Electronics Forum | Fri Sep 05 15:47:50 EDT 2003 | Hoss
Hello, We're an EMS provider doing low volume/high mix production. We've found a hole in our ECO and revision control systems that needs to be fixed. Within our ERP system, whenever possible, we try to keep the customer rev of an assembly as our i
Electronics Forum | Thu Jan 22 15:51:08 EST 2004 | solderboffin
CBGA devices are a bit trickier to reball than run of the mil plastic devices. Once assemblied they are a bit like a sandwich when fitted to a PCB. From top to bottom it goes BGA device - Eutectic solder - High temp solder ball - eutectic solder -
Electronics Forum | Fri Feb 06 15:52:18 EST 2004 | pjc
SPM is superior in terms of technology and application. SPM has larger print area, up to 20� x 19", vs. 17.7� x 15.7� for the MicroFlex. MicroFlex is microprocessor controlled while the SPM has a PC. SPM can print down to 12mil (0.3mm) fine pitch no
Electronics Forum | Thu Mar 04 18:18:02 EST 2004 | Ken
There is a japanese company that makes a ultrasonic hand-held stencil cleaner. I demo'd it for a day and it was fantastic! It even cleaned epoxy stencils. Can't recall the price...but it should be much much less than the smart sonic and other "mac
Electronics Forum | Mon May 17 16:34:25 EDT 2004 | pjc
I am an equip mfrs rep. I took a customer to my wave solder principal's factory to run their boards on a wave with no-Pb alloy, (Sn96.5 Ag3.0 Cu0.5) in air environment. The results were excellent with pot temp of 263C (505F). Their boards are low to
Electronics Forum | Wed Jun 02 16:33:08 EDT 2004 | davem
Fuji is the best, but there are other alternatives besides Quad. If you really want to look at Fuji, take a peek at their XP142E series. With "Vision processing on the fly" and a "Mini Turret Head" with 12 placement nozzles it should fit your needs n
Electronics Forum | Tue Jul 27 06:04:16 EDT 2004 | cyber_wolf
Grant, I know of a couple places that throw their paste out at the end of the day. I have worked in SMT for over 15 years and we have never thrown paste out unless it was contaminated, or dried out. We have never had a problem. If you ask me, I would
Electronics Forum | Fri Feb 18 00:44:44 EST 2005 | Grant
Hi, I would immediately go out and purchase a profiler as you will save the cost of it on rework savings. We use a SlimKIC, and the software with it's so good it will let you adjust the oven temps to make your profile fit your paste specifications
Electronics Forum | Wed May 18 14:58:05 EDT 2005 | splice
Hi, I am having some PTH non wetting issues. Setup and chronology of events is explained: Set Up; Part: 1 MM pitch connector 378 pins Solder: Kester Ultra Pure 63/37 solder Pot; 250 C pre heat; Peak 94C top side Flux: Qualitek 775, Fluxer: foam T
Electronics Forum | Mon May 23 10:53:32 EDT 2005 | HOSS
Eric, We also have a UPK 650C. Our machine was configured for N2 and using the ConTour nozzle. If you're using this nozzle without N2 you're creating tons of dross unnecessarily not to mention probably getting tons of icicling. We found out the h
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