| abstract |
(57) [Abstract] [Purpose] For a contact start stop (CSS) type magnetic head slider, to further stabilize the operation at the start and stop of flying. A rail surface (3b, 3c) for generating buoyancy due to rotation of a magnetic medium (13), a first protrusion (6b) formed near the air flow inflow end of the rail surface (3b, 3c), and the rail surface (3b). , 3c, second and third protrusions 6a formed near the outflow end of the air flow. |