Electronics Forum | Thu Dec 04 00:22:11 EST 2008 | maacolomer
Hi Steven, The 24 hrs bake is an overkill according with various J-STDs. Assuming a bake temperature over the 100 Celsius degrees. There are several factors to be considered before deciding the best methodology to wash misprinted board. However,
Electronics Forum | Mon Aug 28 18:21:13 EDT 2000 | Earl Moon
Steve, If interested in more vital input - contact me offline. It's not just the factors you indicate but those of reliability. Earl Moon
Electronics Forum | Wed Apr 12 13:25:51 EDT 2000 | Billy G
Chris, is right! Pad geometry is one of the biggest factors of tomb-stoning. Check Pad size against parts size.
Electronics Forum | Mon Jan 22 22:37:27 EST 2001 | davef
50 ppm oxygen was on half joints reflowed in air. 3d Human factors PCB pad cleanliness: Handling of bare board pads creates excessive voiding. Print rejection: Cleaning of OSP pads with acetone or isopropanol increases voiding.
Electronics Forum | Mon Feb 05 21:19:45 EST 2001 | davef
We process a fairly wide variety of board designs. So, pot temperature is one of the controllable factors in DOE.
Electronics Forum | Thu Apr 12 22:35:42 EDT 2001 | davef
Consider the profile recommended by your solder paste manufacturer to be the starting point to begin tailoring ramp rate, dwell times, and temperature excursions to meet the requirements of your boad design, the capabilities of your components, and t
Electronics Forum | Thu Aug 24 13:10:57 EDT 2000 | Dave F
How do these factors affect paste selection? How does paste selection affect nozzle slection?
Electronics Forum | Thu Aug 24 13:04:28 EDT 2000 | Dave F
How does flux selection fit into the mix of factors affecting splattering? Do various flux formulations splatter more than others?
Electronics Forum | Thu Aug 24 13:25:01 EDT 2000 | Dave F
What factors in the manufacturers' description of a paste properties give clues to the wetting rate and boiling point of solvents of fluxes?
Electronics Forum | Fri May 11 16:06:49 EDT 2001 | Charlie
How to solder one zero ohm 0805 resistor to a PCB after it is mounted in it's plastic. The Panasonic "Soft Beam" would do it if money were not a factor. Is there a similar type of soldering station out there that may just bolt to an existing conveyor
