Electronics Forum | Wed Jan 19 12:34:32 EST 2005 | Robin Daniel
I have an issue where our production team has ran the wrong reflow profile on a no lead product where Indium NC SMQ-230 no lead paste has been used. You can still see the grains of solder after reflow. What I am look for is if anyone has any recomm
Electronics Forum | Sat Feb 12 13:40:27 EST 2005 | etienne
As I was explaining in my thread, the things that you have to look for when buying an AOI is the false calls rate (which you described perfectly) vis a vis the money and time you want to spend. We bought our machine after that we evaluated some. As y
Electronics Forum | Mon Mar 07 18:41:13 EST 2005 | jimmyb
--IE, Funny.--- I "remember" kinda, from the early CP6 years, things about the springs. The early Fuji springs had sharp ends, and if you spun the nozzle, prior to final attachment, the opposite way it could stick, and if it was spun the right way,
Electronics Forum | Mon Feb 21 02:02:54 EST 2005 | JSS
First of all THANKS for thr reply. I totally agree with u that paste dried,stencil aperture clogged like probs comes during the production but we hv a visual inspection stage (with 5X illuminated lamp)after printing process and before inserting the
Electronics Forum | Thu Mar 03 09:04:26 EST 2005 | russ
Been following this thread and have a question, Why do "touch-up" people follow different criteria than "Q.C." people. It sounds like the root of the problem is not addressed but bandaids are being put into place. We have no "Q.C." department and
Electronics Forum | Thu Mar 10 14:50:56 EST 2005 | russ
Rob, Fantastic! I sure wish we would have put our requirements into our last P.O. The G.M of the manufacturer of this machine flat out promised and guranteed a certain CPH after reviewing the products that we would be producing. When the machine w
Electronics Forum | Fri Mar 18 14:21:02 EST 2005 | Dreamsniper
We are producing control products for the Aerospace Industry both Commercial and Military. I have TQFP 100 fine Pitch in one of my PWB's Solder Side and have no misalignment problems or defects on my part after 2nd reflow. I control my reflow profile
Electronics Forum | Fri Mar 18 07:51:00 EST 2005 | jh0n
I'm currently trying to do a complete backup of a GSM-1. It's older, and only has one IDE connector (can't add another HDD), and no CD-R. We're having trouble with TCP/IP too. Given that floppy is my only way out right now, and that's pretty unatt
Electronics Forum | Sat Apr 30 10:37:25 EDT 2005 | Daniel
I think he did mentioned the board size in the inital thread: "265mm x 207mm pcb", but maybe it was not clear written. I have a question about rework and pre-heat: is it necessary to have the pre-heater to cover the whole board size, even if you onl
Electronics Forum | Fri Apr 29 08:39:01 EDT 2005 | davef
Few solder paste suppliers recommend freezing solder paste. Check with your supplier for recommendations. Examples are: * In many cases, nothing happens. However, some pastes are susceptible to damage that impairs paste performance. As a consequenc
