Electronics Forum | Tue Apr 11 10:30:46 EDT 2000 | Jeremy Smith
I am having a problem with some joints on a 100 pin pqfp and few different soics on one particular board. When viewed a 8x with a "Mantis" inspection scope the joints look as though they wetted to the ic leg but when probed the leg will pop loose.
Electronics Forum | Mon Nov 27 16:31:07 EST 2000 | Chris Jackson
I am evaluating several pieces of Siemens equipment and would like to get some input from industry users. I am seeing that Siemens is able to meet cycle time estimates and thus throughput. I am concerned about the robustness?? Any input is welcome. T
Electronics Forum | Mon Nov 27 19:00:52 EST 2000 | Christopher Noonan
When the are up and running they are hard to beat, but when they go down they go down hard. Keep field service close. Don't get me wrong they're great machines and the company I used to work for had some of the first machines available. I come fro
Electronics Forum | Thu Sep 05 23:18:03 EDT 2013 | feiyangniao
There is a new toy I received today: a NeoDen TM-240A automatic desktop pick and place machine! I’ve kept my eyes on this baby for a quite a while, and finally decided to make a purchase last week. The shipping was very fast: DHL from China, a total
Electronics Forum | Mon Sep 01 08:35:26 EDT 2014 | mun4o
Thanks. I am from Bulgaria.I am litlle worried that YS24 and YS12 are old models.If I am not mistaken YS24 = MC24 (ASSEMBLEON).But assembleon mc24 no longer produced?
Electronics Forum | Wed Feb 09 19:19:19 EST 2005 | russ
Sorry Duckman, I am not Valerie but I am going to answer you with what we did and do. We will either pin in paste or utilize selective wave pallets. Russ
Electronics Forum | Tue Mar 24 23:44:17 EDT 2020 | kghadiya
I am having trouble programming circuitcam for mydata (my9) pnp machine. My question is, when i digitalize the gerber file what should i take care to get required output for my9? In my9 i cant see exact positions of all the components. I have assign
Electronics Forum | Tue Aug 28 11:12:23 EDT 2007 | grics
This is what I was thinking, but I am being beat up pretty badly by the selective solder. Ambient temperature is anywhere in the the neighborhood of 76 - 80 degrees F. I am not sure of the RH, but I wouldn't think that would be my issue... One of
Electronics Forum | Tue Mar 14 05:02:35 EST 2000 | emmanuel
I am to implement PBGA, and i am looking for PCB surface finish informations. A lot of technical reports are specifing NiAu finishing because of flatness property. Because of leads shape, I though that BGA doesn't need flat pads like QFP. Is it false
Electronics Forum | Tue May 02 15:29:14 EDT 2000 | M. F. Roe
I am looking for public papers or articles on intermetallic formation as a function of reflow profile. Most solder paste vendors specify peak temperature and time above liquidus, but I am particularly interested in what happens to intermetallic grow
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