Electronics Forum | Thu Jul 28 09:10:55 EDT 2005 | Cmiller
What stencil reduction are you using so the resistors dont bridge??
Electronics Forum | Thu Jul 28 08:12:38 EDT 2005 | jh0n!
That's pretty much what I figured - just wanted some external verification if possible. And don't so much as BREATHE that around here. I'm just waiting for engineering's *next* bright idea. ;)
Electronics Forum | Thu Jul 28 11:14:48 EDT 2005 | jh0n!
On chips, none - 1:1. Those are 1206 chips, either .010 or .015" between them. I've never seen one bridge. Some *rare* billboarding. That's it. *shrug* These QFNs, tho....
Electronics Forum | Wed Jul 27 22:14:57 EDT 2005 | Ken
If no-clean...then this seems "relatively" normal. You could try and extend your peak and duration, however, manufacturers are adjusting their chemistry to survive these normal temperatures (up to 260C and 30 seconds within 5C of peak). You will h
Electronics Forum | Tue Oct 12 16:07:29 EDT 1999 | Jeff Sanchez
| | We (Compunetix, Inc.) need to sell a Centech Vapor Phase. What would be a good asking price. | | | | TIA | | | You should be aware that vapour phase is on its way down the hill for environmental reasons. In any case, how can anyone recommend a
Electronics Forum | Wed Jul 27 11:28:55 EDT 2005 | jh0n!
This may be completely normal, but I'm not used to seeing this with our old SnPb. I'm setting up reflow profiles for a SAC305 alloy, and it seems that on some of our larger pads, the flux seems to pool in the center. Is this perhaps a sign that I'm
Electronics Forum | davef |
Wed Jun 22 11:03:30 EDT 2005