Electronics Forum: bga and conformal and coating (Page 5 of 6)

Tin Lead Electrodeposited Plating and Conformal Coat

Electronics Forum | Wed Nov 20 16:47:10 EST 2013 | aaronpavone

I have a right angle male shrouded connector and the whole set of termination leads is tin lead plated, at least 100 microinches thick. Should the entirety of the lead be conformal coated? Or can we have just the joint coated? I know I have coated le

Dry and Clean Room in Tropical Climate

Electronics Forum | Sun Sep 04 01:59:41 EDT 2005 | smartasp

We need to dry and clean the air in our dedicated poting and conformal coating room. Can anybody help on how to go about it. The airconditions only recycle and dry until room temperature is reached and therefore have great fluctuations and unstable p

H1N1 Hand Sanitizers and PCB contamination

Electronics Forum | Fri Nov 06 11:39:17 EST 2009 | 14367

As you know, the H1N1 virus is on the move, and we are trying to take precautions. We wish to use a 60% alcohol based lotion for disinfecting our hands. It has been questioned if the added substances could be detrimental to electronic assembly board

Electronic Assembly - PCB cleansing and COVID-19

Electronics Forum | Fri Apr 03 08:34:54 EDT 2020 | SMTA-Gregory

We need to be careful with product to avoid introducing a new failure mode, namely corrosion and dendrite growth, especially those running no clean processes! In addition to heat (reflow, wave and some selective soldering processes) killing the vi

Re: Solder mask materials and equitements wanted

Electronics Forum | Sat Aug 29 08:43:35 EDT 1998 | Dave F

| Hi, Friends, | Could you please recommend me some solder mask materials and equitements for high quality solder mask? Details such as company name, phone numer et al are welcomed. Thanks! | Have a good day | Xingsheng Xingsheng: Consider the follo

What is the preffered spacing between PTH and SMT pads

Electronics Forum | Wed Apr 29 04:57:08 EDT 2009 | davepick

It depends on the application what will be considered the biggest issue to avoid (production or longterm reliability). Tin Whiskers are bit of an unknown quantity - but a more realistic problem could be dendritic growth / electromigration forming sho

Programming for Pick & Place and AOI machines

Electronics Forum | Mon Jul 31 14:28:58 EDT 2017 | ks0707

Hi Evtimov and Phil, May I ask you how programming is accomplished at your side ? Do you have specific programmers dedicated to each P&P, AOI, Flying Probe, and Conformal coating machines ? Or one programmer handles programming for all machines per

environment Operational deg-C and RH% for Paste Printer

Electronics Forum | Thu Jun 06 09:45:14 EDT 2002 | Hussman69

We based ours on the type of paste we use (stencil life) and not so much the machine. Then we coupled that to what 'true' conditions we normally see in our plant, and determined that under these conditions Max & min) our printing process should be g

Re: SMT training classes and start up equipment

Electronics Forum | Wed May 06 10:20:21 EDT 1998 | SMT-ASSY

Good morning, We would like to offer our services. SMT-ASSY is a training facility (Located in Dorval, Montreal area) which can introduce your workforce to SMT and the workmanship required to obtain quality products. We have attached our brochure in

Stencil Design for BGA with 0.2 mm Diameter Pad and 0.4 mm pitch

Electronics Forum | Thu Nov 14 21:47:41 EST 2019 | sssamw

Yes, 0.25x0.25 square could work @0.1 thickness, use nano-coating or electroform stencil for better solder paste release.


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