Electronics Forum | Fri Oct 01 09:47:36 EDT 2010 | noid
Yes, they should be baked prior. We pre-bake all polyimide fabs, flex or not. They are prone to delam.
Electronics Forum | Fri Oct 01 10:07:14 EDT 2010 | mazjal7
Thank you Noid, Is the baking process product specific are they any guidelines/standard procedures? Any recommendations are appreciated. Thanks, David
Electronics Forum | Fri Oct 01 13:09:18 EDT 2010 | clampron
Good Afternoon, How is the stiffener adheared? If it is laminated to the flex, it may help you with the surface planarity through reflow. If it put on with PSA, it may cause more problems then it would solve. PSA gets soft through the reflow. It may
Electronics Forum | Thu Sep 30 16:16:14 EDT 2010 | vetteboy86
Were doing double sided, and I'm told our PCB finish is tin silver. From a quick search I'm finding that for double sided assemblies we would be better off using ENIG.
Electronics Forum | Wed Oct 06 15:11:11 EDT 2010 | davef
We aren't able to quote you chapter and verse, but J-001 says that you have to verify the solderability of parts prior to assembly.
Electronics Forum | Tue Nov 02 03:24:33 EDT 2010 | Jacki
Yes, we use solder paste,solder bar and solder wire from different manufactureres for 1PCB assembly. And, what JAX said, we never mixed solder paste from different manufactures and used.
Electronics Forum | Fri Jan 07 10:35:36 EST 2011 | davef
Tell your customer that you need five extra assemblies so that you can do a good job of designing process to ensure that they don't receive poo boards.
Electronics Forum | Mon Jan 17 08:46:27 EST 2011 | gantry
for a free resource/starting point try. http://www.pickandplace.com
Electronics Forum | Sat Jan 22 00:57:13 EST 2011 | leo83
Thanks Gantry, will kickstart the reading tonight :-)i am sure, it would prove helpful. cheers, leo
Electronics Forum | Sat Jan 22 01:08:38 EST 2011 | leo83
Sir, it is pleasure to be a part of this group ! I couldnt view the table of contents on elchempub., could you please update. Rgrds, Leo
