Electronics Forum | Tue Jan 04 12:37:41 EST 2005 | Cmiller
We have been using this finish almost exclusively for fine pitch boards for about 5 years. Make SURE you use a board house that does the gold plating in-house. There are some potential issues as DaveF stated. The only problem we have encountered is w
Electronics Forum | Wed May 14 12:42:16 EDT 2008 | rgduval
Dave, Realized I didn't respond to one of your questions. We pasted and reflowed one board, with no components. This board exhibited extreme dewetting on all pads. The board was LF-HASL, and the paste was Qualitek (which we've used for approximat
Electronics Forum | Mon May 21 04:30:17 EDT 2012 | adetuc65
Hi, I need some advice. What should I look at when buying a new X-Ray machine for off line BGA inspection? Should I concentrate on spot size?, Sensor resolution ? I need 130-160Kv and 70 degree Tilt axis board size about 30cm x 30cm Any suggestions
Electronics Forum | Thu Jan 23 11:46:37 EST 2003 | gregp
Hi Brad, A couple of observations: 1. You are new to SMT. 2. Your requirements can be met by a variety of low end SMT equipment. Regarding point 1, you will be better off buying a machine from the manufacturer unless you hire someone with all around
Electronics Forum | Mon Sep 25 17:42:40 EDT 2000 | Steve Thomas
Back in October a post went up re: the fact that a solder manufacturer quit recycling paste, and the responses then weren't encouraging, so I'm gonna stir it up again. I haven't figured out what we're going to do with ours yet and it's piling up. N
Electronics Forum | Wed Mar 01 17:29:30 EST 2000 | Eldon Sanders
Thanks Dave for your reply. I have found a supplier that can cut it, but I am trying to save the tooling cost and the minimum purchase dollar ammount imposed by the supplier. If an off the shelf item existed I could buy what I wanted when I wanted.
Electronics Forum | Wed Mar 01 17:29:30 EST 2000 | Eldon Sanders
Thanks Dave for your reply. I have found a supplier that can cut it, but I am trying to save the tooling cost and the minimum purchase dollar ammount imposed by the supplier. If an off the shelf item existed I could buy what I wanted when I wanted.
Electronics Forum | Tue Jan 12 14:19:23 EST 2010 | deltaservices
Hello Andrew, For programming a single Topaz or Emerald you need only the Cad2cad 1.5 (Freeware) With this program you can generate a VIOS.TXT file based on your position data. You import this in the machine and add your component and Fiducial d
Electronics Forum | Wed Dec 12 12:08:30 EST 2007 | realchunks
Yes, you can ask for scrap boards, buy Dummy boards/parts or engineer off past runs. For this cost, I would profile, profile, profile. I would make/buy a dummy board. If you don't have one this thick, glue/ adhesive/ bolt some scrap boards togeth
Electronics Forum | Tue Feb 26 11:31:38 EST 2013 | stephendo
Do you have any components that don't come off the machine? It sounds like you work for an OEM, not a CM. I used to work for an OEM with similiar changeover numbers as you. I had them make a list of very common parts that never came off the machine.
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