Method of forming a magnetoresistive device

Details Method of forming a magnetoresistive device Method of forming a magnetoresistive device

2005-09-20

2005-09-20

Tugbang, A. Dexter (Department: 3729)

Metal working

Method of mechanical manufacture

Electrical device making

C029S417000, C029S603130, C029S603150, C029S603160, C029S605000, C029S606000, C360S125330, C360S317000, C451S005000, C451S041000

Reexamination Certificate

active

06944938

ABSTRACT:
A method of forming a head comprises forming a write transducer on a wafer, cutting the wafer to produce a slider bar with a cut surface, and planarizing the cut surface of the slider bar. Forming the write transducer can include forming a first pole layer and forming a first pole pedestal layer over the first pole layer, where the first pole pedestal layer includes a tapered portion defined by a first end having a nose width less than a desired final nose width, and a second end having a zero throat width greater than the desired final nose width. Planarizing the cut surface of the slider bar exposes the first pole pedestal layer until a width thereof approximately equals the desired final nose width.

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“Precision machining of rigid disk head sliders”; Gatzen, H.H.; Maetzig, J.C.; Schwabe, M.K.; IEEE Transactions on Magnetics, vol. 32, Issue 3, May 1996, pp. 1843-1849.

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