Electronics Forum | Thu May 20 19:11:48 EDT 1999 | Earl Moon
| | hello...can somebody help me regarding the POPCORN at Reflow. What is this POPCORN at reflow, what it looks like, its cause and corrective action if there is... | | | | your help is greatly appreciated...thanks | | | | omat marasigan | | | Deo
Electronics Forum | Fri May 21 15:40:58 EDT 1999 | JohnW
| | | hello...can somebody help me regarding the POPCORN at Reflow. What is this POPCORN at reflow, what it looks like, its cause and corrective action if there is... | | | | | | your help is greatly appreciated...thanks | | | | | | omat marasigan
Electronics Forum | Thu May 20 07:53:55 EDT 1999 | Chris Nuttall
| | We care currently running into problems during our plug via process: | | At the moment we plug prior to soldermask (LPISM) using epoxy resin - plugging takes place from the component side - however we are seeing solderballs after solder level.Thi
Electronics Forum | Fri Apr 30 09:32:42 EDT 1999 | Steve Gregory
| | |Hi all | | This Debate on lead free soldering is really hotting up here in Europe. From 2004 the use of lead in components and assemblies will be banned here. Also flame retardent halogens will be banned(FR4 etc). While we all agree that we hav
Electronics Forum | Sun Apr 25 04:34:09 EDT 1999 | Earl Moon
No this message isn't about my triumphant return. It's not even about that lady I wanted to run away with to Mehico (who were you again). It's about progress and some of you might be interested, or not. 1) For DEKheads, I submit we had two of Britai
Electronics Forum | Sun Apr 25 04:12:34 EDT 1999 | Earl Moon
| At Sanders (Military manufacturer), we have only started using plastic parts within the past few years. After being tasked with reviewing the new J-Std-033, it became obvious to me our process for controlling device exposure is weak. We build very
Electronics Forum | Mon Apr 19 17:27:48 EDT 1999 | Tuffty
I think the optional registration is a great idea, strange as this sound's some companies - mine being 1 are not happy about it's engineer's voicing thing's on forum's. Which is a bit backward to say the least scared in case we give the 'enemy' a han
Electronics Forum | Sun Apr 18 01:58:23 EDT 1999 | Steve Gregory
Just to further explain myself a bit, and why I hate being bombarded by advertisements, is because I think others (sales and marketing people) are trying to manipulate me. Why do I think that? Say if you have 5 pick and place salesmen, 1 from Fuj
Electronics Forum | Fri Mar 12 13:30:06 EST 1999 | Bill Schreiber
Dear Scott, You are correct in questioning the chemistry portion of the process. However, I am couriuous as to why you selected DEK as a stencil cleaner. The most important part of any cleaning process is always the chemistry. How you deliver the c
Electronics Forum | Fri Mar 12 13:40:53 EST 1999 | Bill schreiber
In a nutshell, you should be looking for a chemistry first, then look for a machine. Hopefully, they will be from the same source. | Dear Scott, | You are correct in questioning the chemistry portion of the process. However, I am couriuous as to w
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