Electronics Forum | Fri Jun 10 13:54:01 EDT 2022 | davef
Solder connections to the castellated and other components need improvement. Are you profiling on the problem leads? Microchip Technology Inc. RN4678 Bluetooth module reflow recommendations - http://ww1.microchip.com/downloads/en/DeviceDoc/RN4678-Bl
Electronics Forum | Tue Jan 12 17:10:09 EST 1999 | C.K.
Hi Folks. Has any Process Engineer here done a complete evaluation or controlled experiment for VOC-FREE Flux? Our goal here at CEBUKid, Inc. is to implement a VOC-FREE process. We have all the necessary (OPTIFLUX) spray equipment, and we're curre
Electronics Forum | Sun Jun 10 12:47:36 EDT 2001 | procon
Hi Jacob, NC vs WS, what a story! No-clean paste means no-clean for your products but what a mess it makes in your reflow systems. If you are a contract maunufacturer of high volume production, then No-Clean is they way to go. This helps keep your co
Electronics Forum | Tue Apr 05 09:27:49 EDT 2005 | russ
These sound like european machines, From what I can tell so far Lead Free capable ovens just mean that they have hotter heating elements, and blower fans that can take the additional heat supposedly. It does not appear to have anything to do with t
Electronics Forum | Mon Aug 22 10:01:17 EDT 2005 | rlackey
The list is not yet completed but I picked few > different component that our supplier are not > able to get in Lead-Free or problem to get > leadtime: Mfg Part : Zener Diodes BZG03 - MFG : > Phillips Mfg Part : PME271Y447M - MFG: > Evox-Rifa Mf
Electronics Forum | Tue Aug 23 16:57:29 EDT 2005 | HOSS
50% of seeing it in a single pass. The only time we do this is if we have a board off the line that has delaminated. We'll run a sample of boards through bare to confirm that we have a bad batch. Even if we see no failures on the bare boards, we'l
Electronics Forum | Sat Dec 10 17:50:10 EST 2005 | Sergei
This is absolutely true. We have spent more than 10.000 man hrs on this, investigating of a fail safe interconnection that need to last more than 50 years in extremely harsh conditions. Tin Whiskers was at our "ten most wanted" list to be solved. Ba
Electronics Forum | Wed Dec 21 21:24:59 EST 2005 | davef
Primary differences between Matte Tin plating and Bright Tin plating are: * Temperature compatibility ** Matte Tin is compatible with the elevated temperatures of lead-free, reflow processing (250-260C). ** Bright Tin has a tendency to discolor (turn
Electronics Forum | Wed Dec 21 12:12:44 EST 2005 | mmjm_1099
Hello all, I am a contract manufacturer and I got handed the project of looking up our parts and seeing what's lead-free and what's not. Well my question would be how is your purchasing dept handling this. I would like some input on this from alot of
Electronics Forum | Thu Mar 23 07:36:42 EST 2006 | Chunks
According to the original article, no. It is formed by the FR4 expanding and then contracting. So cooling it down faster would not help - in theory. We have not gone lead free yet, so take the above with a grain of WML. My question to those that
