Lapping control sensor for magnetoresistive effect head, lapping

Details Lapping control sensor for magnetoresistive effect head, lapping Lapping control sensor for magnetoresistive effect head, lapping

1998-08-06

2000-07-04

Scherbel, David A.

Abrading

Precision device or process - or with condition responsive...

Computer controlled

29603, B24B 4900

Patent

active

060830816

ABSTRACT:
A lapping control sensor for a MR head includes a multi-layered structure of a metallic layer, an insulation layer, a resister layer and a lead conductor layer, and being provided in parallel with the MR head which has a multi-layered structure of at least a lower shield layer, a shield gap insulation layer, a MR layer and a lead conductor layer is provided. The insulation layer of the lapping control sensor has a thickness larger than that of the shield gap insulation layer of the MR head. The thickness of the insulation layer of the sensor is 0.1 .mu.m or more.

REFERENCES:
patent: 4689877 (1987-09-01), Church
patent: 5023991 (1991-06-01), Smith
patent: 5479308 (1995-12-01), Voegeli et al.
patent: 5894385 (1999-04-01), Gill et al.

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