Electronics Forum | Tue Nov 09 17:26:13 EST 1999 | Dave F
Horace: You weren't real specific about the set-up of the two machines. So what's the diff man?? Big dross generators are: 1 R Woodgate says that pump speed is the biggest driver to dross production 2 Chrys uses low dross cast bar: Alpha HiFlo 3
Electronics Forum | Sat Oct 09 03:26:58 EDT 1999 | Brian
| Always experiencing dross in pot with different characteristic such as color, shape, dry/wet etc. Any paper, wetsites provide the more comprehesive explanation on its characteristic | Dross is a mixture of various things. The obvious ones are met
Electronics Forum | Thu Jul 29 23:21:51 EDT 1999 | CH Lee
I received a request from customer to assemble ceramic substrate (alumina oxide)that printed with a low temperature Copper thick film conductor (the overglaze layer is polymer). The Copper pads are exposed without any coating. This ceramic substrate
Electronics Forum | Fri Oct 18 13:13:38 EDT 2002 | Matt
What size are the spheres? you could have them laser re-balled with no induced heat.
Electronics Forum | Fri Oct 18 16:25:41 EDT 2002 | russ
Matt, please tell me more! This sound interesting Russ
Electronics Forum | Wed Apr 09 11:23:02 EDT 2003 | davef
Nice pix. The pebbly texture that you're seeing is aptly called "orange peel". Temperature appears to significantly influence the appearance of solder spheres during soldering. Indeed, when the reflow temperature is high, tin continues smelting long
Electronics Forum | Thu Jul 17 12:51:46 EDT 2003 | James
Any suggestions on trying a paste with a stronger flux?
Electronics Forum | Wed Jan 28 14:57:56 EST 2004 | patrickbruneel
Dave Good luck with the root canal I just hope you are using Nitrous oxide instead of nitrogen.
Electronics Forum | Sun Feb 27 17:39:25 EST 2005 | pmdeuel
Dross is a combniation of oxides and lighter metals. It will float in all but very light density metals.
