Electronics Forum: differs (Page 496 of 579)

BGA inspection microscope

Electronics Forum | Fri Dec 02 18:37:46 EST 2005 | Ola

What is the quality worth to You? How much is "to much" for You to spend on a good quality ckeck? How much benefit can You get in return, If You in the first place get the processes straight? These are the main questions that You have to answer Yours

Propensity of Immersion Tin surface finish fo whiskers

Electronics Forum | Mon Dec 12 11:18:59 EST 2005 | muse95

OK, I feel the need to jump in here. Bright Tin has the tendency to easily whisker, and is almost never used, except on some through-hole connectors, I believe. Matte Tin is much less susceptible to whiskering, although under the right stress cond

PCB intake speed on a Soltec oven

Electronics Forum | Sat Dec 17 08:25:13 EST 2005 | grantp

Hi, Yes, I was talking about the oven, but then thinking about Soltec in general and about things the software really should be able to do, got me worked up on the Deltawave. I guess the frustration with it's software is not far from the surface.

PVA Conformal Coating Machine

Electronics Forum | Thu Dec 22 10:51:12 EST 2005 | killer1994

Yes, I have been using it for 4 years now. We have the 4 axis, 3 head, 2 lines. Inspection station and ir oven. I have to say you will NOT get better support anywhere in this industry than from PVA. Their crew is top notch, always going above and bey

Solder Pot Temp fluctuating

Electronics Forum | Wed Dec 21 08:31:13 EST 2005 | DannyJ

Hi AJ, First, I am not intimately familiar with your wave, but I will share some experiences I have had with other products. First, I would check to make sure that all of your heaters are working. Simply go to the electrical connections, remove p

X7R woes

Electronics Forum | Tue Jan 03 17:14:37 EST 2006 | mariss

To recap: 1) The machines use laser centering, not mech jaw centering. 2) The X7Rs are scattered on the board, center and edges. Improper de-panelization would favor damaging the parts near the edges of the board; this is not the case. 3) Both ROH

SN100C vs. SAC 305 wave soldering

Electronics Forum | Wed Jan 18 17:07:32 EST 2006 | gregoryyork

Sorry Bob Could not respond been away busy. Just to correct you, we did not copy the SACX as we brought ours to market at least six months before so how could we copy, it is also a little different, but nicely reassuring when the 'big boys' do some

Poor Paste Release

Electronics Forum | Mon Jan 09 13:11:07 EST 2006 | Joe

I assume you're using a no clean Pb/Sn paste, with a metal squeegee. Here are some generic procedures for good printing results for all pastes. Clean and dry the stencil well using alcohol and vigorously rubbing it with lint free towels, blow it off

what is the different between ENIG and Immersion Au

Electronics Forum | Thu Jan 12 10:05:13 EST 2006 | davef

There's a lots comparisons like this on the web. Here's one: Westwood Associates said on 8/12/2003: ||HASL||OSP||ENIG||Pd||Tin||Silver Flat||no||yes||yes||yes||yes||yes Solderjoint||Cu-Sn||Cu-Sn||Ni-Sn||Ni-Sn||Cu-Sn||Cu-Sn Contact||E-test, ICT||no|

MS2 molten solder surfactant

Electronics Forum | Wed Mar 15 17:37:30 EST 2006 | Dan Feinberg

Greetings all, Dross has no value to the assembler. It actually degrades quality as a clean solder pot provides a more consistent process. Yes, removing dross does remove some metallic contaminates but that is overkill, like throwing away your refrig


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