Data are reported as the force per needle required for failure. Using arrays ranging from 20 to 60 needles at a needle density of 300 needles/cm2, this per-needle normalization accounted for the data, as shown in results section.
Data are reported as theforce per needle required for failure. Using arraysranging from 20 to 60 needles at a needle density of300 needles/cm2, this per-needle normalizationaccounted for the data, as shown in results section.