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

Claim 12:
13. 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, the first surface being disposed parallel to the media facing surface; and
at least one outer portion disposed adjacent to the central portion, wherein:
the recessed edge comprises one or more steps from the central portion to the at least one outer portion,
each of the one or more steps comprises a first surface disposed substantially parallel to the media facing surface and a second surface coupled to the first surface,
the at least one outer portion has a second throat height defined between the first surface of a first step of the one or more steps and the media facing surface, and
the first throat height is greater than the second throat height such that the trailing shield is tapered along the recessed edge in a cross-track direction from the central portion towards the at least one outer portion.