Electronics Forum | Tue Apr 10 14:35:52 EDT 2007 | UT
We are in middle to prototyping a lead free assembly for one of our customers. We are using lead free bare PCBs, consumables and components, except for two ICs which are leaded per the customer BOM. Will the overall assembly be defined as lead free p
Electronics Forum | Tue Apr 10 17:44:50 EDT 2007 | Anon Y. Mous - Senior SMT Superczar and Process Guy
One of our customers had us building "Pb-free" assemblies with a few Sn/Pb parts on them. THEY got rolling too slowly and we were not able to bring in the required Pb-free components due to lead-time (not Pb-time) issues. When they started requesti
Electronics Forum | Thu Dec 21 13:06:16 EST 2006 | vortex
Hi we are a small contract manufacturer in need of a one time use cable crimping tool DF13-TB2630HC. We only have 3 (4) contact wires to make which will be plugged into another assembly. The p/n we are trying to crimp is DF13-2630SCFA. If you have th
Electronics Forum | Mon Mar 16 08:34:46 EDT 2009 | sachu_70
Hey Loco, how about saving the bottom side? It actually only depends on your oven setting specific to Top heaters and Bottom heaters. Unless you set the parameters rightly, you would face such issues. It only indicates that you need to seriously re-l
Electronics Forum | Mon Apr 23 09:37:20 EDT 2007 | davepick
Assuming you are going to build using a Leaded part on a Lead Free Process - beware of Weak Joints. I saw this at a large Multinational company - They had secondary reflow on a Top Side QFP when the PCB went over the wave. We did pull strength tests
Electronics Forum | Wed Sep 11 07:37:11 EDT 2002 | mk
Whoaaaa Genny, Its not that bad!!! The difficulty factor is in assembling your own boards is all releative to how many, and how difficult they are. Most studies show that the vast majority of defects in smd assembly are generated in the application
Electronics Forum | Thu May 18 22:00:38 EDT 2000 | Dean
...ahh....memory lane. 10 years ago I worked on a project for a customer who needed a low cost, high volume board for RFID tags for cows (yes, moo). These boards were 0.50 inch in diameter, 50 per panel, double sided SMT punch style fabs. 300,000 b
Electronics Forum | Fri May 19 10:39:33 EDT 2000 | Travis Slaughter
Did the cow tag thing too hu? � inch yea, 50 in a panel sounds right did the rows happen to be offset (looking a little like a honeycomb)? We didn�t have a great deal of trouble with the boards falling out at most it was a minor inconvenience. Per
Electronics Forum | Fri May 19 10:40:27 EDT 2000 | Travis Slaughter
Did the cow tag thing too hu? � inch yea, 50 in a panel sounds right did the rows happen to be offset (looking a little like a honeycomb)? We didn�t have a great deal of trouble with the boards falling out at most it was a minor inconvenience. Per
Electronics Forum | Fri May 19 10:40:46 EDT 2000 | Travis Slaughter
Did the cow tag thing too hu? � inch yea, 50 in a panel sounds right did the rows happen to be offset (looking a little like a honeycomb)? We didn�t have a great deal of trouble with the boards falling out at most it was a minor inconvenience. Per
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