Electronics Forum | Fri Oct 20 14:13:32 EDT 2000 | DENNIS XIONG
Dear all, We have a PCB design mistake that causes exposed copper layers on the edges of breakaway locations. Although we fixed the design, but we already made a lot of boards plus many made before we found the problem. I wonder if any one have some
Electronics Forum | Thu Oct 26 10:32:14 EDT 2000 | CAL
We currently use a tool that we have developed and sell that can provide real time feed back on OSP coatings. With OSP it is a case by case basis on how many times you can reflow or apply heat before it becomes detrimental. Also, Depending on your pr
Electronics Forum | Wed Oct 11 12:52:10 EDT 2000 | Antonio A. Medina
Hello all, I'm new at this so forgive me if my question seems common knowledge to everyone else. I've searched the archives but found no clear answer to what exactly is aspect ratio and what the best ratio is. All I really know is that it has to d
Electronics Forum | Wed Sep 27 18:13:58 EDT 2000 | Steve Thomas
That sounds like a nightmare, but creative, definately. I do know I don't want to chisel all 4 pails into chunks small enough for a syringe, though. Actually I found someone that will take it if we sell them our dross. Problem solved. Our bar vend
Electronics Forum | Thu Sep 21 20:29:54 EDT 2000 | Dave F
Tanx Beyond keeping one in hot water, I found that this subtile approachs virually assures that you don't get promoted to the point that you get an opportunity to ruffle the feathers of the pimadonnas. Musta breathed too much flux fumes!!! Don't
Electronics Forum | Tue Sep 12 09:47:06 EDT 2000 | Firestarter
Hello there I'm a student from austria and tried to find some technical information of Sanyo SMT machines. But I've been trying everywhere and in the end I've found this forum. I would be especially interrested in the TCM3600 , TCM3000 and the TIM500
Electronics Forum | Thu Aug 10 03:17:29 EDT 2000 | JohnW
Simon, when it comes to soldering those lovly little PCb's why not read Soldering in Electronics by R.J. Klien Wassink (electrochemical publications). Dave F found this to be a real hit in Jimbo's! ( I on the other hand, never mastered some of the
Electronics Forum | Wed Jul 26 10:06:19 EDT 2000 | Doug Philbrick
I have read many of the past threads on both topics and I still am not convinced I know the answer to the soldering problem we are encountering. I am hopping someone can help. I have a dense SMT board we are building and have been building for some
Electronics Forum | Wed Jul 19 01:20:17 EDT 2000 | Craig
Does anyone have any experience wave soldering TQFPs. Our R&D is wanting us to do this but we (production) are hesitant. I've found some recommended pad designs and solder theiving designs in a Philips app note "SMD Mounting Methods". The theory look
Electronics Forum | Wed Jul 12 16:33:39 EDT 2000 | Mark Charlton
We just went through a difficult time processing SMT immersion white tins PCA's and found the following: 1. FAB vendor had a degraded tin solution resulting in improper plating thickness 2. FAB vendor was not using the proper cleaning process Get
