Electronics Forum | Fri Apr 27 08:19:04 EDT 2012 | jim_n_hky
Can anyone offer guidelines on DFM and process recommendations for soldering .050" pitch connectors in the wave. The initail design had .026" drill with .043" pads so only .007" between pads. I requested .035" pads, but this still only leaves .015" b
Electronics Forum | Wed May 02 11:27:17 EDT 2012 | aj
Are you having problems with alignment of BGA's or perceiving that you will have problems. We run thousands and they re-align very well with leadfree if slightly off - Do you handplace all your BGA's? I would imagine there would be cosiderable cos
Electronics Forum | Wed May 02 04:25:50 EDT 2012 | geb
Hi, We power down our reflow oven over the weekend, but before that we let the heating zones cool to approx 100degC. Its something we've always done as we were told to do it when we bought the line. Does anyone else do this, and what would happen if
Electronics Forum | Fri May 04 11:47:56 EDT 2012 | pctech
Hi, It's not advised to hard-down the re-flow oven.There are two reasons for that ; extreme thermall difference in temp. will cause chain and drive shafts to warp and T/C's to crack.Let your "cooldown" profile do this safely within 45 mins. to an hou
Electronics Forum | Thu May 03 15:07:59 EDT 2012 | rodrigo
Hi all, What the largest part I can place with these machines? I'm going to try to install a PLCC68 using the front light because the part is bigger than the backdisk and I want to make sure it can handle it. The part is about 30mmx30mm. Thanks
Electronics Forum | Sat Aug 03 04:33:18 EDT 2013 | sarason
There is one Essemtec CML7000 om ebay right now http://www.ebay.com/itm/Essemtec-Pick-and-Place-Machine-CML7000-CML-7000-/321164969584?pt=LH_DefaultDomain_0&hash=item4ac6ec8670 regards sarason
Electronics Forum | Fri May 04 12:08:04 EDT 2012 | gnus
Hi. I got an old MPM SPM printer and recently the hard drive crashed and couldn't be saved. We sourced a hard drive but the problem is we don't have the actual software and cannot retrieve it from the dead hard drive. Does anyone have it or can point
Electronics Forum | Mon May 07 21:08:19 EDT 2012 | abyan
Hi..I need help again.. I need negative 18 volt linier voltage regulation, but after I search for a while, all of the components with this spec is obsolete, an the only exixting component is the through hole one.. Can you show me where I could find a
Electronics Forum | Thu May 31 14:59:50 EDT 2012 | jdumont
I use Trace and certainly recommend them. I actually just had this test done last week. Adhesion test per ASTM-3359 Method B. We use Humiseal 1B73, which is similar to what you use. Is your soldermask "active" enough for this coating? I believe
Electronics Forum | Thu May 31 15:00:33 EDT 2012 | jdumont
I use Trace Labs and certainly recommend them. I actually just had this test done last week. Adhesion test per ASTM-3359 Method B. We also use Humiseal 1B73, which is similar to the 1B31 you use. Is your soldermask "active" enough for this coat
