Table 2.
Surface (area) roughness data for the native flattened Ag wire and the different flattened Ag wires after chemical etching treatments. (n = 6, mean ± standard error of mean).
| Rt (PV) (µm) | Rp (µm) | Rv (µm) | Rq (RMS) (µm) | Ra (µm) | (Rq−Ra)/Ra (%) | |
|---|---|---|---|---|---|---|
| Native | 9.59 ± 0.75 | 4.39 ± 0.25 | 5.20 ± 0.59 | 1.20 ± 0.11 | 0.93 ± 0.08 | 29.18 |
| 30 s NH4OH | 12.99 ± 1.33 | 7.12 ± 0.59 | 5.87 ± 0.93 | 1.53 ± 0.15 | 1.19 ± 0.12 | 28.62 |
| 10 s HNO3 | 14.79 ± 1.17 | 6.88 ± 0.97 | 7.90 ± 0.35 | 1.29 ± 0.04 | 1.00 ± 0.03 | 29.75 |
| 2 m HNO3 | 11.69 ± 1.94 | 6.02 ± 1.33 | 5.67 ± 0.80 | 1.35 ± 0.23 | 1.07 ± 0.18 | 26.30 |
| 30 s NH4OH + 10 s HNO3 | 15.18 ± 1.55 | 7.23 ± 0.86 | 7.95 ± 0.89 | 1.58 ± 0.19 | 1.19 ± 0.14 | 32.66 |
| 30 s NH4OH + 2 m HNO3 | 12.69 ± 0.48 | 5.67 ± 0.40 | 7.02 ± 0.25 | 1.40 ± 0.11 | 1.09 ± 0.08 | 29.11 |