Electronics Forum: 12-13 (Page 21 of 55)

PCBA storing requirement

Electronics Forum | Fri Dec 13 11:00:33 EST 2013 | davef

I'm not aware of a standard for the storage conditions of assemble circuit boards. Here's what I'd do: * Protect them from damage * Store them vertically * Constant Temperature 22°C +/- 3°C * Humidity Control 45% To 65% R.H.

PCBA storing requirement

Electronics Forum | Fri Dec 13 13:46:23 EST 2013 | markhoch

I agree with Dave. Much better to store as he suggested then to store them in piles on the floor. Ha! Piles of boards... never ceases to be funny.... :-p Funny though...my customers don't seem to find it as funny as I do. I wonder why....

Mechanical Delamination at de-panel

Electronics Forum | Thu Jun 12 13:36:32 EDT 2014 | clydestrum

Deepening the V-scores was in vain. No change. This board is on Rev R now, with no changes to material/array/v-score spec, and this is the first we've seen this problem. I just don't get it.

ODU Control Box Process

Electronics Forum | Sat Dec 13 02:05:23 EST 2014 | pratkul

I want know What is the process of the ODU Control Box Assembly. specially after wave soldering process i need.any one can help.

Japan Unix Destop Soldering Robot

Electronics Forum | Mon Mar 30 12:13:53 EDT 2015 | allwave

Gary, You brought up a very good point. I'll look into this for sure. Thanks, George

Hi anyone have recommended pcb manufacturer?

Electronics Forum | Fri Feb 02 12:13:56 EST 2018 | psilvm00

I would like also to recommend a new European company: www.smtlowcost.com Regards.

MSL Level 1 Component Question

Electronics Forum | Thu May 12 13:26:31 EDT 2016 | kahrpr

Hi Are we talking about a BGA or a resistor. Knowing the type of part would help.

black fiducials

Electronics Forum | Wed Oct 12 13:44:10 EDT 2016 | dekhead

Yes, bottom-side fids are usually half-etched with epoxy fill. just the half-etch gives a pretty "dirty" looking fid.

black fiducials

Electronics Forum | Wed Oct 12 13:55:14 EDT 2016 | dekhead

OLD DEK manuals actually have a procedure for fiducial fill, and they used to sell a kit (for way too much $$$$); since usually pretty well covered by stencil vendors probably not on the list any more. www.dekhead.com

Nozzle to camera calibration

Electronics Forum | Wed Oct 12 13:29:33 EDT 2016 | bobpan

Hello Todd, Go to my website: www.precision-repairs.com Send me an email from there and I will send you a document that has the calibration procedure in it. Bob


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