Electronics Forum | Mon Jan 31 12:24:24 EST 2000 | Dave F
Robert: Several points: 1 Dross is a mixture of various things with no "fixed" composition: � The obvious things are metal oxides mixed with metal and this can vary in color with temperature and composition - remember some intermetallic oxides form
Electronics Forum | Tue Jun 08 17:52:53 EDT 1999 | Chrys Shea
| | | Hi,my master | | | How to iron out such soldering bridge with below conditions: | | | 1.The component(Harness)lead pitch is 2.0mm,the lead length is 3.2mm. | | | 2.PCB width is 1.6mm.Pad size is 1.65mm.Its a single copper PCB | | | 3.using s
Electronics Forum | Tue Apr 27 05:26:14 EDT 1999 | Charles Stringer
| | Hey MoonMan, | | | | Did I catch in one of your fabulous threads that you're using Tetra stencils? I'm anxious to find out how you're liking them. | | | | We we're all set up to go to Tetras, then mgt decided to close down our factory - Dooop!
Electronics Forum | Tue Apr 27 09:26:43 EDT 1999 | Chrys Shea
| | | Hey MoonMan, | | | | | | Did I catch in one of your fabulous threads that you're using Tetra stencils? I'm anxious to find out how you're liking them. | | | | | | We we're all set up to go to Tetras, then mgt decided to close down our factor
Electronics Forum | Fri Feb 19 16:45:55 EST 1999 | Steve Gregory
Hello Ryan! There's a company called Camalot that sells dispensers that in my opinion, make one of the better dispensers on the market. They use what's called a rotary-positive displacement pump when dispensing... much more precise and accurate
Electronics Forum | Sun Jan 31 22:55:33 EST 1999 | Dennis O'Donnell
| | Hello Netters, | | | | I need some info, Earl or Dave, I have a PCB that exhibits a white layer on solder side. It does not appear to be surface residues (IPA has no effect), but looks like its under solder mask. My first guess is that the LPI
Electronics Forum | Wed Feb 03 04:44:43 EST 1999 | Jeff Sanchez
| | | Hello Netters, | | | | | | I need some info, Earl or Dave, I have a PCB that exhibits a white layer on solder side. It does not appear to be surface residues (IPA has no effect), but looks like its under solder mask. My first guess is that t
Electronics Forum | Thu May 21 09:54:07 EDT 1998 | Justin Medernach
| I'm reviewing my board fab spec. It calls for a minimum SnPb thickness of 50 microinches on HASL PWB's. I've looked at other specs that call out anything from 30 to 80 microinches, and others that just say the copper pad must be covered and solde
Electronics Forum | Tue May 26 14:50:07 EDT 1998 | Dave F
| | I'm reviewing my board fab spec. It calls for a minimum SnPb thickness of 50 microinches on HASL PWB's. I've looked at other specs that call out anything from 30 to 80 microinches, and others that just say the copper pad must be covered and sol
Electronics Forum | Tue Apr 14 15:42:45 EDT 1998 | Scott Cook
| Scott, | I am not really in a position to answer this as fully as I would like because most military work with which I am familiar is subject to some degree of secrecy most especially on the internet. At least we have signed up to such restrictions
