Advanced air bearing slider

1. An apparatus comprising a transducing head mounted to a slider, the slider suspended above a magnetic data storage medium, the slider having a variable depth region continuously contacting a central rail wall from a first wall to a trailing edge wall, the variable depth region comprising a floor region and a curvilinear region, the floor region defined by a linear surface, the curvilinear region defined by a first continuously curvilinear surface contacting a second continuously curvilinear surface, the first continuously curvilinear surface having a first variable depth continuously extending to greater than a uniform depth from an air bearing surface, the second continuously curvilinear surface having a second variable depth continuously extending to less than the uniform depth.

2. The apparatus of claim 1 , wherein the linear surface contacts the central rail wall, first wall, and trailing edge wall.

3. The apparatus of claim 1 , wherein the linear surface has a uniform depth from the air bearing surface of the slider.

4. The apparatus of claim 1 , wherein the linear surface is aligned with and parallel to the uniform depth from the air bearing surface.

5. The apparatus of claim 1 , wherein the first consistently curvilinear surface and second consistently curvilinear surface collectively extend to less than a distance from the trailing edge wall to the first wall.

6. The apparatus of claim 1 , wherein the first consistently curvilinear surface and second consistently curvilinear surface each continually contact the central rail wall.

7. The apparatus of claim 1 , wherein the variable depth region comprises a combination of continuously linear and continuously curvilinear surfaces.

8. The apparatus of claim 1 , wherein the second consistently curvilinear surface is positioned between the first consistently curvilinear surface and the trailing edge wall.

9. The apparatus of claim 8 , wherein the second consistently curvilinear surface contacts the trailing edge wall.

10. The apparatus of claim 1 , wherein the linear surface contacts and extends from the first wall.

11. A data storage device comprising a transducing head mounted to a slider, the slider suspended above a magnetic data storage medium, the slider having a first variable depth region continuously contacting a central rail wall from a first wall to a trailing edge wall and a second variable depth region continuously contacting a leading edge wall, the first variable depth region comprising a floor region and a curvilinear region, the floor region defined by a first linear surface, the curvilinear region defined by a first continuously curvilinear surface contacting a second continuously curvilinear surface, the first continuously curvilinear surface having a first variable depth continuously extending to greater than a uniform depth from an air bearing surface, the second continuously curvilinear surface having a second variable depth continuously extending to less than the uniform depth.

12. The data storage device of claim 11 , wherein the second variable depth region comprises a second linear surface positioned below the uniform depth, as measured from a uniform elevation of the central rail wall, first wall, and leading edge wall.

13. The data storage device of claim 12 , wherein the second variable depth region comprises a third linear surface aligned with the uniform depth.

14. The data storage device of claim 11 , wherein the slider has a third variable depth region continuously contacting the central rail and separated from the first variable depth region by a stabilizing wall.

15. The data storage device of claim 14 , wherein the third variable depth region comprises a second linear surface positioned below the uniform depth, as measured from a uniform elevation of the central rail wall, first wall, and stabilizing wall.

16. The data storage device of claim 15 , wherein the third variable depth region comprises a third linear surface aligned with the uniform depth.

17. The data storage device of claim 14 , wherein the first variable depth region is separated from the third variable depth region by the second variable depth region.

18. The data storage device of claim 11 , wherein the first consistently curvilinear surface and second consistently curvilinear surface are each positioned only in the first variable depth region.

19. The data storage device of claim 11 , wherein the first and second consistently curvilinear surfaces are symmetric about and on opposite sides of a floor plane aligned with the uniform depth, as measured from a uniform elevation of the central rail wall, first wall, and leading edge wall.

20. The data storage device of claim 11 , wherein the first variable depth region has multiple linear surfaces.