Electronics Forum: /02 (Page 659 of 1283)

Re: Adhesive Stencils

Electronics Forum | Tue Jul 11 10:28:02 EDT 2000 | John Thorup

Dave, George I think we're missing something here, or at least I am. While the plastic in question could possibly be dissipative or non generating, I'm wondering how thick such a stencil would be to clear even the lowest profile PTH component? Can w

Re: Gerber editing package

Electronics Forum | Mon Jul 10 20:59:02 EDT 2000 | Dave F

Try: View Mate (View only) - http://www.lavenir.com CamCAD (View only) - http://www.camcad.com GC-Prevue (View only) - http://www.graphicode.com PC Gerber II (View & limited data size editing) - http://www.ecam.com/us_home.htm While I've posted "vi

SMT adhesive recomendation

Electronics Forum | Thu Jul 06 02:08:27 EDT 2000 | Ralph Landry

I need to build a couple of prototype SMT boards and need some recomendations on some adhesive or epoxy to use to hold the parts down prior to hot air soldering. I find that some parts want to skip across the board when heated, or they want to walk

Re: Info on Universal Instruments?

Electronics Forum | Thu Jun 08 20:02:24 EDT 2000 | Dreamsniper

We have GSM1 model 1995. It's very stable. About their chip shooters, Robert Bosch here in Australia just bought 2 more chip shooters from Universal Instruments. And they already have 8 of those. Looks like it's quite okay. I just read that news abt

smt, rf4

Electronics Forum | Tue May 30 10:18:02 EDT 2000 | moran givon

since I'm new to the subject of printed circuits, I wonder wether some one can explain some fundamental subjects to me: 1. What is FR4? 2. What is SMT? 3. The technology of multi layer printed circuits? 4. What is "Blind and buried vias"? 5. What is

Re: UniCam Forum

Electronics Forum | Mon May 15 18:06:02 EDT 2000 | Micah Newcomb

Mark, I am not aware of any forum dedicated soley to Unicam, but as Jax said this forum is about as good as any. I am sure there are many Smtneters that use Unicam daily, myself included. We use Unidoc for documentation and we also utilize Fuj

Re: Where's Earl Moon ?

Electronics Forum | Wed May 17 13:45:02 EDT 2000 | Steve Thomas

Hey, everybody, I'm Bobby Brown, the cutest little........ But seriously, Earl, I'm sorry you're finding the forums are no longer a resource you can utilize, but for the rest of us that are just getting their feet wet in this biz, it's still providi

The bent ones.......

Electronics Forum | Tue May 02 16:33:18 EDT 2000 | Joe

hi, I am looking for some guidelines which can tell me when gullwing and finepitch leads are too damamged to repair. Copper gets hard when bent and the electrical resistance increases. When a finepitch component gets dropped a lot of pins need staig

Intermetallics and reflow profile

Electronics Forum | Tue May 02 15:29:14 EDT 2000 | M. F. Roe

I am looking for public papers or articles on intermetallic formation as a function of reflow profile. Most solder paste vendors specify peak temperature and time above liquidus, but I am particularly interested in what happens to intermetallic grow

Re: Quad optimizer

Electronics Forum | Tue May 02 13:14:08 EDT 2000 | Bob Paniaha

Angelo, I have a few questions for you? 1. What version of software are you using? 2. Do you remove the tape feeders from the base before optimizing in the software? This must be done or it will leave the feeders where they were, which will degrade t


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