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 | Thu Jul 02 15:23:15 EDT 1998 | Justin Medernach
| | I'm having a problem getting good reflow on gold sufaced boards. The profile looks good and I have adjusted it both hotter and colder and adjusted the various times ( soak, reflow ) to no avail. What realy gets me Is that a month ago we built som
