Electronics Forum: gold leaching of pcb pads (Page 1 of 1)

Wetting problem of PCB after reflow soldering

Electronics Forum | Fri Sep 14 02:18:32 EDT 2001 | gsparka

Hi. After reflow soldering. There are lots of non wetting of leads. 71 b'd all are mounted resister,condensor,qfp,plcc,bga have got the defects so many. all defecs occured in the fine pitch ic. others are good. On some fine pitch pads not mou

Line release of post reflow AOI and AXI

Electronics Forum | Mon Sep 22 17:02:58 EDT 2008 | hegemon

You are on the right track Ismir. Essentially however, as the programmer of the machine, I am the one that creates the PCB with the errors to benchmark the settings for the machine. No secret lab though! :-) Easy enough for most any AOI machine to

Solder climbs on the lead and touches the body of the component

Electronics Forum | Mon May 12 12:58:07 EDT 2014 | emeto

Hello all, I have a diode(gold plated)on some assemblies that gives me a a hard time. The paste is wetting too good and climbs the lead of the component and touches the body which is a defect. I just wonder what if there is a way to heat the board e

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