Electronics Forum | Wed Nov 11 00:42:15 EST 1998 | Jason
Mike, We retrofitted all of our waves with USI spray fluxers. We are running no-clean on 4 of our waves, and OA 2331-ZX, reduced specific gravity to .825, on the other 2 With OA you must buy a special spray head to accomadate higher pressure and l
Electronics Forum | Fri Oct 30 18:08:59 EST 1998 | Dave F
| I finally got my problem figured out on the bridging, the | only thing I'm finding is that I notice some litlte solder balls on the bottom of the board. Is that normal? Is that why I'm getting bridges? Has anyone came across this problem and pass t
Electronics Forum | Mon Nov 02 17:14:52 EST 1998 | Thomas Clift
Thanks for your reply. I am interested in knowing about maintenance schedules and levels. I'm wondering how to know if I must replace a part. What part? What type of lubrication (for Fuji). Etc. My company is small in terms of number of lines and th
Electronics Forum | Mon Oct 19 23:37:16 EDT 1998 | john godfrey
| | I AM LOOKING FOR INFORMATION ON A WAY TO REPAIR STENCIL FIDUCIALS TO KEEP THEM SOLID AND AS DARK AS POSSIBLE.SOMETING THAT WOULD BE MORE OF A PERMANENT SOLUTION,I HAVE USED PERMANENT INK BUT IT EVENTUALY WIPES OFF OR FADES... | | | Don't laugh,
Electronics Forum | Thu Oct 15 21:19:21 EDT 1998 | Scott McKee
| We have a need to bond Flatpack and Quadpack components to the circuit board. The adhesive should be quick curing, repairable and have a low modulus. It does not have to be thermally conductive (but it would be a plus). The components are current
Electronics Forum | Fri Oct 09 14:01:24 EDT 1998 | Bob Barr
Charles, I am using an Air-Vac PCBRM12 to selectively solder a 96 pin thru-hole connector onto an otherwise all SMT board. Cost is $8.6K plus about $300 per flow well (nozzle.) Went from a 6 minute cycle to hand solder the connector to 15 seconds o
Electronics Forum | Sun Sep 27 13:32:59 EDT 1998 | S. Evers
| | I am looking for anyone out there that has had experience with stenciling with chipbonder adhesives. I need information on material and stencil design. | The firm who can help is K&J marketing their new KEPOCH stencil material is a (plastic) pol
Electronics Forum | Tue Sep 22 09:07:02 EDT 1998 | Steve Gregory
Hi Jacqueline! Do these joints that you're having problems with happen to be on fine pitch solder joints? Are the fillets staying attached to the foot and separating from the pads cleanly? If that is true, are there many vias concentrated aroun
Electronics Forum | Wed Sep 16 08:46:50 EDT 1998 | Chrys
Hi Folks, Need to draw upon the vast expertise in this forum... Whenever you fill a new wave solder machine with fresh bar solder, it seems to produce more than the normal amount of dross for a few weeks. I always understood this to be the solder "c
Electronics Forum | Fri Sep 11 15:11:23 EDT 1998 | Dave Celestian
I am running composite fixtures on my wave solder machine and after about 500 passes each (1 month)they are showing serious signs of wear in that the composite surface is bubbling up and glass fibers are also starting to show. The problem here is t
