Ron Amundson wrote:
> Its very difficult to even get that level with solder mask, so say nothing of flux. I've tried different coatings from Dupont, however our assembly techniques nullified the coatings, thus we returned to dead-bug.
>
> A friend in Singapore made thousands of production sensor conditioners a month, and even then had to dead bug the input circuits. At least his labor costs were low enough to make this practical.
>
> I will keep an eye on this topic, as I'm very interested if someone has a workable solution.
Why do you need ∗any∗ coating on the pcb?