Electronics Forum | Mon Jan 07 17:51:34 EST 2008 | jmelson
The clear plastic packaging for LEDs is a LOT softer thermoplastic than the thermoset epoxies used on ordinary chips. I think people have had high failure rates when reflowing LEDs in all-plastic packages even at SnPb temperatures, and much worse at
Electronics Forum | Fri Jan 18 12:54:22 EST 2008 | john_smith
Craig, I know just what you are looking for as we run product that is very similar to what you are talking about. Currently we have a in-house made soldering robot the we are using to solder
Electronics Forum | Tue Jan 15 10:59:11 EST 2008 | gregoryyork
We did numerous testing some years ago on matte, gloss and semigloss and found after chemical extraction of the PCB and IR analysis the only difference was the actual cure of the resist. The more plasticizers released the worse the balling If you use
Electronics Forum | Fri Jan 11 15:16:46 EST 2008 | jaimebc
Our programs are created in an ASCII format ( we do not have Unicam or Circuit cam )So using Microsoft Excel,we open/load the finished PNP program and then we sort it by reference designator. Still in Excel, we then open/load the BOM (in an ASCII)
Electronics Forum | Wed Jan 16 04:16:11 EST 2008 | grantp
Hi, That's great, and I did not know this was possible, as I did not see that thread when I searched the archives. Do you know of any companies that take your board outline and will design a palette to hold it through the printing, smt loading and
Electronics Forum | Wed Jan 16 13:31:43 EST 2008 | chef
Not a current user but have purchased several systems in the past. A major point for evaluation is: Can an older used equipment do the job and not have to buy the latest, greatest all bells and whistles machine? This depends on your applications, BG
Electronics Forum | Fri Jan 18 07:01:41 EST 2008 | cyber_wolf
Hi, The solenoid that sits on top of the vacuum generator on my Fuji bare board loader is croaking slowly. Fuji will only sell me the entire generator assy. which cost more than I paid for the loader. The only markings on the solenoid are DC24V 540
Electronics Forum | Wed Jan 23 12:35:24 EST 2008 | bobpan
Here is a few things to try.... 1. Spin the z-shaft with your fingers and make sure it is smooth and easy to turn. 2. Check your handling in your profile for the part that the software is locking up on.......You cannot go any slower than 40% or this
Electronics Forum | Tue Jan 29 11:14:47 EST 2008 | wayne123
I agree with Idumont.....KIC works great for me, it has 9 inputs, and is pretty good at predicting the direction that you may need to tweak your profile, the only thing is I think that these untis ( slim kic 2000) are fairly spendy. not sure though,
Electronics Forum | Tue Jan 29 22:01:51 EST 2008 | davef
These test are largely useless. Check the fine SMTnet Archives for previous rants. Manufacturers of machines to use are: * Peel tests: Instron [Instron Worldwide Headquarters; 825 University Ave, Norwood, MA 02062-2643; 800 877 6674 http://www.inst
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