Patent ID: 7791842
Filing Date: 2010-09-07
Classification: G11B

Abstract:
1. A magnetic read-write head, comprising: a perpendicular magnetic writer having a width; magnetic reader and writer shields on opposing sides of a read head and of a write head; each shield having a single pair of opposing vertical edges that are normal to an ABS (air bearing surface); a topmost edge that is a single straight line connecting said single pair of opposing vertical edges each shield having a magnetically soft tab extending away from each of its vertical edges, said tabs having, at said vertical edge, a height that is less than that of their associated shield, and a lowest edge; and said lowest edge further comprising a centrally located ABS and an outer portion that angles upwards from said centrally located ABS at a constant slope towards a vertical edge of said tab wherein said lowest edge forming said centrally located ABS is continuous and smoothly merges with the sloped outer portion.