Electronics Forum | Fri Sep 24 12:37:13 EDT 1999 | Terry Burnette
.032" pitch, and OSP copper pads on boards with devices that have
Electronics Forum | Fri Sep 24 14:02:02 EDT 1999 | Earl Moon
.032" pitch, and OSP copper pads on boards with devices that have
Electronics Forum | Mon Sep 27 08:45:42 EDT 1999 | Wolfgang Busko
.032" pitch, and OSP copper pads on boards with devices that have
Electronics Forum | Mon Sep 27 09:42:08 EDT 1999 | Earl Moon
.032" pitch, and OSP copper pads on boards with devices that have
Electronics Forum | Thu Feb 17 13:44:12 EST 2005 | austinj
I am having trouble reflowing pcb's that are
Electronics Forum | Fri Feb 18 11:14:07 EST 2005 | russ
I would be willing to bet that you are ramping up way too fast and possibly too hot/long of a soak and killing your flux activity. this will give the appearance of "no reflow" due to non-coalescence of the solder balls. check this board with the hel
Electronics Forum | Mon Jun 12 10:07:08 EDT 2006 | mkehoe@sipad.net
Can someone look this over and see if this helps?? ****************************************************** I read the e-mail threads and I think the respondents are all mixed up on the units of measure. the print reads: Gold Plate (80 mocroinches m
Electronics Forum | Thu Feb 17 15:00:25 EST 2005 | austinj
I am working on fixturing to keep the pcb/panel from "floating" in the oven. The problem is cold solder/non-wetting on all components. My thoughts lean towards the thin pcb not retaining the "preheat temps" for proper soak/reflow. Any thoughts about
Electronics Forum | Thu Feb 17 18:44:39 EST 2005 | austinj
Slow Ride: I do not have access to external profiling equipment. I am using a profiler included in the Heller 1088 oven software.(Heller 1088 4 zone convection oven) JB: I have started with my original profile and only have difficulties w/
Electronics Forum | Fri Feb 18 11:30:27 EST 2005 | austinj
Thanx aj and Russ. I will verify my ramp up/down degC/sec and the soak zone peak temp. Fluxes could be burning off prior to activation. I have found access to an old thermal data logger to help verify the Heller thermocouples. I will post updated fi
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