Electronics Forum | Fri Jun 18 13:48:37 EDT 1999 | Earl Moon
| We currently use HASL on all of our boards and I would like to move to something else. I have sampled some boards with Entek OSP and I loved it, the problem is we have plated mounting holes on just about every board we make. Does anyone have info
Electronics Forum | Fri Jul 06 12:07:07 EDT 2001 | nwyatt
I have been researching lead-free paste for a while now and I will share with you what I can. Firstly, SnAgCu seems to be the common industry choice. It really depends on your application - the cell phone/pda sector is primarly using different comb
Electronics Forum | Thu Apr 16 13:50:49 EDT 1998 | Lou
| We are having some difficulty soldering a 240 pin Altera device. We use Alpha WS-609, a very generic profile for that solder paste, and a 6 mil stencil with laser cut apertures (1:1 ratio). This is a 20 mil pitch device (aperture size is 10 mils X
Electronics Forum | Thu Apr 16 13:47:36 EDT 1998 | Lou
| We are having some difficulty soldering a 240 pin Altera device. We use Alpha WS-609, a very generic profile for that solder paste, and a 6 mil stencil with laser cut apertures (1:1 ratio). This is a 20 mil pitch device (aperture size is 10 mils X
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 | 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
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
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