Electronics Forum | Wed Jul 27 17:01:14 EDT 2005 | Dreamsniper
Issue: At 60'C test PCB Fails. Operator did simulation. Use of Heat Gun to heat up the BGA to 60'C while PCB is powered and running. At 60'C BGA fails. When pressed system is back which means that something becomes open. Sent BGA for SEM and found t
Electronics Forum | Wed Oct 19 07:44:33 EDT 2005 | davef
When a hole is drilled during board fabrication, it can transfer resin from the base material (eg, FR4 core or prepreg) to cover the exposed edge of conductive material in the wall of a drilled hole. This is called resin smear. Etchback is a control
Electronics Forum | Wed Oct 26 10:40:43 EDT 2005 | patrickbruneel
Jimmy, We've been soldering tin plated components and Ni/Sn (100% Tin) boards with leaded solder in the 80's in hirel and military applications. We never experienced reliability issues with the mechanical or electrical properties of the solder joint
Electronics Forum | Thu Dec 15 19:43:33 EST 2005 | Liza
Stefan - We are using an automatic sealing equipment and have several controls also. The particular machines used for processing these products could be narrowed down to 5 machines at most. The sealing temp, pressure and dwell time are checked on a
Electronics Forum | Mon Feb 13 16:24:39 EST 2006 | samir
SPC was a fad of the '80's and has been mis-used by the igonorant for decades now! Doing SPC on defects is a case in point. Hell I implemented wave SPC programs before eating breakfast at 2 previous companies, and they worked great..resulting in 25
Electronics Forum | Tue Mar 21 19:22:10 EST 2006 | SJ
I just saw a pre-release demo for the 8.0 AML functionality, which should do the job. Our assessments and concerns with the different ERP's are similar to yours, for example in not wanting to go with antiquated implementations. My question is, if yo
Electronics Forum | Sat Mar 11 11:10:05 EST 2006 | eolparts
Hello All, I sent Grant an e-mail and I wanted to share with you. My name is Jim Schreiber and I am the product mgr at EOL Parts Inc. We have access to over 1000+ OEM and CEM excess/surplus inventories that we use on a regular basis to pass on cost
Electronics Forum | Thu Mar 09 00:45:57 EST 2006 | kent_peterson
Fastek will get it done with 2 machine and 2 shifts. 2 shifts would need to place 50,000cph. One CP643 with both device tables set could get it done. Having it panelized in 50's, you would need to print 50 panels a hour so get a auto cleaner on the p
Electronics Forum | Sun Apr 09 14:20:17 EDT 2006 | greatexpectations
Hi, This setup was recommended. Target is 20,000 board output per day FUJI GL-541 Glue Dispenser (USED) 32K FUJI GL 641 SCREEN PRINTER (USED) 57K CP-643E CHIP SHOOTER 255K (150 FEEDERS) FUJI QP-242E IP3 110K REFLOW 8 ZONE (IS THIS ANY GOOD) 4
Electronics Forum | Thu Jun 01 16:30:33 EDT 2006 | ricardof
My suggestion DEK printers are good, however, we have an EKRA, I'm really amazed, about $4 KUSD in spares and service in 5 years (approx $160 K for a printer) NXT is good, nice high volume, ease of use , quick changeovers, and we just ran them for 10
