Electronics Forum | Sat Dec 20 23:13:14 EST 2003 | Dean
Hi Tommy. A clean printer has always been a hot button with me as-well. Solder paste is like a can of paint. As soon as you open it up you will get it on all the things you wanted to preserve as clean. The cleanliness and condition of your sten
Electronics Forum | Thu Jan 08 16:43:43 EST 2004 | Dean
Unless your machine (internal) thermocouples are each calibrated and compensated no two machines will deliver eactly the same results. Here are your challenges: 1. Data acquisition equipment A-D converter errors 2. PCB measurement thermocouple (t
Electronics Forum | Tue Apr 13 22:48:11 EDT 2004 | Ken
I assumed the balls were tin/silver 221C or tin/silver/copper 218C liquiduous....but, this is obviously not the case. It looks like you balls are almost pure tin (mp=238C) You are correct. This is exactly the same as using 10/90 high temp balls o
Electronics Forum | Tue Jun 08 09:58:12 EDT 2004 | Specious
Have Thoughts on Unfair Trade? If you do, then now is the time to speak up. In another Commerce Department announcement, made May 27, the newly created Unfair Trade Practices Task Force is accepting public comments. Comments should identify unfair t
Electronics Forum | Thu Sep 09 04:51:19 EDT 2004 | Simon UK
65%), if one failed on the board i replaced all of them, and re-tested and thermally cycled them inline with our spec (-55/+80 Deg/C for 48hrs) this was a nightmare, especially when some cracks were not detected until several weeks later while flying
Electronics Forum | Tue Oct 12 11:32:22 EDT 2004 | fastek
Stefen- When looking at it from your perspective only it makes no sense to off-shore. The machines and operators are but a small part that goes into the decision to move overseas. The bigger picture is the fact the "entire" operation gets outsourced.
Electronics Forum | Wed Jan 12 06:04:58 EST 2005 | rlackey
Hi Patrick, I see what you're all are saying, and can understand how you come to that conclusion, however I would disagree with the protectionism arguement. Most of the electronics assemblies in Europe come in from China, Taiwan, Malaysia etc, (T
Electronics Forum | Thu Mar 03 16:41:11 EST 2005 | davef
According to an on-line posting ... SMTA On-line Presentation Comparing Industry Standard Revisions March 9: IPC-A-610 with Regards to Lead-free Technology There have been extensive and significant changes to the industry standard IPC-A-610 with th
Electronics Forum | Fri Jun 10 10:49:06 EDT 2005 | jbrower
Hi James, As my companys process/manufacturing engineer, I set up a program that dramaticly reduced machine down time. Some base numbers; we went from an average of 4-6 hrs set up on our Mydata to setups of under 15 minutes on average and some belo
Electronics Forum | Mon Jun 27 09:09:19 EDT 2005 | Bob R.
We've all been soldering Pb free parts for a couple decades. All your surface mount capacitors have probably had a Sn finish for years. Whenever one of our parts with a SnPb finish converts for Pb free we have the manufacturing site do a small buil
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