Patent ID: 7429857
Filing Date: 2008-09-30
Classification: G11B

Abstract:
1. A magnetic head and disk tester, comprising: A. a base having a support assembly which rotatably supports a magnetic disk, said disk rotatable about an axis of rotation A; B. a movable carriage supported by said base, said carriage having a magnetic head support for supporting a magnetic head with a magnetic read/write element, said magnetic head support having a longitudinal axis; and C. positioning means for moving said carriage with said magnetic head with respect to said magnetic disk along two perpendicular motion axes X and Y, wherein said longitudinal axis of the head and said X axis forms a predetermined angle between 0 degrees and 90 degrees, and wherein the ranges motion of the carriage along the X and Y axes are limited such that the magnetic head has a radial distance of closest approach S to axis of rotation A, and wherein S>0.