Patent ID: 11894028
Assignee: WESTERN DIGITAL TECHNOLOGIES, INC.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 19:
20. A magnetic recording device comprising a magnetic recording head, the magnetic recording head comprising:
a main pole; and
a trailing shield disposed adjacent to the main pole, the trailing shield comprising:
a recessed edge disposed adjacent to the main pole;
a media facing surface disposed opposite the recessed edge, the media facing surface being substantially planar;
a central portion disposed adjacent to the main pole having a first throat height defined between a first surface of the recessed edge and the media facing surface;
a first outer portion disposed adjacent to the central portion, the first outer portion having a second throat height defined between a second surface of the recessed edge and the media facing surface, wherein the second throat height is less than the first throat height; and
a second outer portion disposed adjacent to the central portion opposite to the first outer portion, the second outer portion having a third throat height defined between a third surface of the recessed edge and the media facing surface, wherein the third throat height is less than the first throat height, and wherein the trailing shield is tapered along the recessed edge in a cross-track direction from the central portion towards the first and second outer portions.