Electronics Forum: cleaning pcb melting (Page 1 of 126)

ALIVH pcb

Electronics Forum | Tue Apr 09 16:19:37 EDT 2002 | Peter L.

Has anyone built using the ALIVH PCB (0402, 0.8mm pitch uBGA) on the SMT line? I would like to know any process issues (paste printing, p&p, reflow) related to processing this pcb. Specifically, what type of solder paste was used (no clean) and wha

cleaning PCB's

Electronics Forum | Tue Jan 10 10:26:11 EST 2006 | mikeattekfab

I am considering using a vapor degreaser to clean PCB's after they emerge from our wave. Does anyone have experince with this process that they would be willing to share?

PCB cleaning

Electronics Forum | Sat Jun 12 17:01:44 EDT 1999 | Murray Pulman

We are using so called no-clean fluxws for our small batch production, however the results are not always very visualy pleasing with white powdery deposits being the norm. I would like advise on the best avenue to explore for a small batch cleaning s

cleaning PCB's

Electronics Forum | Tue Jan 10 14:34:40 EST 2006 | Amol Kane

arent there environmentally friendly solvents (i have seen some from 3M) that can be used in a vapor degreaser. i was also planning to use the vapor degreaser to clean boards prior to conformal coating

stencil cleaning

Electronics Forum | Tue Oct 11 10:49:14 EDT 2005 | jhagve

HI We start to make a product which have a 0.4 mm pitch IC and start having problems with not enough solder printed, to solve this problem we had to increase the manual cleaning, now we are cleaning the stencil every 8 printings, before we was runnin

Stencil cleaning

Electronics Forum | Tue May 30 10:55:57 EDT 2006 | bryanhewson

I am a lay person researching the application of non-woven material in stencil rolls either using branded material or non-branded alternatives for DEK, MPM Panasonic machines in SMT environments. I have read a number of articles referring to aqueous

cleaning PCB's

Electronics Forum | Tue Jan 10 14:04:38 EST 2006 | Mike Konrad

Flashback time� Vapor degreasers, although still used in limited applications, no longer represent the conventional wisdom (due to multiple environmental issues). Aqueous-based technologies are the most common method of defluxing. Unlike most va

cleaning PCB's

Electronics Forum | Tue Jan 10 20:39:06 EST 2006 | aqueous

Of course there are solvents which are less harmful to the environment than others. The operative phrase is �less harmful�. As a rule, water-based chemistries are �greener� than solvents. There are some solvent blends designed for aqueous-based eq

stencil cleaning

Electronics Forum | Thu Apr 11 19:12:11 EDT 2002 | djarvis

Sorry fellas -disagree. We only clean our stencils in the ultrasonic machine at the end of the run. If the same pcb is up the next day we clean them by hand. We use Electrolube SSS and the used rolls from the in line under stencil cleaner. Wipe the

defects in pcb manufacturing

Electronics Forum | Mon Nov 02 22:02:01 EST 2009 | boardhouse

Umar - the boards are not assembled - so Solder splash is not applicable. Solder resist does not Melt it cures. As a board supplier I would not want my clients to adapt if they are receiving crap product, I would expect them to leave.

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