share it with my friends.

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