MAGNETIC TAPE AND MAGNETIC TAPE DEVICE
First Claim
1. A magnetic tape comprising:
- a non-magnetic support;
a non-magnetic layer including non-magnetic powder and a binder on the non-magnetic support; and
a magnetic layer including ferromagnetic powder and a binder on the non-magnetic layer,wherein the total thickness of the non-magnetic layer and the magnetic layer is equal to or smaller than 0.60 μ
n,the magnetic layer includes a timing-based servo pattern,one or more components selected from the group consisting of fatty acid and fatty acid amide are at least included, in the magnetic layer, anda C—
H derived C concentration calculated from a C—
H peak area ratio of C1s spectra obtained by X-ray photoelectron spectroscopic analysis performed on the surface of the magnetic layer at a photoelectron take-off angle of 10 degrees is equal to or greater than 45 atom %.
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Accused Products
Abstract
The magnetic tape includes a non-magnetic layer including non-magnetic powder and a binder on a non-magnetic support; and a magnetic layer including ferromagnetic powder and a binder on the non-magnetic layer, the total thickness of the non-magnetic layer and the magnetic layer is equal to or smaller than 0.60 μm, the magnetic layer includes a timing-based servo pattern, one or more components selected from the group consisting of fatty acid and fatty acid amide are at least included in the magnetic layer, and a C—H derived C concentration calculated from a C—H peak area ratio of C1s spectra obtained by X-ray photoelectron spectroscopic analysis performed on the surface of the magnetic layer at a photoelectron take-off angle of 10 degrees is equal to or greater than 45 atom %.
101 Citations
18 Claims
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1. A magnetic tape comprising:
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a non-magnetic support; a non-magnetic layer including non-magnetic powder and a binder on the non-magnetic support; and a magnetic layer including ferromagnetic powder and a binder on the non-magnetic layer, wherein the total thickness of the non-magnetic layer and the magnetic layer is equal to or smaller than 0.60 μ
n,the magnetic layer includes a timing-based servo pattern, one or more components selected from the group consisting of fatty acid and fatty acid amide are at least included, in the magnetic layer, and a C—
H derived C concentration calculated from a C—
H peak area ratio of C1s spectra obtained by X-ray photoelectron spectroscopic analysis performed on the surface of the magnetic layer at a photoelectron take-off angle of 10 degrees is equal to or greater than 45 atom %. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A magnetic tape device comprising:
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a magnetic tape; a magnetic head; and a servo head, wherein the magnetic tape is a magnetic tape comprising; a non-magnetic support; a non-magnetic layer including non-magnetic powder and a binder on the non-magnetic support; and a magnetic layer including ferromagnetic powder and a binder on the non-magnetic layer, wherein the total thickness of the non-magnetic layer and the magnetic layer is equal to or smaller than 0.60 μ
m,the magnetic layer includes a timing-based servo pattern, one or more components selected from the group consisting of fatty acid and fatty acid amide are at least included in the magnetic layer, and a C—
H derived C concentration calculated from a peak area ratio of C1s spectra obtained by X-ray photoelectron spectroscopic analysis performed on the surface of the magnetic layer at a photoelectron take-off angle of 10 degrees is equal to or greater than 45 atom %. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18)
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Specification