Specific Process Knowledge/Etch/ICP Metal Etcher/silicon/nano/Sinan37
Nominal trench line width | ' | ' | 30 | 60 | 90 | 120 | 150 | Average | Std. dev. |
Etch rate | nm/min | 59 | 67 | 67 | 67 | 68 | 66 | 4 | |
Sidewall angle | degs | 84 | 86 | 84 | 86 | 86 | 85 | 1 | |
CD loss | nm/edge | -16 | -31 | -29 | -36 | -33 | -29 | 8 | |
CD loss foot | nm/edge | -16 | -23 | -14 | -18 | -12 | -17 | 4 | |
Bowing | 7 | 23 | 15 | 10 | 9 | 13 | 7 | ||
Bottom curvature | -27 | -8 | 11 | 9 | 4 | -2 | 15 | ||