This week, we found CHUNKs "ADJ1B7/R, ADJ1B7/W, ADJ1B6/D" showed narrow WPE (2.8u" Vs 3.10u" target) that impact to ET yield as table below ka. I'm not sure another CHUNK on this wafer showed same trend or not ka?
So could you please help check the EST_WPE on this wafer that can detect or not ka?