Funneled trench AAB increased contact stiffness and enhanced take-off performance

A slider for supporting a transducing head proximate a rotating disc, the slider comprising:

• a slider body having a disc opposing face bounded by a leading edge, a trailing edge, and first and second side edges, the slider body having a longitudinal axis;
• an air bearing surface defined on the disc opposing face, the air bearing surface having at least one pad behind the leading edge;
• a cavity positioned on the disc opposing face, wherein the cavity is recessed from the air bearing surface at a cavity depth, at least a portion of the cavity preceding the pad;
• and
• a funnel directing air flow within the cavity from the leading edge to the pad, the funnel extending from the pad.

A slider for supporting a transducing head proximate a rotating disc, the slider comprising:

• a slider body having a disc opposing face bounded by a leading edge, a trailing edge, and first and second side edges, the slider body having a longitudinal axis;
• an air bearing surface defined on the disc opposing face, the air bearing surface having at least one pad behind the leading edge;
• a cavity positioned on the disc opposing face, wherein the cavity is at a cavity depth recessed from the air bearing surface, at least a portion of the cavity preceding the pad;
• at least one trench positioned adjacent to the pad, the trench recessed from the air bearing surface at a step depth;
• and
• a first arm and a second arm for funneling air flow within the cavity from the leading edge to the trench wherein the first arm and the second arm extend from the pad.

A slider for supporting a transducing head proximate a rotating disc, the slider comprising:

• a slider body having a disc opposing face bounded by a leading edge, a trailing edge, and first and second side edges, the slider body having a longitudinal axis;
• an air bearing surface defined on the disc opposing face, the air bearing surface having at least one pad behind the leading edge;
• a cavity positioned on the disc opposing face, wherein the cavity is recessed from the air bearing surface at a cavity depth, at least a portion of the cavity preceding the pad;
• and
• a funnel directing air flow within the cavity from the leading edge to the pad wherein the funnel is recessed from the air bearing surface at a step depth.

A slider for supporting a transducing head proximate a rotating disc, the slider comprising:

• a slider body having a disc opposing face bounded by a leading edge, a trailing edge, and first and second side edges, the slider body having a longitudinal axis;
• an air bearing surface defined on the disc opposing face, the air bearing surface having at least one pad behind the leading edge;
• a cavity positioned on the disc opposing face, wherein the cavity is recessed from the air bearing surface at a cavity depth, at least a portion of the cavity preceding the pad;
• and
• a funnel directing air flow within the cavity from the leading edge to the pad, the funnel comprising a first arm extending from the pad and a second arm extending from the pad wherein each arm has a frontside, the frontside of the first arm extending relative to the longitudinal axis at a positive angle greater than zero degrees and less than 90 degrees and the frontside of the second arm extending relative to the longitudinal axis at a negative angle greater than zero degrees and less than 90 degrees.

A slider for supporting a transducing head proximate a rotating disc, the slider comprising:

• a slider body having a disc opposing face bounded by a leading edge, a trailing edge, and first and second side edges, the slider body having a longitudinal axis;
• an air bearing surface defined on the disc opposing face, the air bearing surface having at least one pad behind the leading edge;
• a plurality of trenches positioned on the pad, the trenches are recessed from the air bearing surface;
• a cavity positioned on the disc opposing face, wherein the cavity is recessed from the air bearing surface at a cavity depth, at least a portion of the cavity preceding the pad;
• and
• a funnel directing air flow within the cavity from the leading edge to the pad.