Electronics Forum | Tue Jan 17 17:29:42 EST 2006 | pjc
Here's a page on tombstoning: http://www.tkb-4u.com/defects/reflow/tombstoning/tombstoning.php Be sure to see this on the bottom of the page: For more info about this item look at the Articles / Newsletter: (Causes and Cures of Tombstoning Chip C
Electronics Forum | Sun Jan 29 11:54:06 EST 2006 | johnw
Hi Dax you want to run a cal card with good cad data on all machines then take the results and then alter the placement xy data to pull all machines into calibration. But make sure all the cameras are calibrated and the pam results are good and withi
Electronics Forum | Mon Jan 30 01:34:28 EST 2006 | ____
Export CCIMF files for both scenario's and have Fuji America look to see if there is an actual programming offset problem. To be exactly .3mm off seems a little odd.
Electronics Forum | Mon Jan 30 20:48:08 EST 2006 | ____
Send the CCIMF files to Fuji America to review. Need to make sure that the MainMark and SubMark are the same for each machine output program/ref.des. (847) 821-2401
Electronics Forum | Tue Feb 07 11:01:33 EST 2006 | johnw
Hi Dax drop me a mail and I will help you out my friend its not as difficult as you think
Electronics Forum | Sun Feb 05 17:01:31 EST 2006 | GS
total footprint should be about 4 square meter Let's consider dimensions: - length (conveyor) = 1,58 mt - width (front+back)= 2,50 mt Regars.......GS
Electronics Forum | Tue Feb 07 04:00:49 EST 2006 | dougs
have a look here http://www.tkb-4u.com/code/smdcode/indexsmdcode.php
Electronics Forum | Tue Feb 07 16:45:32 EST 2006 | Mike
Can someone point out what sort of defects at the joint I can expect if solder is above liquidus for 3-4 minutes rather than the typical 1 - 1.5 minutes. Voids? Grainy joints? Poor wetting? Thanks
Electronics Forum | Wed Feb 15 08:29:50 EST 2006 | pjc
In order of effectiveness / accurate reading: 1. Hi-Temp Soldering 2. ECD's Temprobe or new Flexiprobe http://www.ecd.com 3. Glue, such as SMT adhesive 4. Aluminum tape Capton tape should not be used as it expands at reflow temps.
Electronics Forum | Sat Feb 18 13:23:49 EST 2006 | CW
thanks for the reply GS. Do you know what does those condition mean? what is saturated 30C/85% RH???? i need to understand this before i could release my procedure and provide training to the operators
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