Multichannel linear magnetic tape drive having dual tilting actuators
The present disclosure generally relates to a tape head module assembly and a tape drive including the tape head module assembly. The tape head module assembly comprises a first tape head module disposed on a first actuator and a second tape head module disposed on a second actuator. The first actuator is configured to move the first tape head module in a first direction and a second direction opposite the first direction to tilt the first tape head module, and the second actuator is configured to move the second tape head module in the first direction and the second direction to tilt the second tape head module. The first tape head module is operable to write data to a tape using perpendicular magnetic recording, and the second tape head module is operable to read-verify the newly written data.
1 . A tape head module assembly, comprising:
a first tape head module comprising a first row of write transducers and a first row of read transducers disposed adjacent to the first row of write transducers on a media facing surface (MFS);
a first actuator, wherein the first tape head module is disposed on the first actuator, and wherein the first actuator is configured to tilt the first tape head module;
a second tape head module spaced from the first tape head module, the second tape head module comprising a second row of write transducers and a second row of read transducers disposed adjacent to the second row of write transducers on the MFS, wherein the first tape head module is spaced from the second tape head module a distance of about 10 mm to about 50 mm; and
a second actuator, wherein the second tape head module is disposed on the second actuator, wherein the second actuator is configured to tilt the second tape head module, and wherein the first tape head module is operable to write data to a tape and the second tape head module is operable to read-verify the data.
2 . The tape head module assembly of claim 1 , wherein the write transducers of the first tape head module are monopole write transducers, and wherein a tip of a write pole of the monopole write transducers has a width of about 150 nm.
3 . The tape head module assembly of claim 1 , wherein the data is written to the tape using perpendicular magnetic recording.
4 . The tape head module assembly of claim 1 , wherein the first actuator is configured to tilt the first tape head module by about 9.5° to about 10.5°, and wherein the second actuator is configured to tilt the second tape head module by about 9.5° to about 10.5°.
5 . The tape head module assembly of claim 1 , wherein the first tape head module is statically tilted about 5° to about 10°, and wherein the second tape head module is statically tilted about 5° to about 10°.
6 . The tape head module assembly of claim 1 , wherein the first actuator comprises a first arm and a second arm, wherein the first and second arms are configured to individually move the first tape head module in a first direction and a second direction opposite the first direction to tilt the first tape head module, wherein the second actuator comprises a third arm and a fourth arm, and wherein the third and fourth arms are configured to individually move the second tape head module in the first direction and the second direction.
7 . The tape head module assembly of claim 6 , wherein the first and second actuators are each individually configured to move in a third direction perpendicular to the first and second directions, and a fourth direction opposite the third direction.
8 . A tape drive comprising the tape head module assembly of claim 1 .
9 . A tape head module assembly, comprising:
a first pair of tape head modules comprising a first write head module and a first read head module disposed adjacent to the first write head module, wherein the first write head module comprises a first row of write transducers, and wherein the first read head module comprises a first row of read transducers;
a first actuator, wherein the first pair of tape head modules is disposed on the first actuator, wherein the first actuator is configured to tilt the first pair of tape head modules, and wherein the first actuator comprises a first arm and a second arm, the first and second arms being configured to individually move the first pair of tape head modules in a first direction and a second direction opposite the first direction to tilt the first pair of tape head modules;
a second pair of tape head modules spaced from the first pair of tape head modules, the second pair of tape head modules comprising a second write head module and a second read head module disposed adjacent to the second write head module, wherein the second write head module comprises a second row of write transducers, and wherein the second read head module comprises a second row of read transducers; and
a second actuator, wherein the second pair of tape head modules is disposed on the second actuator, wherein the second actuator is configured to tilt the second pair of tape head modules, wherein the second actuator comprises a third arm and a fourth arm, and wherein the third and fourth arms are configured to individually move the second pair of tape head modules in the first direction and the second direction, and wherein the first pair of tape head modules is operable to write data to a tape and the second pair of tape head modules is operable to read-verify the data.
