Electronics Forum | Tue Dec 07 17:40:30 EST 2004 | davef
We'd suggest listening to your CSP component supplier. The standoff is too low. Check with your flux suppliers for the information you seek.
Electronics Forum | Mon Dec 13 16:19:06 EST 2004 | saragorcos
Check out Envirosense - their cleaning chemistries are very enviro-friendly, and extremely effective - their website is http://www.envirosense-inc.com - if you contact them, see if you can reach Mark Palmer.
Electronics Forum | Mon Dec 13 14:41:41 EST 2004 | DasonC
Check IPC-7095, 7.4.1.6 For Class 2, 45% of the diameter adn 20.25% for the area.
Electronics Forum | Wed Dec 15 12:47:59 EST 2004 | DasonC
Recommend to check http://leadfree.ipc.org I agreed the lead free is a must for environmental and human health. Not sure how soon they can found out another harmful material
Electronics Forum | Wed Dec 15 18:09:10 EST 2004 | DasonC
Jedec J-STD-033A for components. For the Fab and assy, you can check IPC-PE-740, Para. 1.5.4
Electronics Forum | Tue Jan 04 22:41:47 EST 2005 | Dorklover664
Are you sure that the operators are checking pickup placement before the run starts? We had that happen once when yours truly didn't do her job right. Megan
Electronics Forum | Tue Dec 28 22:29:14 EST 2004 | davef
Doesn't make sense. Either your: * Oven is not operting properly [attach your profiler thermocouple to the baffle of each zone with a screw to check] ... OR * Conveyor speed is too high ... OR * Profiler is defective
Electronics Forum | Mon Jan 17 15:34:38 EST 2005 | montec2000
Just a thought, but check to make sure you dont have a pickup offset in your pd or machine thats causeing your problem.
Electronics Forum | Tue Jan 18 15:06:55 EST 2005 | DasonC
Check J-STD-033A. You can get free copy from http://www.jedec.org. It will describe all the information including baking, storage, etc. Regarding the cycle for the baking need refer by supplier since baking will increase the oxidation rate on the b
Electronics Forum | Fri Jan 21 00:58:21 EST 2005 | Shito
Hi Hannu we are using the same machine and try different needles and the best one we come out and we still using it strong are the needles from EDF , check them out at http://www.efd-inc.com/ , you can ask for some samples . Shito
