Electronics Forum: inspection defects (Page 11 of 44)

Re: Defect Rate Measurement Technique

Electronics Forum | Mon Jul 05 18:40:24 EDT 1999 | JohnW

| Dear All, | | We are a medium sized Electronic manufacturing company manufacturing computer motherboards and Telecommunication products. We have a big debate going on within our company regarding the defect rate measurement technique. | | At p

How to define solder paste printing height tolerance

Electronics Forum | Mon May 07 16:07:05 EDT 2012 | davef

Start with targets based on the stencil thickness (for height) and stencil thickness times the aperture size (for volume). * Set reasonable upper and lower control limits (+ 25% and –25 % of the targets, for example). * Next, check the printer set-u

solder fillet peeling update....

Electronics Forum | Mon Jul 14 16:26:58 EDT 2003 | slthomas

Yes, they do the cleaning, we did the (apparently first) inspection and caught the problems. They tried a shorter cleaning cycle, witnessed no defects, and attributed the defects on the boards we had to their cleaning process. Now they just plan on

PIHR Inspection Criteria

Electronics Forum | Thu May 17 22:41:05 EDT 2001 | davef

Hi Bob Still getting the cushy jobs, eh? [Tennent's and McEwans are two of my favorites. "Ahh, Beer! My one weakness...my Achilles Heel, if you will..." Homer J Simpson Quote 89/114] Under "Acceptable" for "Pin-In-Hole/Intrusive Reflow Inspection

Can anyone tell me that between Mirtek & Kohyoung which AOI machine will be better and why?

Electronics Forum | Fri Feb 13 08:41:45 EST 2015 | emeto

Hi, I have MV-7xi from Mirtec. Mine is equipped with the best camera they have as well as telecentric lens which give you very good resolution and view. Machine handles very good most of the defects in SMT. However, when we go to the solder joints i

Opinions about AOI Machines

Electronics Forum | Mon Feb 13 14:34:31 EST 2006 | pjc

The best way to compare is ask each machine company to bring their machine in for a demo. Since they are bench-top machines, they are easy to transport. Pick one of your boards for them to run. Don't send any board data ahead of time. When they come

Re: BGA Inspection Criteria

Electronics Forum | Sun Dec 10 11:55:16 EST 2000 | Bob Willis

The following may be of interest to you. INTRODUCTION TO X-RAY INSPECTION All text Copyright Bob Willis, EPS INTRODUCTION TO X-RAY INSPECTION The use of X-ray inspection is becoming very popular due to the increased use of Ball Grid Array (BGA)

Re: BGA Inspection Criteria

Electronics Forum | Sun Dec 10 11:55:28 EST 2000 | Bob Willis

The following may be of interest to you. INTRODUCTION TO X-RAY INSPECTION All text Copyright Bob Willis, EPS INTRODUCTION TO X-RAY INSPECTION The use of X-ray inspection is becoming very popular due to the increased use of Ball Grid Array (BGA)

Re: BGA Inspection Criteria

Electronics Forum | Sun Dec 10 11:56:05 EST 2000 | Bob Willis

The following may be of interest to you. INTRODUCTION TO X-RAY INSPECTION All text Copyright Bob Willis, EPS INTRODUCTION TO X-RAY INSPECTION The use of X-ray inspection is becoming very popular due to the increased use of Ball Grid Array (BGA)

AOI systems

Electronics Forum | Wed Mar 28 11:53:50 EST 2001 | Steve

Take the leap of faith my friend!! Buy the AOI and watch all of your problems disappear. Okay, so I exaggerated a bit. Let me tell you the real story. We purchased a CR Technology RTI6500 almost two years ago. We chose the CR Tech unit because it wa


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