Electronics Forum | Tue Jan 04 21:32:49 EST 2005 | davef
We've had several conversations about that here on SMTnet. Search the fine SMTnet Archives. For instance: http://www.smtnet.com/forums/Index.cfm?CFApp=1&Message_ID=30307
Electronics Forum | Tue Apr 25 22:32:51 EDT 2006 | davef
We've talked about this previously on SMTnet. Search the fine SMTnet Archives. For instance: http://www.smtnet.com/forums/Index.cfm?CFApp=1&Message_ID=17463
Electronics Forum | Mon Oct 02 20:17:38 EDT 2006 | davef
The different coefficient of expansion of materials used in some BGA can cause warping issues. We've talked about this previously on SMTnet. Search the fine SMTnet Archives. For instance: http://www.smtnet.com/forums/Index.cfm?CFApp=1&Message_ID=2
Electronics Forum | Fri Dec 08 17:56:36 EST 2000 | Dave f
Check the fine SMTnet Archives. Some people have a difficult time using the fine Archives, if so, email me and I'll try to help further.
Electronics Forum | Thu Feb 25 17:47:11 EST 2010 | davef
We agree with CL in the above posting. We talked about this previously here on SMTnet. Search the fine SMTnet Archives to find threads like: http://www.smtnet.com/Forums/Index.cfm?CFApp=1&Message_ID=28992
Electronics Forum | Sat Dec 15 10:01:59 EST 2001 | davef
USE OF XRAY Xray is not used for testing BGA. Xray is an inspection tool, similar to a microscope. Check the fine SMTnet OnBoard Forum. Gil Zwieg from Glennbrook made some good points. Additionally, search the fine SMTnet Archives, where there�s
Electronics Forum | Tue Dec 17 18:16:18 EST 2002 | davef
Square apertures can have a larger area within the same space than a round aperture. You can buy IPC 7525 from IPC. The theory you are missing has to do with: * Aspect ratio * Area ratio Search the fine SMTnet Archives for background on these rati
Electronics Forum | Mon Jan 07 20:35:55 EST 2002 | davef
Reprogram the machine NO => Search the fine SMTnet Archives, for instance: http://www.smtnet.com//forums/index.cfm?fuseaction=view_thread&CFApp=1&Thread_ID=2952&#Message12049&
Electronics Forum | Wed Aug 27 21:22:44 EDT 2008 | davef
While you're waiting for others to reply, here are a couple of previous postings from the fine SMTnet Archives: * http://www.smtnet.com/forums/Index.cfm?CFApp=1&Message_ID=45013 * http://www.smtnet.com/forums/Index.cfm?CFApp=1&Message_ID=50312
Electronics Forum | Tue Jun 30 08:17:53 EDT 2009 | davef
How do you specify HASL to your fabricator? We talked about issues with HASL previously here on SMTnet. Search the fine SMTnet Archives to find them. Here is a GREAT article on HASL written by an old friend Earl Moon: http://www.smtnet.com/express/1
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