Electronics Forum: seeing (Page 221 of 725)

Grid lok system

Electronics Forum | Thu Mar 02 21:23:30 EST 2006 | Wave Master Larry

Well see you wrong. I've done this kind of thing for 12 years and I cna tell you that suporting boards with anything else will cause more problems. wave is an art tha needs to be respected even by engineers at AI. Once you get the process down the

Green inductors

Electronics Forum | Thu Feb 16 16:16:19 EST 2006 | fredc

We saw something like this in the machine shop years ago. Fumes from a soldering operation in the shop turned exposed iron and steel tools and the spindle on my Bridgport mill green. Can your supplier apply plating or a coating to the exposed parts o

Green inductors

Electronics Forum | Mon Feb 20 07:59:50 EST 2006 | dpmilk

We saw something like this in the machine shop > years ago. Fumes from a soldering operation in > the shop turned exposed iron and steel tools and > the spindle on my Bridgport mill green. Can your > supplier apply plating or a coating to the >

Big Holes (no Pun intended) in the IPC610D Criteria for Shrink/t

Electronics Forum | Mon Feb 20 04:59:40 EST 2006 | Loco

For visual inspection table 1-2 seems to be in order here. If you can not see the bottom using 1.8 and table 1-2, it clearly would be a defect and rework would be the only option Well, my thoughts anyway, wonder if someone has other thoughts on thi

ESD Flooring

Electronics Forum | Tue May 30 22:43:35 EDT 2006 | zoedujuan

Hi,see you message on forum. and you said you install a ESD flooring for a Germany company,I guess your company do the ESD antistatic products,and my company do this kind of products,do you have the interesting to buy them with good quality and comp

Where's the rush?

Electronics Forum | Thu Feb 23 19:03:38 EST 2006 | russ

We should be getting close to a new "deadline" huh? what is going to happen in Europe when the day comes and "it just aint ready" Will they actuall stop importing and using? I have not read the directive for all of the little nuts and bolts so thi

Necessity of ROSE in commercial quality processes

Electronics Forum | Mon Feb 27 19:48:32 EST 2006 | stepheniii

I'm not sure that would be valid. My understanding was that solids were trapped by other non-active flux residue. Which is why you can leave them on and why you see white residue after washing. I think the ROSE test would release particles that woul

Cleaning PCB assemblies

Electronics Forum | Tue Feb 28 07:53:28 EST 2006 | amol_kane

some coatings are more forgiving to surface contaminations than others. best way to go about is select some coatings with the properties you need and then trial the boards to see any coating defects (like dewetting, pinholes, flaking etc) wiping wit

Cracked chip capacitors

Electronics Forum | Thu Mar 02 13:20:26 EST 2006 | inds

jagman, take a hard look at a capacitor under the high mag microscope before you start assembling it.. I remembering seeing cracks even before the assembly. apparently all chip capacitors have crack at the intersection between the capacitor head and

Tin Lead BGAs in leadfree paste

Electronics Forum | Tue Mar 07 08:44:10 EST 2006 | billyd

Craig - You should not use the leaded parts, as you are, in all likelyhood, going to see massive voiding. We just went through this same deal where I work, because a manufacturer sent us the incorrect parts. You can go with lead free parts with regul


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