Electronics Forum | Fri Jul 20 08:09:09 EDT 2007 | chrispy1963
In passives I dont know if anything changed at all other than the terminal plating. As for Active components there has been much engineering done to allow for the extra heat needed to liquify say SAC305 or other lead free pastes without damage to th
Electronics Forum | Mon Jul 16 10:44:29 EDT 2007 | Jacky
Hi All, Recently, we encountered strange defect at our SMT line. We can see solder ball spatter around at one of the component pad. This lead to insufficient solder defect at 1 side of the component. The other side of the component look good(Meet
Electronics Forum | Mon Aug 13 05:39:31 EDT 2007 | saaitk
I am building a double sided SMT board. On the first side I have a 405 ball BGA. When we build and run the second side through our reflow oven on about 25% of the boards run the 405 ball BGA on the underside of the board has fallen off. About 80% of
Electronics Forum | Mon Aug 27 12:42:47 EDT 2007 | rgduval
I know this is a little outside of SMT production, but, I'm hoping someone out there can help me with a small issue. I have a product that I'm building that requires 4 .250" wires, with .125" strip on each end. I solder one end to the board, and on
Electronics Forum | Thu Sep 06 22:01:21 EDT 2007 | syedsmt
Hi! I am Syed from Hitachi located in Malaysia.It seems that the discussion about OSP is very much related to the dillema that I am facing in my company.I am the Senior Executive for the SMT Department at Hitachi.Currently we are facing some issues w
Electronics Forum | Mon Sep 10 11:12:25 EDT 2007 | davef
Cover tape extender suppliers are: * QTEK Cover Tape Extenders [qtek.com/splicekit.asp] * Smart Splice [smartsplice.com] * SMD Gurteinf�delhilfe [smtservice.com/content/view/23/58/] SMD Gurteinf�dler * Steierform 87-12503 [steier.de/eng/fenster.php?G
Electronics Forum | Mon Sep 17 09:25:56 EDT 2007 | davef
Suppliers are: * Asymtek; 2762 Loker Ave West, Carlsbad, CA 92010; 800-279-6835 760-431-1919 F760-431-2678 asymtek.com * Ultrasonic Systems; 135 Ward Hill Ave, Haverhill, MA 01835; 978-521-0095 F978-521-7023 ultraspray.com sales@ultraspray.com Stepha
Electronics Forum | Tue Nov 20 20:26:54 EST 2007 | davef
Peter: The above link to the the picture of the assembly is broken. Comments are: * Yes, RTV is completely useless for applications like you describe. Epoxy is a much better choice. * Dave G, in an archived thread on SMTnet, talks about using 3M Jet
Electronics Forum | Thu Dec 06 08:57:32 EST 2007 | davef
With this small amount of background information on the situation, comments are: * If you let adhesive cure on your stencil, you should not be using Zestron 301. A hammer and chisel is more effective. * Assuming you are not letting the adhesive cure,
Electronics Forum | Mon Dec 17 19:18:53 EST 2007 | bbarton
OH MY GOD!! Finally it's becoming public knowledge here on the streets. YES germanium is in this material. As much as these guys and ALPHA METALS wanted to keep these things secret, anyone with a halfway competent lab would quicky find out why all of
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