Electronics Forum | Thu Aug 20 09:32:28 EDT 1998 | JUSTIN MEDERNACH
| Steve: | Take a look at the attached url. As with all testing systems, tooling / fixturing is costly. But, not as bad as a bunch of "Bed of Nails" test fixtures. | Glad you had one of those great weekends, had to spend mine fishing,, again ,, Ca
Electronics Forum | Fri Aug 14 14:09:51 EDT 1998 | Manny Negron
You guys have made a wonderful improvement to the SMTNet. Things I like: 1 Speed speed speed 2 Faster response time when posting a response. In the past I kept "pounding" the post button, trying to get a window for it to take. 3 Search of archived me
Electronics Forum | Fri Aug 14 09:37:36 EDT 1998 | Earl Moon
| Where can I find a spec to put on my fab drawing, to call out the cleanliness of the board, before I recieve it. These boards will require a tight spec after they are assembled, so I want to know that they are clean when I get them. Any suggestions
Electronics Forum | Thu Jun 10 21:09:17 EDT 1999 | Samuel F.
Humiseal probably won't work as most of them are solvent based or require pretty high temp cures. MicroCoat technologies manufacturers UV cure epoxy conformal coating materials that have been used to coat just about anythin (except the green fog) Cal
Electronics Forum | Wed Aug 05 10:57:09 EDT 1998 | Jim Price
| | Yes, I realize that COB isn't really SMT (it is on the surface), but where can I get some free (IPC has some stuff for sale), fast info. about IC pad spacing for COB? | | Thanks | The Create Group at Panasonic Factory Automation is the leader in
Electronics Forum | Thu Jul 23 07:03:09 EDT 1998 | Wayne
| My firm has just begun it's first PCB that will use BGA packaging. I have been reading up on the processes involved with BGAs and was wondering if you need to apply solder paste to the pads prior to applying heat and mounting the part to the board
Electronics Forum | Tue Jul 21 09:53:13 EDT 1998 | Steve Brown
Here at M/A-Com we use lead free solder pastes for two purposes, environment and prevention of secondary reflow in subsequent processes. The UK engineering journals all report the trends towards lead free alloys, especially in the telecommunications
Electronics Forum | Sat Aug 01 09:19:59 EDT 1998 | Claudio Carnevali
I can explain my experience. I had a no clean paste and in summer I had a lot of problems. Now I have installed and air cooling system and I work with 25�C and 50-55%. I think you'll have less problems but smt problems usually doesn't have only one a
Electronics Forum | Thu Jul 09 17:05:22 EDT 1998 | Dave F
| I am looking for some guidelines on evaluating solder paste. I am specifically interested in No-Clean Pastes, as they are a completely new ball game when it comes to slump, tack time, stencil life, tack time, etc. | Thanks for any and all help give
Electronics Forum | Thu Jul 09 17:12:00 EDT 1998 | Dave F
| We are wave soldering a board having 24 similar thru hole connectors on it, using a wave soldering pallet. The problem is that one particular pin of connector in around 6-9 connectors get excess solder on the bottom side. I have tried all the par
