Electronics Forum: mask and peeling and failure and in and wave and solder (Page 1 of 1)

kapton dots and liquid solder mask

Electronics Forum | Thu Aug 18 13:11:39 EDT 2005 | jsloot

We have our board house apply a peel coat mask that can be brushed off after wave or reflow. You need to brush off while it's still warm.

High Relative Humidity and Blistering Issues in Assembly

Electronics Forum | Sun Sep 07 20:51:52 EDT 2014 | natashakt

1. Is the high RH environment consistently at 72% RH and 21.4 degrees Celsius? No, over the past 2 weeks I have recorded the highest at the moment: 67% RH at 22.6 degrees C and lowest (it is Spring not summer yet): 31.9% RH at 19.0 degrees C. Or d

Wave Solder Balls, VOC-Free Flux, and Glossy Mask

Electronics Forum | Tue Oct 03 18:41:16 EDT 2006 | C.K. Flip

With recent implementation of VOC-Free flux in our shop, we've experienced little solder fines/balls on the above combo of VOC-Free, Water Based, and glossy to semi-glossy mask finish on PCB's. The solder balls show up on close conductor spacings, ~


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