Numerical Innovations - Help Center

What does it look for?

The User manual makes a reference to Acid Trap and that is in the DFMChecker Array

Find Acid Traps

That's it, no explanation

Acid traps looks for copper areas in your design that may not etch correctly.  The problem that occurs with acid traps is that your circuit may over-etch or under-etch causing a potential for shorts and/or other failures.