Electronics Forum | Fri Feb 19 12:58:33 EST 2010 | patrickbruneel
Loco, If after reading these articles you still don’t believe Toyota went lead free let me know. Toyota developed their own lead free alloy http://sciencelinks.jp/j-east/article/200016/000020001600A0589899.php Quote” Several engineers are readyin
Electronics Forum | Mon Mar 01 10:36:55 EST 2010 | patrickbruneel
Loco, Since Dave didn't respond i will. We shouldn't forget that even when using tin/lead solder the boards and components are still lead free. Parts that are not completely wetted by the tin/lead solder still have the potential for tin whiskering a
Electronics Forum | Thu Mar 11 02:56:01 EST 2010 | grahamcooper22
Hi, blow holes / pin holes / holes in joints are usually a sign that there is excess moisture somewhere around the solder joint. Moisture can be in pcbs / components, so try drying them....a simple thing to do is pass a bare pcb throught your reflow
Electronics Forum | Tue Mar 23 15:46:28 EDT 2010 | pilusa
The AIM flux is for the process and not for the tip tinning. The flux I was referring to is what is used to keep the tip wetted which was one of your original problems. Regarding the process, in my experience the AIM flux is not very active and there
Electronics Forum | Mon Apr 19 10:52:05 EDT 2010 | esca
Hi, if you want to verify the gold contamination, is mandatory to use the XPS and FTIR analysis, but is difficult think about a gold contamination from 3 different manufacturers. Do you have cleaned the PCBs after an erroneous screen process ? If no
Electronics Forum | Wed Apr 21 17:50:04 EDT 2010 | joeherz
Does it have to be one for both 1D and 2D? We > scan barcodes we print with a 200 DPI printer > which works out to 5 mil wide lines with no > problem. 2D barcodes need a completely different > kind of scanner. > > I know there are scanners > th
Electronics Forum | Mon May 03 16:39:44 EDT 2010 | jlawson
Thanks Larry We are loooking a bigger Vapor > machine which could soldered our big size > borad(600x600 mm)assembled with hundreds of > sockets and thousands of components. How about > IBL products? Anyone used before? You should also look at
Electronics Forum | Tue May 11 08:21:16 EDT 2010 | nrw
Hello, I am in the process of setting up processes for a low volume SMT line for internal prototype production, where a 500g jar of solder paste would last weeks. Our distributors only seem to want to supply 500g jars (anything else is significantl
Electronics Forum | Wed May 19 17:43:25 EDT 2010 | pforister
Hello, I'm having problems with voiding on an assembly that has a GPS hybrid with balls much like a BGA. This is a RoHS assembly using no-clean solder (Kester EM907). The voids are at or above 25%. I use an 8 zone oven where I peak in zone 7 and
Electronics Forum | Fri Jun 18 05:36:55 EDT 2010 | elsey1987
Dear all friends, our company want to import JUKI SMT pick&placement machine to China,However, I really did not understand two recent clients,When I say their prices are higher,one of them replied to me:all of your first replies are always the same.
