Magnetic head slider testing apparatus and magnetic head...

Details Magnetic head slider testing apparatus and magnetic head... Magnetic head slider testing apparatus and magnetic head...

2008-04-08

2008-04-08

Aurora, Reena (Department: 2862)

Electricity: measuring and testing

Magnetic

Magnetic information storage element testing

Reexamination Certificate

active

11485983

ABSTRACT:
In the present invention, a coil generating DC magnetic field applied to a magnetic head is divided into two in that a first coil and a second coil, which are provided on a frame shape core. An distance of an air gap is shortened, a slider head is held on a table having a top end portion of thin thickness, while advancing and retreating the table in the direction perpendicular to the core, the head slider is inserted into the air gap from the lateral direction. Thereby, the distance of the air gap is reduced to about half of the conventional one and a reduction of inductance of the first coil and the second coil is realized.

REFERENCES:
patent: 5517111 (1996-05-01), Shelor
patent: 6486660 (2002-11-01), Luse et al.
patent: 6667614 (2003-12-01), McMahon et al.
patent: 6943545 (2005-09-01), Patland et al.
patent: 10-124828 (1995-05-01), None
patent: 2000-260012 (2000-09-01), None

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