Electronics Forum | Thu Mar 11 11:08:22 EST 2010 | geocep
I am using AIM Electropure SN63/Pb37 Solder, & AIM NC266-3 Flux; just like what ACE recommends. I have both Ultra High Pure T-Tanks and a Cryogenic Dewar Tank for Nitrogen, and neither seems to have improved the problem. I place a piece of tempered
Electronics Forum | Wed Mar 10 08:31:22 EST 2010 | sibbe
Currently I'm working on a study of the quality of our SMD process. For this I am investigating the possibility of adding an of-line AOI There has been previous research done (late 2007), bij the company I work for. Since there could have changed
Electronics Forum | Tue Mar 23 14:08:57 EDT 2010 | davef
You have what looks to be blisters/delamination. Use IPC-A-600F as a guideline for acceptance. Usually, we start from the opinion that blisters/delamination as a fabrication issue, even if it appears during solder processing. Often blisters/delam
Electronics Forum | Wed Mar 31 06:08:45 EDT 2010 | miroyu
Hi everyone ! I started to program quad 4C for the first time and have some problems. First, board detection LED and proximity Led (on the front panel) are not lightning whatever I do! Second problem is I teach machine board size, nozzle locations
Electronics Forum | Thu Apr 08 02:04:53 EDT 2010 | dilogic
Having no real experience with x-ray inspection, this answer helped a lot. What I actually want is to check top 3 layers and it should be pretty straightforward, as the second layer from the top should be almost empty and the third one should be a gr
Electronics Forum | Sat Apr 24 10:43:31 EDT 2010 | davef
Hege: Sounds like this customer is a putz. Ask the putz to sign a release, acknowledging responsibility. Here's a couple more links on imm silver: * http://www.pcbdesignschool.com/wp-content/uploads/2009/08/the-study-measurement-and-prevention-of-t
Electronics Forum | Sat May 29 02:20:08 EDT 2010 | vinitverma
Mch Adjust > Adjust Target > Laser Unit > Nozzle Position. Here the laser will automatically detect the centre of the nozzle. Remember - It'll give you the option of using a component for the test but DON'T use any component. Let it detect the centre
Electronics Forum | Tue May 11 08:21:16 EDT 2010 | nrw
Hello, I am in the process of setting up processes for a low volume SMT line for internal prototype production, where a 500g jar of solder paste would last weeks. Our distributors only seem to want to supply 500g jars (anything else is significantl
Electronics Forum | Fri May 21 09:08:58 EDT 2010 | rway
We recently received in a reel of a QFP-64 TI processors. TI has such a great lead time right now, we were forced to find these parts where we could. Unfortunately you are forced to deal with less than reputable people. So these parts did not come
Electronics Forum | Tue Jun 08 17:31:15 EDT 2010 | whitewing
For protos and very short runs I already use a polyester stencil + pizza oven process which is fine except for the placement time and tedium. I'm partly trying to bridge the gap between that and stuff that needs subbing out due to quantity, and partl
