Electronics Forum | Thu Jul 27 21:57:16 EDT 2000 | Dave F
Hi Doug: Responding to your questions: � If gold over nickel is self limiting ... You didn�t say whether you gold plating was electroless or immersion. Electroless is not is self limiting. It can plate up to 5 thou. Expect immersion plated gold to
Electronics Forum | Tue Jul 18 20:10:09 EDT 2000 | Dave F
Hey Bud: Thanks for the response the other day. We currently use "Jeff�s Method #2: The Drummel Tool." Short answer to your brother is ... yes, probably. Expanding a bit: � It would be surprising not to use a flux to help reflow the solder balls
Electronics Forum | Fri Jun 06 07:37:38 EDT 2003 | mattiasw
Hi! I just wanted to shortly share my experience with AOI machines. We have a VisionPoint from Diagnosys (Same software as in the Photon dynamics machines) and the machine is doing it�s job really good actually...BUT! The machine building quality is
Electronics Forum | Tue Jul 11 15:59:52 EDT 2000 | JohnW
George, I looked at the winkic & profit software and tool's a while ago along with some of the alternatives. No matter what anyone tell's you in the 1st instance you do still need a profile card as what you are doing is comparing the known good prof
Electronics Forum | Thu Jun 22 11:42:29 EDT 2000 | Chrys Shea
Sal, Silly question: Were the parts skewed before they went into the oven? I've chased down a few similar reflow problems in my lifetime, only to find out it was a pick and place problem. Wrong nozzle size, bad nozzle, feeder not advancing all
Electronics Forum | Thu Jun 15 21:51:17 EDT 2000 | Dave F
Jeff: You're correct �7.1.3 of ANSI J-STD-001C states " Drying / Degreasing states the assembly may be treated to remove moisture and other volitiles." We don't bake "FR4" for love nor money. The archive are littered with threads along this line.
Electronics Forum | Thu May 18 22:00:38 EDT 2000 | Dean
...ahh....memory lane. 10 years ago I worked on a project for a customer who needed a low cost, high volume board for RFID tags for cows (yes, moo). These boards were 0.50 inch in diameter, 50 per panel, double sided SMT punch style fabs. 300,000 b
Electronics Forum | Wed May 17 14:55:17 EDT 2000 | Earl Moon
OK folks, enough. Thanks for a reality check - though a bit Zappa, Waylon, or whatever like in the year 2000 but who's counting - Wayne? (good to see from you again concerning such a vital topic). The real question should be: Where'd you go? You done
Electronics Forum | Mon Apr 17 18:42:32 EDT 2000 | Russ
Murad, I have just completed a switch over in our facility to no-clean. We used Alpha 609 and 857 paste and wave flux respectively. We currently use Alpha UP78 paste, NR330 wave flux, NR205 liquid flux for touchup and cleanline 7000 wire solder as
Electronics Forum | Wed Apr 12 20:41:31 EDT 2000 | Dave F
Russ: That�s a pretty stand-up postin� bud. It�s neat that you can root-out that dirt. We couldn�t dig-up that stuff, if they threatened to shoot the dog. You could be correct about using convex for waving. We don�t wave RNET as Philips suggests
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