| 摘要 |
A magnetic recording medium comprising a flexible non-magnetic support, a non-magnetic primer layer containing a binder and non-magnetic particles, formed on the support, and a magnetic layer having a thickness of at most 0.5 mum and containing a binder and a ferromagnetic acicular metal powder having an average long axis length (L) of at most 0.20 mum and an aspect ratio (K) of at most 15, formed on the primer layer, wherein the variation (D) of the interface between the magnetic layer and the non-magnetic primer layer is represented by D<=2L/K.
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