| 摘要 |
PROBLEM TO BE SOLVED: To provide a head surface test device that can quantitatively obtain the contamination on the magnetic head. SOLUTION: The head surface test device M has a stroboscopic light 1 to illuminate the recording head W1 on the surface of the rotating cylinder S12 while synchronizing with the rotating cycle of the cylinder S12, and a camera 2 to photograph the surface of the recording head W1 illuminated with the stroboscopic light 1. COPYRIGHT: (C)2004,JPO
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