10 . The tape head module assembly of claim 9 , wherein the write transducers of the first write head module and the second write head module are monopole write transducers, and wherein a tip of a write pole of the monopole write transducers has a width of about 150 nm.
11 . The tape head module assembly of claim 9 , wherein the data is written to the tape using perpendicular magnetic recording.
12 . The tape head module assembly of claim 9 , wherein the first write head module and the first read head module are bonded together, and wherein the second write head module and the second read head module are bonded together.
13 . The tape head module assembly of claim 9 , wherein the first row of write transducers faces the first row of read transducers, and wherein the second row of write transducers faces the second row of read transducers.
14 . The tape head module assembly of claim 9 , wherein the first row of read transducers faces a back of the first write head module, and wherein the second row of read transducers faces a back of the second write head module.
15 . The tape head module assembly of claim 9 , wherein the first and second actuators are each individually configured to move in a third direction perpendicular to the first and second directions, and a fourth direction opposite the third direction.
16 . A tape drive comprising the tape head module assembly of claim 9 .
17 . A tape drive, comprising:
a tape head module assembly, the tape head module assembly comprising:
a first pair of tape head modules comprising a first write head module and a first read head module disposed adjacent to the first write head module, wherein the first write head module comprises a first row of monopole write transducers, each monopole write transducer having a pole tip width of about 150 nm, and wherein the first read head module comprises a first row of read transducers;
a first actuator, wherein the first pair of tape head modules is disposed on the first actuator, and wherein the first actuator is configured to tilt the first pair of tape head modules;
a second pair of tape head modules spaced from the first pair of tape head modules, the second pair of tape head modules comprising a second write head module and a second read head module disposed adjacent to the second write head module, wherein the second write head module comprises a second row of monopole write transducers, each monopole write transducer having a pole tip width of about 150 nm, and wherein the second read head module comprises a second row of read transducers; and
a second actuator, wherein the second pair of tape head modules is disposed on the second actuator, wherein the second actuator is configured to tilt the second pair of tape head modules, and wherein the first pair of tape head modules is operable to write data to a tape using perpendicular magnetic recording and the second pair of tape head modules is operable to read-verify the data.
18 . The tape drive of claim 17 , wherein the first actuator is configured to tilt the first pair of tape head modules by about 9.5° to about 10.5°, and wherein the first pair of tape head modules is statically tilted about 5° to about 10°.
19 . The tape drive of claim 17 , wherein the second actuator is configured to tilt the second pair of tape head modules by about 9.5° to about 10.5°, and wherein the second pair of tape head modules is statically tilted about 5° to about 10°.
20 . The tape drive of claim 17 , wherein the tape head module assembly is operable to write to data tracks of a tape having a width of about 150 nm.
21 . The tape drive of claim 17 , wherein the first row of write transducers faces the first row of read transducers, and wherein the second row of write transducers faces the second row of read transducers.
22 . The tape drive of claim 17 , wherein the first row of read transducers faces a back of the first write head module, and wherein the second row of read transducers faces a back of the second write head module.
23 . The tape head module assembly of claim 17 , wherein the first actuator comprises a first arm and a second arm, wherein the first and second arms are configured to individually move the first pair of tape head modules in a first direction and a second direction opposite the first direction to tilt the first pair of tape head modules, wherein the second actuator comprises a third arm and a fourth arm, and wherein the third and fourth arms are configured to individually move the second pair of tape head modules in the first direction and the second direction.
24 . The tape head module assembly of claim 23 , wherein the first and second actuators are each individually configured to move in a third direction perpendicular to the first and second directions, and a fourth direction opposite the third direction.
25 . The tape head module assembly of claim 9 , wherein the first actuator is configured to tilt the first pair of tape head modules by about 9.5° to about 10.5°, and wherein the second actuator is configured to tilt the second pair of tape head modules by about 9.5° to about 10.5°.
26 . The tape head module assembly of claim 9 , wherein the first pair of tape head modules is statically tilted about 5° to about 10°, and wherein the second pair of tape head modules is statically tilted about 5° to about 10°.