| 摘要 |
A leader tape comprising a support and a coating layer containing powder and a binder, wherein at least one surface of the leader tape has a center line average roughness (Ra) of from 10 to 60 nm, and the leader tape has a coefficient of thermal expansion in a transverse direction of not more than 20 ppm/°C, a coefficient of thermal expansion in a machine direction of not more than 20 ppm/°C, a coefficient of humidity expansion in a transverse direction of not more than 20 ppm/% RH, and a coefficient of humidity expansion in a machine direction of not more than 20 ppm/% RH. |
