Manufacturing method of flying magnetic head slider

Details Manufacturing method of flying magnetic head slider Manufacturing method of flying magnetic head slider

2007-10-16

2007-10-16

Kim, Paul D. (Department: 3729)

Metal working

Method of mechanical manufacture

Electrical device making

C029S417000, C029S603130, C029S603150, C029S603180, C216S022000, C216S038000, C216S041000, C360S235400, C360S234300, C360S236500, C360S294700, C427S127000, C427S128000, C451S005000, C451S041000

Reexamination Certificate

active

10885745

ABSTRACT:
A manufacturing method of a flying magnetic head slider includes a step of providing a substrate with a plurality of inductive write head elements formed thereon, each head element having a pair of magnetic poles facing to each other via a magnetic gap, and with a protection layer covering the plurality of inductive write head elements, a step of cutting the substrate to separate into a plurality of bar members, each of the bar members having aligned inductive write head elements, a step of processing the protection layer of each bar member so that a distance from an end edge of the pair of magnetic poles to an edge of a bottom surface of the bar member becomes in a range of 1 to 15 μm, a step of lapping each bottom surface of the bar member, and cutting each bar member to separate into a plurality of individual magnetic head sliders.

REFERENCES:
patent: 5104483 (1992-04-01), Takeya
patent: 6301079 (2001-10-01), Hanamoto et al.
patent: 6428715 (2002-08-01), Abels et al.

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