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Industry News | 2018-10-18 09:37:27.0
How To Set Profile In SMT Reflow Oven
Electronics Forum | Mon Apr 14 14:11:30 EDT 2008 | cyber_wolf
I dont know if this is related, but there appears to be a blister/measle in the upper right corner of the Q19 large pad. (upper right of Q19 as you are facing the photo) If your profile and paste is good, my bet would be that there is something wron
Electronics Forum | Thu Apr 17 10:44:24 EDT 2008 | rculpepp
I'd suspect contamination also, possibly from the board supplier. Sr. Tech's post mentioned what looks like a blister on the board, in the upper right of the Q19 photo. This could very well be a contaminate from the PWB fab shop. I've seen similar pr
Electronics Forum | Fri Jan 20 13:25:07 EST 2006 | Gary Kemp
The mask/copper layer is exhibiting popcorn blistering following reflow. With profiling we know that the assembly does not see anything close to 250 C, rather around 238 C.
Electronics Forum | Sun Sep 13 19:56:21 EDT 2009 | 89jeong
Hi All I have a pig problem after reflow. It is a blister in hole.It happend after reflow(Lead free solder) I touched the blister with tweezer. The plating was lifted off easily How do i do? What is a root casue? Drilling or plating? Is it possible
