Electronics Forum | Mon Oct 16 20:53:42 EDT 2006 | davef
Here's the paper that Rob referenced above: http://quanterion.com/RIAC/Library/Library.asp?ArgVal=45118-030 It could be that International Society for Hybrid Microelectronics [ISHM] is now International Microelectronics And Packaging Society [IMAPS
Electronics Forum | Wed Feb 21 15:27:41 EST 2007 | wavemasterlarry
we switched to a lead free peel mask and have no pronlems. Maybe you using a leaded version of mask?
Electronics Forum | Thu Feb 22 05:30:06 EST 2007 | lococost
nothing but... We've had peel-off melting after reflow, burn up and turn hard and brown, melt in the holes and then turn hard... All very hard to remove afterwards. We have yet to find a proper solution.
Electronics Forum | Fri Nov 09 08:18:25 EST 2007 | mulder0990
In regards to the Torque tester from Fuji that tests the peel back force, you can buy that directly from Fuji for $250.
Electronics Forum | Mon Dec 03 02:23:12 EST 2007 | lococost
yigh, loose the glue, put paste on ALL bottom SMD components and cover ALL SMD components with peel off before wave.
Electronics Forum | Mon Dec 03 02:44:27 EST 2007 | shy
Hi Loco, If i cover all the SMT component with peel off before reflow, it'll increasing downtime at my production site. To reduce the downtime, we had idea to add in the glue for component package 0805 and bigger.
Electronics Forum | Tue Apr 01 19:23:12 EDT 2008 | guhansub1
Just curious...What is the gap between the pads? If it's less than 3 mm, it's recommended to do gang relief. Otherwise the soldermask will peel off during rework.
Electronics Forum | Thu Jul 03 15:44:10 EDT 2008 | jwasyliw
Looking at the different Selective solder machines. Are there any process considerations with a moving pot versus a fixed pot. What about the angle and peel off on the moving pot?
Electronics Forum | Wed Oct 01 10:30:33 EDT 2008 | stepheniii
Be sure to peel the potatoes. I saw a guy use a potato to purify gold on the TV show Rough Science. Seriously though I would think SAC305 to SN100C wouldn't be as bad as eutectic to leadfree.
Electronics Forum | Thu Apr 09 06:28:11 EDT 2009 | qualityguy
We have different Solder mask 'gloss' and 'satin' the gloss has a surface energy =40 dynes. The test evidence to date is strong correlation between surface energy, mask type, HASS failure