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US 9,431,044 B1Granted
Slider having shock and particle resistance
AssigneeWestern Digital (Fremont), LLC
InventorsBiao Sun, Eric T. Sladek
Life of this patent
Estimating the term…
Abstract
A slider for a hard disk includes a leading structure having a first air bearing surface portion, a trailing structure having a second air bearing surface portion, and a cavity between the leading structure and the trailing structure. The leading structure has one or more interior walls defining a pit therein. A hard disk drive includes a rotatable magnetic recording disk and the slider.
Claims28
A slider for a hard disk drive comprising:
- a leading edge and an opposing trailing edge;
- a leading structure comprising a leading pad having a first air bearing surface portion;
- a first step between the leading edge and the leading pad;
- a trench between the leading edge and the first step;
- a trailing structure having a second air bearing surface portion;
- a cavity between the leading structure and the trailing structure;
- a second step between the leading pad and the cavity, a portion of the second step being defined by a recessed wall recessed relative to the first air bearing surface portion;
- a third step between the leading edge and the leading pad;
- and
- a second trench between the leading edge and the third step,
- wherein the leading structure has one or more interior walls defining a pit therein, and
- wherein the recessed wall defines a portion of the pit.
9 more elements
A slider for a hard disk drive comprising:
- a leading edge and an opposing trailing edge;
- a leading structure comprising a leading pad having a first air bearing surface portion;
- a first step between the leading edge and the leading pad;
- a trench between the leading edge and the first step;
- a trailing structure having a second air bearing surface portion, the trailing structure comprising at least one stepped cavity having a first portion and a second portion, wherein the first portion is more recessed relative to the second air bearing surface portion than the second portion;
- a cavity between the leading structure and the trailing structure;
- and
- a second step between the leading pad and the cavity, a portion of the second step being defined by a recessed wall recessed relative to the first air bearing surface portion,
- wherein the leading structure has one or more interior walls defining a pit therein, and
- wherein the recessed wall defines a portion of the pit.
7 more elements
A hard disk drive comprising:
- a rotatable magnetic recording disk;
- and
- a slider for use with the magnetic recording disk, the slider comprising:
- a leading edge and an opposing trailing edge;
- a leading structure comprising a leading pad having a first air bearing surface portion;
- a first step between the leading edge and the leading pad;
- a trench between the leading edge and the first step;
- a trailing structure having a second air bearing surface portion;
- a cavity between the leading structure and the trailing structure;
- and
- a second step between the leading pad and the cavity, a portion of the second step being defined by a recessed wall recessed relative to the first air bearing surface portion;
- a third step between the leading edge and the first air bearing surface portion;
- and
- a second trench between the leading edge and the third step,
- wherein the leading structure has one or more interior walls defining a pit therein, and
- wherein the recessed wall defines a portion of the pit.
13 more elements
A hard disk drive comprising:
- a rotatable magnetic recording disk;
- and
- a slider for use with the magnetic recording disk, the slider comprising:
- a leading edge and an opposing trailing edge;
- a leading structure comprising a leading pad having a first air bearing surface portion;
- a first step between the leading edge and the leading pad;
- a trench between the leading edge and the first step;
- a trailing structure having a second air bearing surface portion, the trailing structure comprising at least one stepped cavity having a first portion and a second portion, and wherein the first portion is more recessed relative to the second air bearing surface portion than the second portion;
- a cavity between the leading structure and the trailing structure;
- and
- a second step between the leading pad and the cavity, a portion of the second step being defined by a recessed wall recessed relative to the first air bearing surface portion,
- wherein the leading structure has one or more interior walls defining a pit therein, and
- wherein the recessed wall defines a portion of the pit.
10 more elements
A slider for a hard disk drive comprising:
- a leading edge and an opposing trailing edge;
- a first lateral edge extending from the leading edge to the trailing edge;
- a second lateral edge extending from the leading edge to the trailing edge, the second lateral edge opposing the first lateral edge;
- a width extending from the first lateral edge to the second lateral edge along a lateral axis,
- a leading structure comprising a leading pad having a first air bearing surface portion;
- a first step between the leading edge and the leading pad;
- a trench between the leading edge and the first step;
- a trailing structure having a second air bearing surface portion;
- a cavity between the leading structure and the trailing structure;
- and
- a second step between the leading pad and the cavity, a portion of the second step being defined by a recessed wall recessed relative to the first air bearing surface portion,
- wherein the leading structure has one or more interior walls defining a pit therein,
- wherein the recessed wall defines a portion of the pit, and
- wherein the pit is approximately centered along the width.
11 more elements
A hard disk drive comprising:
- a rotatable magnetic recording disk;
- and
- a slider for use with the magnetic recording disk, the slider comprising:
- a leading edge and an opposing trailing edge;
- a first lateral edge extending from the leading edge to the trailing edge;
- a second lateral edge extending from the leading edge to the trailing edge, the second lateral edge opposing the first lateral edge;
- a width extending from the first lateral edge to the second lateral edge along a lateral axis,
- a leading structure comprising a leading pad having a first air bearing surface portion;
- a first step between the leading edge and the leading pad;
- a trench between the leading edge and the first step;
- a trailing structure having a second air bearing surface portion;
- a cavity between the leading structure and the trailing structure;
- and
- a second step between the leading pad and the cavity, a portion of the second step being defined by a recessed wall recessed relative to the first air bearing surface portion,
- wherein the leading structure has one or more interior walls defining a pit therein,
- wherein the recessed wall defines a portion of the pit, and
- wherein the pit is approximately centered along the width.
14 more elements
Dependencies are inferred from the claim text.