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US 5,859,748 AGranted
Magnetic head device including an improved slider shape
AssigneeKabushiki Kaisha Toshiba
InventorJun Itoh
Life of this patent
Estimating the term…
Abstract
A magnetic head device for reading information from or writing information to a rotating magnetic recording medium includes a magnetic pole for reading information from or writing information to the medium and a slider for supporting the magnetic pole and moving the magnetic pole on the medium. The slider includes a contact portion for supporting the magnetic pole, and keeping the magnetic pole in contact with the medium, a positioned member flying above the medium, the flying member having a first surface where dynamic pressure generated by fluid-flow caused by rotation of the medium, and a connecting member having a mass less than that of the flying member, the connecting member connecting between the contact portion and the flying member.
Claims10
A magnetic head device for reading information from or writing information to a rotating magnetic recording medium comprising:
- a magnetic pole for reading the information from or writing the information to the medium;
- and
- a slider for supporting said magnetic pole and for moving said magnetic pole on the medium, said slider including
- a contact portion for maintaining contact between said magnetic pole and the medium, the contact portion being joined directly to said magnetic pole,
- a flying member for flying above the medium when the magnetic pole moves on the medium, the flying member having a surface for facing the medium, the surface having a length in a rotating direction of the medium short enough to accomplish low pitching stiffness, the surface having a width in a direction perpendicular to the rotating direction of the mediums, and
- a connecting member being coupled between the contact portion and the flying member, the connecting member having a length in the rotating direction of the medium long enough to maintain a desired level of contact force between the magnetic pole and the medium, the connecting member having a width in the direction perpendicular to the rotating direction of the medium, the width of the connecting member being less than the width of the surface of the flying member,
- wherein a dynamic pressure generated by fluid-flow caused by rotation of the medium and acting on the slider is applied mainly to the surface of the flying member.
4 more elements
A magnetic disk drive comprising:
- a magnetic recording disk;
- a rotating device for rotating said disk;
- and
- a magnetic head device including
- a magnetic pole for reading the information from or writing the information to the disk;
- and
- a slider for supporting said magnetic pole and for moving said magnetic pole on the disk, said slider including
- a contact portion for maintaining contact between said magnetic pole and the disk, the contact portion being joined directly to said magnetic pole,
- a flying member for flying above the disk when the magnetic pole moves on the disk, the flying member having a surface for facing the disk, the surface having a length in a rotating direction of the disk short enough to accomplish low pitching stiffness, the surface having a width in a direction perpendicular to the rotating direction of the disk, and
- a connecting member being coupled between the contact portion and the flying member, the connecting member having a length in the rotating direction of the disk long enough to maintain a desired level of contact force between the magnetic pole and the medium, the connecting member having a width in the direction perpendicular to the rotating direction of the disk, the width of the connecting member being less than the width of the surface of the flying member,
- wherein a dynamic pressure generated by fluid-flow caused by rotation of the disk and acting on the slider is applied mainly to the surface of the flying member.
8 more elements
A magnetic head device for reading information from or writing information to a rotating magnetic recording medium, comprising:
- a magnetic pole for reading the information from or writing the information to the medium;
- and
- a slider for supporting said magnetic pole and for moving said magnetic pole on the medium said slider including
- a contact portion for maintaining contact between the magnetic pole and the medium, the contact portion being joined directly to said magnetic pole,
- a flying member for flying above the medium when the magnetic pole moves on the medium, the flying member having a surface for facing the medium, the surface having a length in a rotating direction of the medium and a width in a direction perpendicular to the rotating direction of the medium and along the surface of the flying member, the width being greater than the length, and
- a connecting member rigidly joined between the contact portion and flying member, the connecting member having a width in a direction perpendicular to the rotating direction of the medium, the width of the connecting member being less than the width of the surface of the flying member,
- wherein dynamic pressure generated by fluid-flow caused by rotation of the medium and acting on the slider is applied mainly to the surface of the flying member.
4 more elements
A magnetic disk drive comprising:
- a magnetic recording disk;
- a rotating device for rotating said disk;
- and
- a magnetic head device including
- a magnetic pole for reading information from or writing information to the disk, and
- a slider for supporting said magnetic pole and for moving said magnetic pole on the disk, said slider including
- a contact portion for maintaining contact between the magnetic pole, and the disk, the contact portion being joined directly to said magnetic pole
- a flying member for flying above the disk when the magnetic pole moves on the disk, the flying member having a surface for facing the disk, the surface having a length in a rotating direction of the disk and a width in a direction perpendicular to the rotating direction of the disk and along the surface of the flying member, the width being greater than the length, and
- a connecting member rigidly joined between the contact portion and the flying member, the connecting member having a width in a direction perpendicular to the rotating direction of the disk, the width of the connecting member being less than the width of the surface of the flying member,
- wherein dynamic pressure generated by fluid-flow caused by rotation of the disk and acting on the slider is applied mainly to the surface of the flying member.
7 more elements
A magnetic head device for reading information from or writing information to a rotating magnetic recording medium, comprising:
- a magnetic pole for reading the information from or writing the information to the medium;
- and
- a slider for supporting said magnetic pole and for moving said magnetic pole on the medium, said slider including
- a contact portion for maintaining contact between said magnetic pole and the medium, the contact portion being joined directly to said magnetic pole.
1 more element
Dependencies are inferred from the claim text.