Electronics Forum | Tue Mar 23 10:16:22 EST 1999 | Chrys Shea
| Hi Folks, | This is my first surface mount board, so I asked our assembly house for some tips. They said only passives on the bottom side-preferably no smaller than 0805, 0603 only if I have to. I would think that an SOT-23 would be OK on the botto
Electronics Forum | Sat Mar 06 10:25:55 EST 1999 | Earl Moon
I'm having a fun time between BGA rework/repair using an SRT 1000 and SPC efforts (much easier) using DEK stencil printing processes and BTU reflow with 6 Fuji lines in between. Concerning the BGA stuff, I'm getting about 60% success using this rewo
Electronics Forum | Fri Jul 17 13:47:12 EDT 1998 | Michael Allen
| Everyone- | I've been involved in about 20 forums, Based on a whole range of different subjects. This one, although one of the best run and the most professional that I've experienced. It has run into a problem that almost all do...Ranting and ra
Electronics Forum | Fri Jul 10 10:40:13 EDT 1998 | Todd N
Hi all, We are currently having problems with a laser-cut stencil that is electropolished and nickel plated with 9-mil openings. The paste does not release well from the apertures. We are having to wipe after every print. The board is fixtured well a
Electronics Forum | Sat Jul 11 06:56:35 EDT 1998 | Tom Denison
| Hi all, | We are currently having problems with a laser-cut stencil that is | electropolished and nickel plated with 9-mil openings. The paste does | not release well from the apertures. We are having to wipe after every | print. The board is fixtu
Electronics Forum | Sat Jul 11 06:56:03 EDT 1998 | Tom Denison
| Hi all, | We are currently having problems with a laser-cut stencil that is | electropolished and nickel plated with 9-mil openings. The paste does | not release well from the apertures. We are having to wipe after every | print. The board is fixtu
Electronics Forum | Fri Jul 10 09:17:13 EDT 1998 | justin medernach
| There's a company out the that makes air sleds for moving equipment around. Air sleds are heavy duty plastic plastic bags with lots of little holes in the under-side. The bag is positioned under the equipment. A vacuum cleaner, hooked-up backwar
Electronics Forum | Fri May 29 20:15:15 EDT 1998 | Steve Gregory
Whoo-doggies Jason, you said a mouthfull!! (GRIN) Anyways, 'member what I said about me being a pack-rat? Guess what? I found some documentation that I've had for a while that does document the self-alignment forces that goes on when reflowing. I ha
Electronics Forum | Tue May 26 12:19:53 EDT 1998 | Earl Moon
| We currently bake plastic SMT parts in accordance with the IPC guidelines for moisture sensitive parts. Because we have double-sided boards that are subjected to either an aqueous or semi-aqueous cleaning process, we do a 24 hour bake at 125 deg.
Electronics Forum | Fri Nov 30 17:33:12 EST 2001 | slthomas
After saying for years that we'd never do two-sided assembly, the powers that be are not only saying we will, but they're threatening to throw an out of house design at us...no frame (it's a PCI card with a couple of dinky breakaway tabs), no tooling
