Can anyone give me any idea as to how far apart I need to put tracks to get
1500V transient isolation.  These tracks are on the same layer. Using FR-4.
The transients are 100 to 1000 uS.  Does duration actually matter?
Is there a particular standard I should be looking at?
Are there any coatings one can apply to increase "breakdown strength" & hence
get the tracks closer?  How 'bout for inner layers?
 

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