Magnetic tape, magnetic tape cartridge, and magnetic tape device
A magnetic tape including a timing-based servo pattern, in which the magnetic tape is used in a magnetic tape device in which a total number of data tracks is 8705 or more in conversion of a magnetic tape having a width of ½ inches, and αPNL of the timing-based servo pattern is 10.0% or less of a track pitch. A magnetic tape cartridge including the magnetic tape, and a magnetic tape device including a magnetic tape, in which a total number of data tracks is 8705 or more in conversion of a magnetic tape having a width of ½ inches, the magnetic tape includes a timing-based servo pattern, and αPNL of the timing-based servo pattern is 10.0% or less of a track pitch are provided. The αPNL indicates an amount of deviation of the timing-based servo pattern from linearity.
1 . A magnetic tape comprising:
a timing-based servo pattern,
ΔPNL of the timing-based servo pattern is 10.0% or less of a track pitch, and
the ΔPNL indicates an amount of deviation of the timing-based servo pattern from linearity.
2 . The magnetic tape according to claim 1 ,
wherein an azimuth angle of the timing-based servo pattern is 5° or more.
3 . The magnetic tape according to claim 1 ,
wherein an azimuth angle of the timing-based servo pattern is 18° or more.
4 . The magnetic tape according to claim 1 ,
wherein an azimuth angle of the timing-based servo pattern is 24° or more.
5 . The magnetic tape according to claim 1 ,
wherein the ΔPNL of the timing-based servo pattern is 0.5% to 10.0% of the track pitch.
6 . The magnetic tape according to claim 1 , further comprising:
a non-magnetic support; and
a magnetic layer.
7 . The magnetic tape according to claim 6 , further comprising:
a non-magnetic layer between the non-magnetic support and the magnetic layer.
8 . The magnetic tape according to claim 6 , further comprising:
a back coating layer on a surface side of the non-magnetic support opposite to a surface side including the magnetic layer.
9 . A magnetic tape cartridge comprising:
the magnetic tape according to claim 1 .
10 . A magnetic tape device comprising:
a magnetic tape,
wherein the magnetic tape includes a timing-based servo pattern,
ΔPNL of the timing-based servo pattern is 10.0% or less of a track pitch, and
the ΔPNL indicates an amount of deviation of the timing-based servo pattern from linearity.
11 . The magnetic tape device according to claim 10 ,
wherein an azimuth angle of the timing-based servo pattern is 5° or more.
12 . The magnetic tape device according to claim 10 ,
wherein an azimuth angle of the timing-based servo pattern is 18° or more.
13 . The magnetic tape device according to claim 10 ,
wherein an azimuth angle of the timing-based servo pattern is 24° or more.
14 . The magnetic tape device according to claim 10 ,
wherein the ΔPNL of the timing-based servo pattern is 0.5% to 10.0% of the track pitch.
15 . The magnetic tape device according to claim 10 ,
wherein the magnetic tape includes a non-magnetic support and a magnetic layer.
16 . The magnetic tape device according to claim 15 ,
wherein the magnetic tape further includes a non-magnetic layer between the non-magnetic support and the magnetic layer.
17 . The magnetic tape device according to claim 15 ,
wherein the magnetic tape further includes a back coating layer on a surface side of the non-magnetic support opposite to a surface side including the magnetic layer.