Electronics Forum: ipc600g and class2 (Page 1 of 2)

BGA assembly and inspection

Electronics Forum | Tue Apr 03 01:37:54 EDT 2001 | philipreyes

60% 36% 0f ball area >36% Class2 Accept Reject 45% of ball diameter >45% 20.25% of ball area >20.25% Class3 Accept

Re: Paladium Pillows and Bad Dreams

Electronics Forum | Mon Feb 23 13:25:21 EST 1998 | Steve Gregory

Steve - you must not work to IPC class 2 or 3 requirements. If the solder is "pillowed" around the lead, I would strongly suspect a wetting problem. Most of the Paladium leads I see soldered have a strong line of demarcation but no pillowing. Hav

IPC Standard for Acceptable and Reject Criteria

Electronics Forum | Wed Nov 03 09:42:31 EST 2004 | dramos1

Hi Simon, Thanks for the immediate reply. We really appreciate it very much. Currently, we are using Class 2 for the visual inspection criteria of our telecom boards. In IPC-A-610 Rev. C criteria, there are TARGET, ACCEPTABLE and REJECT criterias.

IPC Standard for Acceptable and Reject Criteria

Electronics Forum | Wed Nov 03 09:18:27 EST 2004 | Simon UK

Hi Dennis, It is all dependant on what you state for the class of product i.e. Class 3 is the top end acceptance criteria used mainly in Aerospace and Military. You have 2 terms you need to grasp to avoid confusion. 1. Acceptance Criteria 2. Target

How to Differentiate Class 3 and Class 2 products in terms of process

Electronics Forum | Tue Dec 30 09:31:52 EST 2014 | rgduval

I've always approached it like this: Design your processes and perform your work to class three standards, and inspect to the standard that is acceptable. That is, all work should be performed to the highest degree of quality. When the work is ins

How to Differentiate Class 3 and Class 2 products in terms of process

Electronics Forum | Tue Jan 06 13:26:47 EST 2015 | rgduval

I can't say I've ever heard that you shouldn't rework class 3 products. Since class 3 and class 2 are inherently inspection standards, rework might be required to meet class 3 specs. In the past, that has been an issue, as everyone wants to produce

Pin Hole/Blow Hole - Causes and cure please

Electronics Forum | Thu Jun 24 04:38:31 EDT 1999 | Vinesh Gandhi

Recently, there has been an upsurge in the Pin Hole/Blow Hole problem in our wave soldering process. We are baking the PCBs for 2 Hrs. at 125 degree C. The Wave Soldering profile seems to be O.K. Still the problem is persistent. Can somebody help

Re: Pin Hole/Blow Hole - Causes and cure please

Electronics Forum | Thu Jun 24 10:48:02 EDT 1999 | Earl Moon

| Recently, there has been an upsurge in the Pin Hole/Blow Hole problem in our wave soldering process. We are baking the PCBs for 2 Hrs. at 125 degree C. The Wave Soldering profile seems to be O.K. Still the problem is persistent. Can somebody hel

Re: Pin Hole/Blow Hole - Causes and cure please

Electronics Forum | Thu Jun 24 11:41:10 EDT 1999 | John Thorup

| Recently, there has been an upsurge in the Pin Hole/Blow Hole problem in our wave soldering process. We are baking the PCBs for 2 Hrs. at 125 degree C. The Wave Soldering profile seems to be O.K. Still the problem is persistent. Can somebody hel

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