Electronics Forum | Wed Sep 04 23:55:10 EDT 2002 | jersbo
aight... Ive read the SMT archives... Ive got issues,,, 25 boards WS boards with NC on them HOw do I clean them? Used Everkleen in Prewash and wash in a dishwasher , cleaned most of the NC flux off but I have residuals. especially on the fine pitch
Electronics Forum | Tue May 20 13:59:14 EDT 2003 | Mike Konrad
Hi Mike, Here are a couple more good choices: Aqueous Technologies� StencilWash PLUS (unlike �BS�, I will not tout its attributes online and turn this forum into a �BILL�BOARD) Petroferm�s Hydrex WS Contact me offline for specific pro�s and con�s
Electronics Forum | Fri Jan 18 18:19:38 EST 2008 | arun2382
Is normal DI rinse cycle enough to wash away all residue after SMT assembly of high density substrate? This substrate would later be over molded to form MCM module package and I am seeing delamination in high density areas of the substrate at MSL3
Electronics Forum | Wed Dec 19 01:17:13 EST 2001 | ianchan
Hi Experts, I need help here, advice appreciated from all... Production is running a Lot of flex-circuit PCB, through the SMT line, with 0402 components. The flex-PCB is taped to FR4 support "pallets" when processing thru' the SMT P&P m/c. We use
Electronics Forum | Wed Jul 24 01:53:58 EDT 2002 | Mike Konrad
Using ultrasonic technology to remove adhesive is normally not that difficult. I do not know who�s machine you are using (perhaps its ours). In any case, here are some tips for removing adhesives. 1. Heated wash chemistry works better than ambien
Electronics Forum | Tue Apr 13 17:48:54 EDT 2004 | davef
Q1: Can anyone explain to me about the effect of their mixture. A1: What is their �mixture�? Q2: What enhancement does my BGA will have when using a WS paste flux with regards to corrosion, 25 years life cycle of the solder joint. A2: Tough to say
Electronics Forum | Tue Apr 14 15:42:45 EDT 1998 | Scott Cook
| Scott, | I am not really in a position to answer this as fully as I would like because most military work with which I am familiar is subject to some degree of secrecy most especially on the internet. At least we have signed up to such restrictions
Electronics Forum | Fri Feb 11 05:32:31 EST 2000 | Dean
Your customers design and your process capability would determin this (W/S vs. noclean). EX. Can you clean adequately for low stand off components? I have some BGA products which operate at 20GHz (atenuation and cross-talk is off the charts. )No wa
Electronics Forum | Fri Feb 01 03:03:08 EST 2002 | madreindeer
Hi, That is very common in WS pastes.It is white residue (Salt) Usually it�s not dangerous it only looking bad. I think best way would be contact your paste supplier and they should know what would take a stain off if not, change supplier. There i
Electronics Forum | Mon Apr 29 04:57:28 EDT 2002 | madreindeer
Hi, That is very common in WS pastes.It is white residue (Salt) Usually it�s not dangerous it only looking bad. I think best way would be contact your paste supplier and they should know what would take a stain off if not, change supplier. There i
