Electronics Forum: smt conditions (Page 9 of 18)

Cleaning Machine and Chemistry

Electronics Forum | Mon Feb 19 11:36:39 EST 2001 | billschreiber

Hello Mark, I wish it were that simple so I could direct you to a particular manufacturer and stencil cleaner model. Unfortunately, there are several issues complicating the process of cleaning all these applications in one machine. First and fore

Re: Defects Definition

Electronics Forum | Mon Feb 07 19:49:50 EST 2000 | Tony Di Mauro

Jose, I have seen this defect before. We called it re-reflow. We found the part was originally attached at SMT. Later on after seeing a heat cycle at the wave machine the leads would de-attach causing an open at In-Circuit Test. Resolution was t

Re: 8 years old parts. how it could be...

Electronics Forum | Thu Sep 16 05:37:18 EDT 1999 | Earl Moon

| Can you imagine that there is a smt process using the a few chip and ic are nearly about 4,5,6,8 years old. | Antigues?? | what should you do If you are an engineer of smt process in that company. | | | | thank in advance. | | I'm s

What Does This Thread Express Newsletter Have To Do With SMT?

Electronics Forum | Sun Feb 08 18:03:26 EST 2009 | davef

Roland What does this thread in the current issue of SMTnet Express newsletter have to do with SMT? Coating Drug-eluting Arterial Stents Using Ultrasonic Spray Nozzles One proven method used to treat clogged arteries employs tubular, mesh-like met

Blow Holes voids in solder fillet on caps

Electronics Forum | Thu Jun 28 17:05:46 EDT 2012 | davef

Here’s what we seem to know: * There’s a problem with voiding in the solder connections of SMT capacitors * A void is an open area caused by air or process fluid that is trapped within a solder connection * Voids are an allowable condition as long as

floor and air conditioning, shop floor requirements

Electronics Forum | Tue Apr 30 05:05:16 EDT 2013 | pavel_murtishev

Colleagues, Now I am involved into plant ramp-up where 3x Panaconic NPM-W will be installed. New production hall is being designed right now and the problem is that constructors have never met SMT shops and know very few or next to nothing about requ

Reflow oven recommendation

Electronics Forum | Fri Nov 12 13:07:45 EST 2010 | G8reflow

Hi, The focal point of my research has been to recommend a reflow oven and develop a process for a small to low-medium production SMT soldering with the following considerations. - Lead-Free - Low to low-medium production - Forced Convection reflow

Inline Aqueous Wash for WS and RMA fluxes

Electronics Forum | Fri Dec 08 21:26:44 EST 2006 | billwestiet

You already have some good answers. A chemical isolation zone for RMA is a good idea. If you are looking for new see the two references you have and Austin America. If you are looking for used, see us at http://www.ietechnology.net. We presently

SMT tact time

Electronics Forum | Wed Aug 25 19:35:48 EDT 2004 | russ

This is highly dependent upon your board, vision inspection, part rotation, part type, layout, number of P/Ns per (1 pers or 100 pers) feeder layout, optimization, nozzle changes, etc... all have significant impact on placement speed. I find if you

Re: 0201Technology

Electronics Forum | Fri May 12 04:46:32 EDT 2000 | Wolfgang Busko

There�s obviously still a lot of work to be done to get those "beasts" on the board. I wonder if anybody has solved the problems already and is able to say "we do it and it�s working well under the following conditions". I read the article in the las


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