Electronics Forum: index (Page 5264 of 7903)

Contamination test

Electronics Forum | Sun Jul 29 21:33:30 EDT 2001 | CAL

Your Ionograph and Zero-ion Values are set by you. There is no raw pass of fail criteria only the limits you set up. Ionograph is great for bare board resistivity (salt) test just as a pass fail for incoming inspection but this is all per your facto

Component soldering strength ?

Electronics Forum | Mon Jul 30 09:31:46 EDT 2001 | kennyhktan

Dear All, I'm now facing with 0805's component missing problem at the production after mounting. In able to containing the defect I'm been trying to increase the soldering strength by changing the stencil thickness from 6mil to 8 mil on a step do

Tooling Support

Electronics Forum | Tue Jul 31 03:06:11 EDT 2001 | Lex WW

I am planning to evaluate DEK's Formflex board support system in our plant soon. Does anyone have experiences with this? I know that the grid of pins "locks on" to a particular product after the initial setup, but am curious to know how each individu

Tooling Support

Electronics Forum | Fri Aug 03 12:24:14 EDT 2001 | hinerman

I can only describe how the Grid Lok handles component variability. The compliant caps have an annular ring that is very soft and can mold to different shapes. If a component shows up where there was no component before, the outside of the cap bend

Tooling Support

Electronics Forum | Thu Sep 20 13:28:23 EDT 2001 | ohanlon

Here is how the FormFlex system conforms to component variations. The FormFlex system utilizes an oil chamber that is common to ALL the pins once the system is set. Pushing down one pin will cause the displaced oil to be shared by all the others pins

Support Fixtures or Systems

Electronics Forum | Mon Jul 30 10:44:37 EDT 2001 | hinerman

A few of the more common defects If bridging or insuffienct deposits occur on the printer, one of the first things to check is the tooling. Misplaced hard tooling pins or poorly designed fixtures have a nasty habit of breaking components on side

What is the std Resistivity for DI water at Aqueous

Electronics Forum | Tue Jul 31 13:55:27 EDT 2001 | mparker

Maintain DI water to 18 Meg Ohms resistivity. You can go down as low as 2 Meg ohms, in a pinch, but I would caution on what type of board you are running if trying to clean on 2 Meg ohm. Anything that is running an RF or high frequency circuit could

ERSA scope?

Electronics Forum | Wed Aug 22 21:11:38 EDT 2001 | ksfacinelli

We have utilized the ERSA Scope for over one year. Our experience is that it is an excellent product in evaluation of problematic assemblies. It takes a little bit of time getting dialed in on the equipment but once you have it mastered it can see

Unsoldered Component

Electronics Forum | Tue Jul 31 18:49:20 EDT 2001 | arsmoriendi

i have a problem with some units that had one capacitor only soldered in one side, the geometry of the capacitor is 0805, our product during his life suffer a lot of stress (due temperature or vibration), some of those units are already with the cost

Unsoldered Component

Electronics Forum | Tue Jul 31 20:12:01 EDT 2001 | davef

If you've told your experts in Germany and US as little as you've told us, I'm not surprised they don't know dip. Sorry, I just snapped there for a moment. That wasn't politic, was it? Yes, it is possible that the other solder connection on this c


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