Electronics Forum: process window (Page 1 of 27)

Re: How wide is the window for the good pasteprint:

Electronics Forum | Thu Oct 26 08:48:06 EDT 2000 | ptvianc

Of all of the process steps, paste printing is the most critical with respect to minimizing defects. Therefore, paste printing must be tightly controlled, particularly in the case of fine pitch (peripherally leaded) devices and BGAs. I believe that

Escalation process

Electronics Forum | Wed Oct 17 17:51:44 EDT 2001 | davef

This is a GREAT question!!!! Our process is similar, but our times are greater. Guess it's all dependant on the pressure on the pipe, eh? The faster money goes flying out the window, the less time there is for nicities.

How actually the process of Electrofoam Stencil?

Electronics Forum | Fri Jan 07 09:56:04 EST 2005 | davef

Electroformed stencil suppliers follow. The describe the stencil production process on their sites. * Aplpha Metals [ http://www.alphametals.com/products/ stencils/pdf/PG_Electroform_Stencils.pdf ] * Chepaume [ http://www.chepaume.com/electroforming

Same wave process do not apply to all finish board

Electronics Forum | Fri Oct 14 09:58:13 EDT 2005 | patrickbruneel

Here's what I believe is happening. The main difference between the HASL boards and the gold plated boards is that HASL boards are pre-soldered. HASL boards need very little flux activity to get good hole fill and the machine settings have a wide pro


Electronics Forum | Mon Oct 09 07:48:49 EDT 2017 | swetalatwal

What is the meaning of process window

Leaded and Lead-Free Wave Parameters

Electronics Forum | Wed May 21 08:16:57 EDT 2008 | tonyamenson

Good morning gentlemen, I could use some advise as to the min / max windows for the wave process. We have had little problems with our leaded wave but when applying the same process to lead-free wave we are having problems. Obvisouly the temps are


Electronics Forum | Tue Oct 10 13:30:20 EDT 2017 | charliedci

Here is a link to a reflow profile: http://www.aimsolder.com/sites/default/files/reflow_profile_supplement_-_lead-free_solder_paste.pdf Speaking specifically about solder reflow, the process window should be based on the solder paste you are using.

Damaged Components by Reflow Process (Process Window)

Electronics Forum | Wed Feb 04 16:21:51 EST 2009 | smtnet51

Hand solder it afterwards

Damaged Components by Reflow Process (Process Window)

Electronics Forum | Wed Feb 04 03:20:05 EST 2009 | smartasp

Hi All Reflow Gurus I have learnt that my process engineers do not consider the heat resistance, of the components when creating a reflow profile but rather try to stick to the paste recommendation. This has lead to a field recall as one component h

Lead Free Solder Paste Evaluation

Electronics Forum | Wed Apr 08 22:39:12 EDT 2009 | jandon

AIM has very narrow process window on their solder pastes...

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