Electronics Forum | Tue Dec 03 20:54:57 EST 2002 | davef
Q1:A picture of the sectioned MLCC would be nice. A1: I don't think I can post pics in this (if anyone knows otherwise let me know), so I will email them to anyone who's curious. R1: You�re correct. You cannot post pix on SMTnet. Please email me t
Electronics Forum | Thu Nov 30 11:20:55 EST 2006 | CK the Flip
I'm no guru, but I am among the best that my home state's gotta offer... :-) Anywho.. a Production Manager's definition of cycle time is the time Production Planning schedules the stockroom to start picking materials for the work order, to the time
Electronics Forum | Mon May 07 11:09:49 EDT 2007 | davef
4 Fluxer Operation 4.1 Set-Up and Check-Out the Fluxer 4.1.1 Spray Fluxer Set-Up and Check-Out 4.1.1.1 Pass a sample unsoldered board through the machine. 4.1.1.2 Remove the board just after passing through the fluxer and the air knife. 4.1.1.3
Electronics Forum | Fri Jun 01 22:49:50 EDT 2007 | mika
These ones from ALTERA the QFFP-304 0.5mm weight: 32gr. used to give us a really headache in the past. Not only soldering issue:s but also the placement in x-y-theta! The stencil thickness of ours is 0.13mm and because of ohter compomponent packages,
Electronics Forum | Fri Nov 05 18:47:31 EDT 2010 | eadthem
I'm guessing when you say bare board you mean wet paste only? When you say the pads move slightly are your boards warped at all at the Vscore? What we do is use per modual fids. first you delete or don't make panel fids and then theres a option wh
Electronics Forum | Wed Dec 08 11:26:04 EST 2010 | davef
3 Printer Area Conditions * As stated earlier, heat and humidity are damaging to solder paste. Ideally, the printing area should be maintained at 40% - 50% relative humidity and 72°- 80°F (22-26°C). In addition, no air (cool or warm) should blow dire
Electronics Forum | Tue Sep 18 20:01:46 EDT 2012 | vergara1
Thanks for the advice. We have only done one PCB > with HMP solder and did not use preheating, but > I've been wondering if it would have been helpful > since we had some trouble getting the solder to > flow. If you have any more specific advice
Electronics Forum | Mon May 02 12:35:33 EDT 2016 | adamjs
Or try : http://www.sipad.com/ I think sipad is incredibly cool and would be the perfect solution, but is way too expensive. We're paying $0.80/each for four-layer ENIG boards, 50cm^2 with 0.125mm trace/space and 0.8mm-pitch LGA landings in lots of
Electronics Forum | Wed Apr 21 13:52:34 EDT 1999 | Steve Gregory
Technically speaking, there is nothing for me to say. Oh maybe just one thing - to get me back into the fray: Steve, I must say I totally disagree with your assessment of under screen cleaners. I have had nothing but excellent results using the dry,
Electronics Forum | Wed Apr 21 18:58:44 EDT 1999 | Earl Moon
| Technically speaking, there is nothing for me to say. Oh maybe just one thing - to get me back into the fray: Steve, I must say I totally disagree with your assessment of under screen cleaners. I have had nothing but excellent results using the dr
