Pedestal defined zero throat writer having a recessed pedestal
AssigneeWestern Digital (Fremont), LLC
InventorsDavid J. Seagle, Qing (Leslie) He, G. Vinson Kelley
Life of this patent
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Abstract
A method and system for providing a pedestal defined zero throat write head is disclosed. The method and system include providing a first pole having a pedestal, providing a gap and providing a second pole. The first pole has a pedestal. The gap separates the pedestal of the first pole from a portion of the second pole. The pedestal has a front, a back, a top and a bottom. The back of the pedestal has a recess therein, which runs from the top of the pedestal to the bottom of the pedestal.
Claims11
A pedestal defined zero throat write head comprising:
- a first pole having a pedestal, the pedestal having a front, a back, a top and a bottom, the back of the pedestal having a recess therein, the recess running from the top of the pedestal to the bottom of the pedestal;
- a second pole;
- a gap separating the pedestal of the first pole from a portion of the second pole;
- wherein the second pole has a bottom surface, a portion of the bottom surface extending over the pedestal and along the gap beyond the back of the pedestal and being substantially flat such that a zero throat height of the write head is defined by the pedestal.
A method for providing pedestal defined zero throat write head comprising the steps of:
- (a) providing a first pole having a pedestal, the pedestal having a front, a back, a top and a bottom, the back of the pedestal having a recess therein, the recess running from the top of the pedestal to the bottom of the pedestal;
- (b) providing a gap above the pedestal;
- (c) providing a second pole, the gap separating the pedestal from a portion of the second pole;
- wherein the second pole providing step (c) further includes the step of:
- (c1) providing the second pole such that the second pole has a bottom surface, a portion of the bottom surface extending over the pedestal and along the gap beyond the back of the pedestal and being substantially flat such that a zero throat height of the write head is defined by the pedestal.
Dependencies are inferred from the claim text.