Patent ID: 6579592
Filing Date: 2003-06-17
Classification: G11B,Y10T

Abstract:
A magnetic recording tape which comprises a support having thereon a magnetic layer comprising a ferromagnetic metal powder and a binder, wherein said magnetic layer has the product P of the following formula:P=HcÃ—fm (wherein Hc represents a coercivity in the in-plane machine direction of said tape expressed with a unit Oersted and fm represents magnetic flux per unit area in the in-plane machine direction of said magnetic layer expressed with a unit GaussÂ·cm) in a range from 100 to 160 (OeÂ·GÂ·cm) and the ratio of chlorine amount to Fe amount on an upper surface of said magnetic layer is from 0.13 to 0.2 in terms of a Cl/Fe intensity ratio obtained by ESCA, said upper surface containing chlorine.