Electronics Forum: non and wettign (Page 8 of 10)

Foam fluxer maintenance, storage and cleaning

Electronics Forum | Sun Nov 08 15:27:25 EST 2015 | davef

Thinner: Flux thinner, NOT paint thinner We kept a spare stone in thinner in inventory. We cut PVC pipe to size, cap in one end, screw thread on the other, stone inside, filled with flux thinner and covered with a screw cap. I don't remember who we

RoHS and Non-RoHS products in same ICT Fixture

Electronics Forum | Mon Apr 03 02:09:58 EDT 2017 | soldertraining

Restriction of Hazardous Substances (RoHS) bans products that contain a high level of hazardous materials from entering the market like the EU market. If we talk about PCB products - The printed circuit board services – including both conventional an

Re: Information on 2D and 3D automated optical inspection systems

Electronics Forum | Wed Jun 21 14:33:01 EDT 2000 | debandrick

we have an mvt gs-1. its horrible. gui terrible. programming is brutaly time consuming and difficult. customer service is non-existent. we'll trade it in for a near sighted monkey.

RoHS and Non-RoHS products in same ICT Fixture

Electronics Forum | Mon Mar 27 15:56:12 EDT 2017 | padawanlinuxero

Just 2 cents, lead free flux residue is no clean?, how about leaded flux? how much flux residue it leaves on both types? is there a clean up procedure after wave solder? or is there a wave solder process?

RoHS and Non-RoHS products in same ICT Fixture

Electronics Forum | Fri Apr 07 01:43:13 EDT 2017 | tsvetan

yeah, I wonder what will be the next? "Do not touch with same fingers PCBs with SnPb and Lead free PCBs as some molecules of lead may stick to your fingers" :D

Need help on PCBA Cleanliness Standards and Specs

Electronics Forum | Fri Nov 28 04:46:45 EST 2003 | gregoryyork

Best to establish what type of residue is causing this problem and then stamp it out.Speak with SCOPE Labs who offer PCB extraction followed by IR and IC work. So many problems with porous resist at present and NON ionic materials that you really nee

Re: Help on Qualification of Printer and Pick Place

Electronics Forum | Mon Oct 26 20:09:19 EST 1998 | Dave F

I'm very new to the SMT process but I'm tasked to qualify a MPM Printer and a Panasert PnP m/c. The product consists of 6-10 different parts of a total of around 70. Please advice on the parameters for each m/c which I should focus on for optmizati

RoHS and Non-RoHS products in same ICT Fixture

Electronics Forum | Fri Mar 24 15:31:08 EDT 2017 | elrohir

I have a supplier that want to upgrade all nails on a huge amount of ICT fixture due to test RoHS compliant PCBAs. My thought is that even if there are a very small fraction of residues left on the pins it will never go over the 1000PPM level. In fu

RoHS and Non-RoHS products in same ICT Fixture

Electronics Forum | Tue Mar 28 14:35:04 EDT 2017 | emeto

I can't believe there is a topic for discussion. Find a way and measure lead contamination(if any)and prove them wrong. This is getting out of control. Having all the billions of gasoline and diesel engines pumping dirt in the air, together with the

Contamination/process issues of SMT and wave soldered pcb's

Electronics Forum | Thu Jul 03 03:23:04 EDT 2003 | loz

I have been advised recently about pcb manufacturers, that somehow or other supply pcb's with contamination. Visually they are fine, but problems arise during SMT manufacture, ie solder balling, non-wetting on pads, and also during wave solder proces


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