... 100 nm.The coefficients of friction of unlubricated polished disks and with 1.5-nm-thick lubricant film were0.5 and 0.4, respectively, and of unlubricated textured disks and with 2.5-nm-thick lubricant ... 1998).14.4.2.2 Magnetic MediaBhushan and co-workers measured friction properties of magnetic media including polished and texturedthin-film rigid disks, MP, BaFe and ME tapes, and PET tape substrate. ... values of coefficients of friction of polished and textured, thin-film rigid disks and MP, BaFe and ME tapes, PET tape substrate,see Table 14.4. In the case of magnetic disks, similar coefficients of...