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Board Talk
At Board Talk, the Assembly Brothers cut through the marketing hype, the platitudes and incompetent un-scientific baloney with a search for the truth.
This episode features:
Phil Zarrow, ITM ConsultingPhil has been involved with hybrid and PCB assembly for more than 30 years including equipment design for pcb fab and assembly. 
Jim Hall, ITM ConsultingJim has a wealth of knowledge in soldering and thermal technology, equipment and process basics and is a pioneer in the science of reflow technology. |
Through Hole Reflow - Pin in Paste
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Comments and Questions Hello, I have this USB 4-pin connectors using pin 'n paste process in one of our high runner boards. I just noticed it today (after 1200 boards) that the solder paste being pushed-out the 4 pins at the bottom side is dripping and accumulating inside the oven mostly on the 2nd to 3rd zone (temp is 120deg.c to 140 deg. c) of our 12-zone vitronics oven. Question is, is this normal? Or what is the normal inside the oven for pin n' paste process. The protrussion of the 4 pins at the bottom side is 1mm. R. M. |
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