It's size of the wafer. http://audilab.bmed.mcgill.ca/~funnell/InforMed/Bacon/HW/private/willoner08.jpg http://audilab.bmed.mcgill.ca/~funnell/InforMed/Bacon/H

It's size of the wafer. http://audilab.bmed.mcgill.ca/~funnell/InforMed/Bacon/HW/private/willoner08.jpg http://audilab.bmed.mcgill.ca/~funnell/InforMed/Bacon/HW/pri...