Method of manufacturing a merged MR head

Details Method of manufacturing a merged MR head Method of manufacturing a merged MR head

1998-07-08

2000-11-07

Letscher, George J.

Metal working

Method of mechanical manufacture

Electrical device making

G11B 5127

Patent

active

061418579

ABSTRACT:
A merged MR head is formed by sequentially stacking a lower shield, a lower shield gap, a magnetoresistive (MR) element, an upper shield gap, a lower magnetic pole/upper shield, a recording gap layer, a coil, a coil insulating layer, and an upper magnetic pole on a side surface of a trailing edge of a floating slider having an air bearing surface. This merged MR head includes a pedestal which is formed on a portion on the lower magnetic pole/upper shield, including the air bearing surface, to have a width larger than that of the upper magnetic pole. The upper magnetic pole is stacked on the pedestal through the recording gap layer. A sidewall of the pedestal in the vicinity of the air bearing surface has a notch which is obtained by forming a plane where a sidewall of the upper magnetic pole is present. A method of manufacturing this merged MR head is also disclosed.

REFERENCES:
patent: 5438747 (1995-08-01), Krounbi et al.

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