Electronics Forum | Wed Feb 11 17:04:47 EST 2015 | davef
A-610E, 10.7.4 covers solder mask discoloration. Use that for your disposition In a previous thread, Boardhouse told us "Here are a couple of things that can affect color. * Material color is the major, * Matte green from Enthone would be different
Electronics Forum | Thu Feb 12 12:30:16 EST 2015 | stevezeva
I remembered something from the TechNet a long time ago about heating the board with a heat gun to see if the white spots disappear. I searched the archives and found this from Bill Kenyon: Quick identification of solder mask white spots- if it is t
Electronics Forum | Wed Aug 16 12:07:55 EDT 2017 | ks0707
Reflow -> Wash ? And is there any difference among Leaded / Lead-Free, Water-soluble / No-clean and One-side / Top&Bottom ? If there are any correlations with Wash-process, please send me those information too. Also, if I can get same information f
Electronics Forum | Thu Jun 24 21:37:13 EDT 2004 | davef
IPC / EIA J-STD-001-C, Appendix B
Electronics Forum | Tue Jun 29 06:43:05 EDT 2004 | davef
Look at: TP-1115 - Selection And Implemetation Strategy For A Low-Residue, No-Clean Process
Electronics Forum | Thu Jun 24 20:28:58 EDT 2004 | needhelp
We design PCBAs. Our CM assembles the boards for us. So far we have used waterwash SMT process to build the boards. Accidentally, due to documentation errors, we suddenly have a huge batch of boards built with No-Clean process. Although the boards pa
Electronics Forum | Wed Feb 14 16:58:12 EST 2018 | cbart
you would be best to get this from your paste/solder manufacture. but here are some rules of thumb: -Solder paste out of fridge before use - get out the night before needed.. don't let your op's warm on the oven!! you will regret that! if not over ni
Electronics Forum | Wed Sep 22 17:14:49 EDT 2021 | swilson
Hello while washing SMT boards can unsealed switches and transformers be washed and/or will the wash solution damage the component down the road? Normally I leave them off and add them after wash just want to know if there is anyway possible to get t
Electronics Forum | Tue Feb 28 08:59:54 EST 2006 | davef
Amol Kane You say, "Also, we pass the LF baords thru the same inline wash as you dont wash away the solder (you wash away the flux)." How did you sort through the concern that leaded solder balls [running around in the wash tank from a previous was
Electronics Forum | Thu Jun 04 14:30:13 EDT 1998 | Igmar
I would appreciate any information concerning the wash and bake of blank Printed Circuit Boards before assembly. + Is it necessary to wash and bake PCB�s before assembly? + If any, what is the reason for wash and bake of PCB�s? + If any, what type of
