Electronics Forum | Wed Jul 26 18:23:47 EDT 2000 | Gary
I have been following forum discussions here and eslewhere, attended technical sessions at APEX and have been experimenting with the paste-in-hole process on some of our new product. I have run into one problem I have never seen mentioned, that is a
Electronics Forum | Mon Mar 06 17:17:13 EST 2000 | gary
I need a little help with RF and Rogers 4003 board material. My background was in digital and now I need to set up a new line to make small RF products (.5" x .5" or smaller). I want to find out about board platings, finishes/maskings and reasonable
Electronics Forum | Tue May 01 18:38:44 EDT 2001 | djarvis
Barry, We have two of the MV models, one that we bought second hand, and the other new. The " i S " means inline? We love the MV's, which are offline, semi-auto, vision aligned. Just a great machine. Simple, intuative software, all parameters easy to
Electronics Forum | Tue May 08 21:13:04 EDT 2001 | Paul
My company is a low-volume high mix contact electronic manufacturer. We are currently looking at purchasing a pick and place machine that is capable of mounting such new components as microBGA's and other CSP's at such ball pitches as 0.5mm for examp
Electronics Forum | Wed Sep 25 10:56:27 EDT 2002 | xrayhipp
Yeah, perhaps lean more towards a ramp-to-spike profile - reducing the soak time and add a littel heat to your temp above liquid. This has worked for us with water soluable paste as we are not required to use no-clean and utilizing a 6-zone oven. G
Electronics Forum | Fri Mar 03 11:56:51 EST 2006 | Brad
We have a customer that is transitioning to RoHS compliant assemblies. Their layouts are not changing from the old boards to the compliant ones so the stencils will remain unchanged. They are going through a transition phase where both will be buil
Electronics Forum | Fri Mar 03 12:22:41 EST 2006 | russ
Haven't done any studies other than how clean can you get a stencil. I would clean 'em and inspect the apertures and see if you have any residues. If so, I would clean again the amount left would be so miniscule that I don't beleive it would cause
Electronics Forum | Mon Jun 26 23:33:20 EDT 2006 | KEN
We saw this condition over 3 years ago. It sometimes is called "champagne bubbles". The intemetalic formation is interrupted due to the micro voiding reducing mechanical strength. I discovered this on lead free test vehicles for a major computer
Electronics Forum | Wed Aug 13 17:39:27 EDT 2008 | awegener
In light of this new information I've received from everybody's comments, I'd like to get more information about pick and place nozzles. How can I learn more? ... What do the nozzles look like? Are there different shapes? What kind might you r
Electronics Forum | Thu May 29 22:06:24 EDT 2014 | proy
Hi You might want to join and post this on my Yahoo Assembleon users group, it is new so we only have 6 or so members, but as it grows it will be more and more useful. My 2c worth is that a sapphire might be kind of old and problematic for support
