Electronics Forum: contains (Page 66 of 83)

Opinions about AOI Machines

Electronics Forum | Mon Feb 13 14:34:31 EST 2006 | pjc

The best way to compare is ask each machine company to bring their machine in for a demo. Since they are bench-top machines, they are easy to transport. Pick one of your boards for them to run. Don't send any board data ahead of time. When they come

Stencil and board Ultrasonic cleaner

Electronics Forum | Wed Feb 01 12:20:16 EST 2006 | cvoyles

Hi Bruno, I am an equipment reseller in business since 1994. I have a Smart Sonic MG3000 ultra sonic stencil cleaner in inventory. It is a stainless steel model with Delta Sonics brand ultra sonic generator. It is the guillotine type that raises a

Question about leaded parts used in leadfree soldering process

Electronics Forum | Fri Apr 07 11:19:55 EDT 2006 | muse95

Technically speaking, most likely yes it will work, unless possibly it is a BGA. There are issues surrounding BGA's. Here are some of the general issues: On any type of component, if the Pbfree solder you are using contains bismuth, then the Pb in

Oxygen Analyzer for Wave Inerting

Electronics Forum | Thu Aug 03 19:34:17 EDT 2006 | davef

You might consider an oxygen monitor (or lack of oxygen monitor). A fast response-rate analyzer should be used. There are several types of analyzers on the market and each has different limitations. * If you are looking for a measurement ranging fr

Plating Rework

Electronics Forum | Tue Dec 26 22:18:20 EST 2006 | davef

Common methods to replate components are: * Barrel plating http://www.finishing.com/Library/zemo/barrel.html * Hot solder dipping - MIL-F-14072 M258 Certainly you can do this yourself by dipping the component leads into a solder pot containing lead

Reflow soldering issues

Electronics Forum | Mon Feb 12 11:13:12 EST 2007 | davef

Q1. If I go to the Pb-free solder paste, is it necessary that I have to change my reflow oven OR just by changing with respect to solder paste specification, I can reach my goal? A1. It depends on your current oven. Some ovens can meet the higher t

DI water testing?

Electronics Forum | Sat Aug 25 00:26:22 EDT 2007 | aqueous

Dave, First of all, distilled water is not DI water. It is not the same thing. If you require DI water, you should know what quality is expected for your application. For example, for defluxing applications, generally DI water quality exceeding

MPM AP/A Problem

Electronics Forum | Mon Oct 08 15:41:33 EDT 2007 | bbarton

Worked for MPM for many years, and this sounds like a fairly common problem which is easy to fix if you can answer a few questions, several of them already asked... 1. Is this happening only on this board (if the answer is yes, this is a good thing!

Resonator Cracking

Electronics Forum | Fri Nov 16 08:47:04 EST 2007 | rgduval

Fractured parts that we've seen at reflow in the past are related to trapped moisture in the part, out-gassing at temp, and fracturing the part. I have seen this on ceramic resonators in the past; don't know why this type of part seems prone to this

SMT BGA capable oven and stencil printer.

Electronics Forum | Tue Nov 20 17:07:20 EST 2007 | kennyrebbe

I am looking for a new semi automatic Stencil printer, and reflow oven that is capable of doing double sided boards with BGA�s. We currently own a Manncorp 4500R stencil printer https://www.manncorp.com/4x00_stencil_printers/index.php?view=overview&a


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