Electronics Forum | Sun Apr 05 18:36:41 EDT 1998 | Graham Naisbitt
Sylvia, I believe you will find that contrary to Scott Cooks submission, that the work carried out by Robert Clark of Hughes Missile Systems at (then) Tuscon Arizona formed the basis of the MIL-F-14256 spec which "Qualified?" or at least "Approved" O
Electronics Forum | Fri Dec 12 10:28:30 EST 1997 | David Syracuse
I am interested in locating a water soluble resist mask that does not leave a residue after wash and is easy to work with during the screen printing process. I have tried the Alpha Metals 110 and 220 solder mask and have found that it does not leave
Electronics Forum | Mon Oct 15 23:30:35 EDT 2001 | Ivan Rojas
Well Dave ,,, ,, first thing I should do ,, is check my CAD data , and make sure match with the program in the pick and place machine ,, right now I work with Siemens and GC-Place ,,, In my case it may be other things to look for ,,, if is everythin
Electronics Forum | Wed Dec 05 22:38:40 EST 2001 | Ivan R
Hello Chris , Well I have work with MYDATA , QUAD and PANASONIC before and now with SIEMENS that is my background to reply to your question . What I can tell you is that MYDATA is the easier machine to fix any equipment breakdowns and that does
Electronics Forum | Thu Mar 21 18:48:15 EST 2002 | djarvis
Ummmm, from my view, You get to play with some cool gear. You get the high of "giving birth" when a new job roles out of the oven. (OK Ladies, don't howl me down - I know it's a lot less physically painful). You get that lovely look of comprehensi
Electronics Forum | Sun Apr 28 05:36:54 EDT 2002 | Johan Bergstrom
I don�t believe I am reading this! Stefan, as a colleague feeder designer I have all respects for your knowledge, but you theorize without having tested this. The design team and I have been working with this technology for several years now. Sure,
Electronics Forum | Fri Jun 28 16:21:03 EDT 2002 | russ
Is that 5 top and 5 bottom zones? We use a 4 zone and a 3/4 zone oven for BGAs and have success. I don't believe that the amount of zones is the issue but what type of profile you can get out of them. I will admit that the large ovens are much eas
Electronics Forum | Wed Aug 21 02:11:58 EDT 2002 | kenbliss
Hi Joseph It is not clear what you want us to comment on, however I will take a shot. 1. If the boards you are assembling are expensive it may make sense to strive for 50ppm. 2. If the boards are not very expensive, in my experience you would be
Electronics Forum | Mon Aug 26 20:35:08 EDT 2002 | davef
There are no industry standards for eutectic solder-paste in conjunction with the life span of solder-paste. Whatever that is. Speaking of that ['whatever that is.'], what do you mean by �life span of solder-paste�? Is that: * Shelf life? * Workin
Electronics Forum | Thu Sep 12 15:58:02 EDT 2002 | stepheno
It's been years since I worked with a Fuji. I only once resorted to the undocumented part class 255 (or whatever they call it) and that was when I was working midnight shift. The smaller nozzle working better than the larger nozzle makes me wonder a
