Head slider for magnetic disk drive, having side rails with gradually increasing width forming a shallow recess
AssigneeFujitsu Limited
InventorSeizi Yoneoka
Life of this patent
Estimating the term…
Abstract
A head slider for a magnetic disk drive device includes at least a pair of side rails having a surface mating with a magnetic disk, which surface is substantially flat or slightly curved. The side rails define a shallow recess having a width which is gradually increased from an air inlet side to an air outlet side, and a suction force or floating force is generated within the recess. As a result, a taperless slider having a high durability and flying stability and free from an accumulation and deposition of organic vapor is realized.
Claims36
A magnetic head slider for mounting a magnetic head for writing data into and reading data from a rotating magnetic disk in a magnetic disk drive device, comprising:
- a base member having a surface mating with said magnetic disk, the entire area of said surface being flat;
- a pair of side rails formed on said surface mating with said magnetic disk, for generating a floating force and having end surfaces, the width of each of said side rails being gradually increased from an air inlet end from which air is introduced toward an air outlet end from which the air is discharged, and subsequently being gradually reduced toward said air outlet end;
- and
- a shallow recess defined between said side rails on said base member and forming a negative pressure generating region having a width which is gradually increased from the air inlet end to the air outlet end.
A magnetic head slider for mounting a magnetic head for writing data into and reading data from a rotating magnetic disk in a magnetic disk drive device, comprising:
- a base member having a surface mating with said magnetic disk, the entire area of said surface being flat:
- a pair of side rails formed on said surface mating with said magnetic disk, for generating a floating force, and having end surfaces, the width of each of said side rails being gradually increased from an air inlet end from which air is introduced toward an air outlet end from which the air is discharged, subsequently being gradually increased to said air outlet end;
- and
- a shallow recess defined between said side rails on said base member, the width thereof being gradually reduced at the air inlet end thereof and subsequently gradually increased toward said air outlet end to thereby form a negative pressure generating region, and thereafter gradually reduced at said air outlet end.
A magnetic head slider for mounting a magnetic head for writing data into and reading data from a rotating magnetic disk in a magnetic disk drive device, comprising:
- a base member having a surface mating with said magnetic disk, the entire area of said surface being slightly curved in an air flow direction;
- a pair of side rails formed on said surface mating with said magnetic disk, for generating a floating force and having end surfaces, the width of each of said side rails being gradually increased from an air inlet end from which air is introduced toward an air outlet end from which the air is discharged, and subsequently being gradually reduced toward said air outlet end;
- and
- a shallow recess defined between said side rails on said base member and forming a negative pressure generating region having a width which is gradually increased from the air inlet end to the air outlet end.
A magnetic head slider for mounting a magnetic head for writing data into and reading data from a rotating magnetic disk in a magnetic disk drive device, comprising:
- a base member having a surface mating with said magnetic disk, the entire area of said surface being slightly curved in an air flow direction;
- a pair of side rails formed on said surface mating with said magnetic disk, for generating a floating force and having end surfaces, the width of each of said side rails being gradually increased from an air inlet end from which air is introduced toward an air outlet end from which the air is discharged, subsequently being gradually increased to said air outlet end;
- and
- a shallow recess defined between said side rails on said base member, the width thereof being gradually reduced at the air inlet end thereof and subsequently gradually increased toward said air outlet end to thereby form a negative pressure generating region, and thereafter gradually reduced at said air outlet end.
Dependencies are inferred from the claim text.