Electronics Forum | Sat Mar 21 16:37:22 EST 1998 | Earl Moon
| | Cpk's on top flight ovens (e.g., Conceptronics, Heller, Electrovert, Vitronics) vary wildly, from 1 to 2+, between different supplers. The suppliers don't seem to understand Cpk's. A supplier's rep whose oven has a Cpk of 1.0 told me: | | 1. C
Electronics Forum | Tue Feb 19 10:09:48 EST 2002 | caldon
I always look at the support structure. This is where I feel the real Dollars and cents come into play. Sure you can calculate the derated value over months or years. But If your machine is in a "machine down" situation the derated value does not cha
Electronics Forum | Mon Feb 25 21:13:12 EST 2002 | davef
No, none of us can tell you what is the acceptable level of halide content or contamination in flux residue. The level of harmful residues on your product helps determine the reliability of your product. We know nothing of your product, its custome
Electronics Forum | Fri Dec 06 12:24:03 EST 2002 | Mike Konrad
Military and most commercial standards requires post-soldered boards to measure less than 10 �g/in of NaCl (14 when using an Omegameter, 20 on a Ionagraph, and 37 on a Zero-Ion). As Dave stated, 6.5 �g/in of NaCl is called out in Mil-P-55110 for ba
Electronics Forum | Wed Jul 02 13:26:50 EDT 2003 | Terry Saunders
Hi, Terry!� Espi on our staff passed on your request to me.� I have attached a list of companies that offer previously used equipment.� You may want to try one of them.� You can also post this question on our Web site at http://www.smta.org.� Click o
Electronics Forum | Wed Sep 15 14:06:40 EDT 2004 | frankR.
Hi Rick, Last year I've test about 15 different solder paste. To procede, I've started with different tests listed in different brochure including IPC. At the biginning, I had 15 different tests to do and at the end ( for the last 7 product ) I've
Electronics Forum | Fri May 27 14:15:21 EDT 2005 | ve7khz
Hi Folks, Starting a second SMT line this year and it's been (too) long since I have looked at newish machines and I am in need of some assistance with P&P machine selection. Here is what we currently have: Panasonic CM-202 chip shooter 216 8mm reel
Electronics Forum | Sun May 29 17:36:11 EDT 2005 | MikeaJ
Dear JMT, I have read your reply, and you have one small valid point. There are times when you should call Technical Support. It is not for us to judge when each individual calls upon that resource, allow me to note a few points: 1. You can't always
Electronics Forum | Sun Mar 12 01:58:44 EST 2006 | grantp
Hi, We have been soldering lead free BGA's onto products with lead based paste, and we have had no increase in defects at all. We have used a standard lead paste profile, so we are not altering the temps anything from what's recommended by the paste
Electronics Forum | Mon Mar 13 14:26:45 EST 2006 | Wave Master Larry
Well, im not sure what plane you guys are on, but I can back up my what im talking about. Ya see I wnet to Soltec traingin back in 1995 for our new wave. I got a diploma proofing that I know what i'm talking about. no one else in my company has on
