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Jan 24, 2014 | defined pads, which confines the amount of flux spreading * Increasing the ramp rate (1-1.5°C/second) allows the flux solvent to volatize quickly, increasing the flux viscosity and lowering its ability to “run-away”.
Jul 10, 2006 | Solder beads and wave soldering You are right, RSS profile is not the correct description. I am using a profile which heats up quickly to let the flux spread. Next linear up to activate the flux and prevent thermoshock. My experience is however, that small changes in this profile do make a big
Jul 4, 2006 | SIR Testing Calling for an input from the Experts our there. Our customer is questioning the cleanliness of the no-clean product that we produced for them. We were asked to clean the board (localised cleaning) after rework (IC need to be changed due to an up rev.). Excessive touch up flux spreaded
Sep 28, 2004 | chip wave coverage area, parrelism, and delta wave coverage area, parrelism. Adjust all those parameters until you get what you want and that should solve your problem. Regards, VS
Jun 28, 2004 | the raw flux spreads across the board, under components
Apr 18, 2001 | under the belly and moved the part as the flux spread. We eventually fixed the problem by changing the part. Good Luck