Electronics Forum | Tue Dec 14 09:32:59 EST 2004 | patrickbruneel
Hi Paul, One thing I can tell you for sure "lead free" is not going to solve your problem, because spectrum analysis have shown that dendrites at there final stage always consists of pure tin. The higher the tin content the higher the risk for dead
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
Electronics Forum | Wed Jun 18 13:08:52 EDT 2008 | sleech
Dave: You are spot-on right! The major hurdle is that 70 degrees C is below the boiling temperature of water. Only a near zero relative hudity chamber will cause the ingested moisture to migrate from a package. There is one facet of the 70 degree p
Electronics Forum | Wed Jul 15 12:53:07 EDT 2009 | rwyman
Cabinets that utilize nitrogen or desiccator units are available that will accomodate the feeder so the parts don't need to be removed. Simply put the feeders into the cabinet at nite and remove them in the morning. Dr. Storage is one. A Google se
Electronics Forum | Mon Jun 26 20:34:14 EDT 2000 | Dave F
Gary: Allow expand on this topic a bit. Back in the gray skied past when people wore calculators on their belts, rather than pagers n Palms, and didn�t drink California spill, they used HASS that you mentioned and HALT (Highly Accelerated Life Test
Electronics Forum | Mon Apr 06 12:32:20 EDT 1998 | Roxanne Picou
March 31, 1998-Austin, TX --- Austin American Technology announces a new Pre-Wash feature for the Mega� II to operate in conjunction with AAT's patented closed-loop regenerative cleaning process. This feature allows for an optional dual chemistry
Electronics Forum | Wed May 14 10:20:37 EDT 2014 | julianf
Hello all! For my mechanical engineering study I want to etch a strain gauge in the Wheatstone bridge configuration in a copper layer of an PCB. The goal is to measure the strain occurring in an PCB even during the press process! We can measure with
Electronics Forum | Fri Jan 15 17:13:07 EST 1999 | Earl Moon
| | | | Hello, | | | | | | | | We are qualifying new sources of PWB vendors. We've got the first lot of "produciton" boards in and we want to put them through the paces before turing the vendors on. | | | | | | | | So far, the tests I can think of
Electronics Forum | Mon Jul 17 13:37:35 EDT 2006 | carln
Here is something I copied from Circuitnet.com. This appears to answer your question and then some... http://www.circuitnet.com/experts/ Ask the Experts Jul 17, 2006 What type of cleaner method is preferred for lead-free stencils? What type of s
Electronics Forum | Wed Jun 11 16:30:33 EDT 2003 | T.Vick
You have received some great feedback so far. I would like to summarize and add a few points regarding maintenance. You should start (as recommended already) by verifying your component library data. Using the default values from the master library i
