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difference between antenna effect and esd in layout

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thanks sapna!
but this is not what i am looking for.

for both we use reverse biased diode to to bypass charge. then what is the difference between antenna and esd(cdm diode) ?
 

antenna is something that happens while getting fabricated
esd occurs after chip gets fabricated when a machine/human body touches the IC.
hope this is useful
 
thanks lakshmi

I think that esd is taken care by ios. We add CDM diode to protect from antenna/
Pls correct me if i am wrong
 

antenna is taken care by metal jumpers or reverse biased diodes.
preferred method is metal jumper.
you can put a single substrate contact in parallel to the net that is getting antenna violation in order to get rid off antenna ( this works as reverse biased diode)
 
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