Electronics Forum | Wed Jun 14 21:56:07 EDT 2006 | davef
Stencils should be cleaned frequently enough to ensure total removal of any bottom side residues, but not so infrequently as to allow the same residues to dry or cake on, making their removal much more difficult. Look here: http://www.smtnet.com//fo
Electronics Forum | Thu Sep 07 11:01:52 EDT 2006 | davef
BGA cracking is caused by mechanical stress. This may be the result of: * Rough handling of soldered board * Inadequate consideration during package design of CTE effects on BGA * Poor control of or selection of thermal ramp rates during soldering
Electronics Forum | Sun Sep 17 09:02:53 EDT 2006 | davef
Just as you will not find such a specification for SnPb solder, you will not find such a standard for SAC. We talked about solder strength several times previously here on SMTnet. Search the fine Archives for others comments. For instance: http://
Electronics Forum | Thu Nov 02 07:15:37 EST 2006 | Anisimov Sergey
We are producer of electronic blocks. We are use for capsulation our blocks silicone RTV627, but earlier we was using silicone CRTV-6405. We want find provider silicones CRTV-6405. In month we are use up 400-500 kilogram of silicones. Our firm locat
Electronics Forum | Fri Jan 19 16:12:20 EST 2007 | patrickbruneel
Ken, I like to take the opportunity with this thread to get something of my chest. I like the 2007 Ken a whole lot better then the 2004 Ken (at least if it�s the same Ken). Remember this thread? http://www.smtnet.com/forums/index.cfm?fuseaction=vie
Electronics Forum | Fri Dec 08 08:57:58 EST 2006 | MGC
Hello SMTnet, > > I would like to make a power > supply for Universal multi pitch feeders so I can > index them offline. How much voltage do I need to > get to what pins of the connector? Thanks. http://hoverdavis.com/Products/universal/mpup/uf
Electronics Forum | Mon Jan 29 16:54:44 EST 2007 | slthomas
Some NC gunk is somewhat prone to raising a ruckus with rf circuits. Here's a smattering of info. re: that. It's been discussed and is present in the archives in a number of threads. http://www.smtnet.com//forums/index.cfm?fuseaction=view_thread&CFA
Electronics Forum | Fri Feb 16 15:21:42 EST 2007 | ck_the_flip
CK, I'm also "CK", but have been C.K. since way back. See my old posting, from 1999: http://www.smtnet.com/Forums/index.cfm?fuseaction=view_thread&CFApp=1&Thread_ID=2819&#Message11498 Anyway, I now go by "CK the Flip" to avoid confusion to this f
Electronics Forum | Sat Mar 31 08:22:42 EDT 2007 | davef
Are you observing stencil design rules with regard to aspect and area ratios? For more: * IPC-7525 - Stencil Design Guidelines * A previous discussion http://www.smtnet.com/forums/Index.cfm?CFApp=1&Message_ID=24848 * Other postings on stencil ratio
Electronics Forum | Thu Apr 19 16:08:13 EDT 2007 | ck_the_flip
Fastek, where'd you get your statistic on #2? If you could, please send a link. -------------------------------- PS-I took out my 2 other posts because they were deragatory toward countries and schools. We don't want this forum to be a flame war
