Electronics Forum | Fri May 31 14:36:12 EDT 2002 | russ
does anybody have any info on what the minimum kV power should be on an X-Ray machine to handle general BGA inspection? I have heard that you need a minimum of 100 kV for the Metal top packages but have also heard of people using 50-60 kV but I don't
Electronics Forum | Tue Jul 02 21:47:44 EDT 2002 | alex_kirichenko
Hello everybody!!! We are going to start loading 0402s and I'm looking into all diffirent sorts of problems. From this forum I see that tombstoning is the main one. I found article about using U-shape appeture design for 0402s. I never had stenc
Electronics Forum | Mon Dec 09 20:34:20 EST 2002 | MA/NY DDave
Hi I hear you, and you are right, yet most good process engineers strive to make future life a little easier by going back to the designers and making some alterations that don't affect performance. Now if we did a 6 sigma type analysis than this p
Electronics Forum | Wed Apr 09 23:37:52 EDT 2003 | MA/NY DDave
Hi I know what DaveF is saying about the Kapton situation, yet from what I remember also at a KIC presentation the Kapton technique wasn't given as bad a billing as Dave describes. You do have to make sure you get a good firm contact and verify it
Electronics Forum | Thu Jul 03 18:14:03 EDT 2003 | russ
Kris, I don't know what I HAVEN'T SEEN yet cuz I haven't seen it. (HAHAHA) It is kind of like when you are looking for something and you always say after you found it that it was the last place you looked (Why would anyone keep looking for something
Electronics Forum | Mon Jul 14 12:24:02 EDT 2003 | MA/NY DDave
Hi So Steve, I must have missed something from your last subject topic. "solder fillet peeling" Are you saying you or they, Ultrasonic Clean for 20 to 30 minutes after soldering and that is suspected as causing the cracking at the top of the compo
Electronics Forum | Wed Nov 26 10:46:45 EST 2003 | caldon
For a general rough rule of thumb I use Practical Components for programming our machines. Practical has a nice layout of most Tape and Reel components and sizes. We use this mostly for tape/ feeder allocation. But for QC, Specs, and Other Stuff we
Electronics Forum | Wed Oct 20 15:58:09 EDT 2004 | chezm
Hi, I am looking for someone to repair my Universal Digitizer/Programmer model 6892. I can not get the "@" sign after loading the GEN.exe to UIC and also the X,Y display, over the digitizing table is blank. I think, there is a hardware issue. An
Electronics Forum | Tue Oct 26 11:01:54 EDT 2004 | Simon UK
DO you have an xray onsite? One suggestion is to check what you can with that machine, i know it wont be able to magnify to 200nm or something, but it will show any ESD damage to the wire bonds or any major cracks of the silicon die. P.s. Most devi
Electronics Forum | Wed Jan 04 09:17:40 EST 2006 | JW
Another software option for you maybe GC-Powerplace by GraphiCode. Before purchasing CircuitCam, we used an older version; GC-Place, with good results. Sorry, I don't know pricing. Our version is very flexible (creating Gerber, Gerber to DXF, output
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