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A head stack assembly for use in a disk drive includes a body portion having a bore which defines a pivot axis. The head stack assembly includes an actuator arm body extending from the body portion and defining a longitudinal axis. The actuator arm body rotates about the pivot axis. The head stack a

A head stack assembly for use in a disk drive includes a body portion having a bore which defines a pivot axis. The head stack assembly includes an actuator arm body extending from the body portion and defining a longitudinal axis. The actuator arm body rotates about the pivot axis. The head stack assembly includes a load beam extending from the actuator arm body. The head stack assembly includes a head connected to the load beam. The head stack assembly includes a linear actuator connected to the body portion. The linear actuator expands and contracts. The head stack assembly includes an actuation linkage interposed between the actuator arm body and the load beam. The actuation linkage is connected to the linear actuator element. Selective expansion/contraction of the linear actuator moves the actuation linkage which moves the load beam and the head with a transverse component relative to the longitudinal axis.

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A head stack assembly for use in a disk drive includes a body portion having a bore which defines a pivot axis. The head stack assembly includes an actuator arm body extending from the body portion and defining a longitudinal axis. The actuator arm body rotates about the pivot axis. The head stack a

A head stack assembly for use in a disk drive includes a body portion having a bore which defines a pivot axis. The head stack assembly includes an actuator arm body extending from the body portion and defining a longitudinal axis. The actuator arm body rotates about the pivot axis. The head stack assembly includes a load beam extending from the actuator arm body. The head stack assembly includes a head connected to the load beam. The head stack assembly includes a linear actuator connected to the body portion. The linear actuator expands and contracts. The head stack assembly includes an actuation linkage interposed between the actuator arm body and the load beam. The actuation linkage is connected to the linear actuator element. Selective expansion/contraction of the linear actuator moves the actuation linkage which moves the load beam and the head with a transverse component relative to the longitudinal axis. the data surface. 15. The slider of claim 10 wherein the at least one foot is formed via a deposition technique. 16. The slider of claim 10 wherein the variable hardness of the at least one foot continuously varies as a function of the height from the bearing surface. 17. The slider of claim 10 wherein the at least one foot includes discrete variable hardness layers. 18. A slider comprising: a slider body including a bearing surface; and at least one foot extending from the bearing surface formed of a deposit having a hardness which varies as a function of a height of the deposit from the bearing surface to provide a variable hardness for the at least one foot. 19. The slider of claim 18 wherein a composition of the deposit is varied to provide the variable hardness for the deposit. 20. The slider of claim 19 wherein the variable hardness of the at least one foot decreases as a height of the at least one foot increases from the air bearing. 21. The slider of claim 18 wherein the deposit is a diamond-like carbon having a variable hydrogen content. 22. A method of fabricating a slider comprising steps of: forming an air bearing on a slider body; and forming a variable hardness foot on the air bearing by varying a composition of a deposited material as a function of time. 23. The method of claim 22 wherein the deposited material is a diamond like carbon. 24. The method of claim 23 wherein the composition of the diamond-like carbon is varied by varying a hydrogen content. 25. The method of claim 22 wherein the composition of the deposited material is varied to decrease hardness as a function time.