Magnetic storage device having a head suspension supporting a head slider
View Patent ↗A magnetic storage device, includes a head slider that floats having a designated height against a moving magnetic recording medium and has an element for recording, and a head suspension that supports the head slider and is provided at a head arm, wherein the floating height of the head slider can be adjusted, based on a recording frequency, by a deformation element.
1. A magnetic storage device, comprising:
a head slider that floats having a designated height against a moving magnetic recording medium and has an element for recording; and
a head suspension that supports the head slider and is provided at a head arm,
wherein a deformation element is expanded and contracted by an electric field applied by a pair of electrodes provided at the deformation element, corresponding to a recording frequency, so that the floating height of the head slider can be adjusted.
2. The magnetic storage device as claimed in claim 1 , wherein the deformation element is provided between the head slider and the head suspension.
3. The magnetic storage device as claimed in claim 1 , wherein the deformation element is provided between the head arm and the head suspension.
4. The magnetic storage device as claimed in claim 1 , further comprising:
a control unit configured to control an amount of a deformation of the deformation element.
5. The magnetic storage device as claimed in claim 2 , further comprising:
a control unit configured to control an amount of a deformation of the deformation element.
6. The magnetic storage device as claimed in claim 3 , further comprising:
a control unit configured to control an amount of a deformation of the deformation element.
7. The magnetic storage device as claimed in claim 4 , wherein the control unit is a frequency discrimination circuit.
8. The magnetic storage device as claimed in claim 5 , wherein the control unit is a frequency discrimination circuit.
9. The magnetic storage device as claimed in claim 6 , wherein the control unit is a frequency discrimination circuit.
10. The magnetic storage device as claimed in claim 4 , wherein the control unit includes a filter circuit and a frequency discrimination circuit.
11. The magnetic storage device as claimed in claim 5 , wherein the control unit includes a filter circuit and a frequency discrimination circuit.
12. The magnetic storage device as claimed in claim 6 , wherein the control unit includes a filter Circuit and a frequency discrimination circuit.
13. The magnetic storage device as claimed in claim 1 , wherein the deformation element is selected from a piezoelectric element and an electric strain element.
14. The magnetic storage device as claimed in claim 2 , wherein the deformation element is selected from a piezoelectric element and an electric strain element.
15. The magnetic storage device as claimed in claim 3 , wherein the deformation element is selected from a piezoelectric element and an electric strain element.