Title:
磁気ディスク用グライドヘッド
Document Type and Number:
Japanese Patent JP3601780
Kind Code:
B2
Abstract:
A glide head for inspecting an asperity, protrusion, or foreign material on a magnetic disk is disclosed. The glide head has a slider to be floated up to a predetermined height on the magnetic disk in accordance with the rotation of the disk. The slider has two substantially parallel rails protruding from the air-bearing surface of the slider and a sensitive rail protruding downward separately from the two substantially parallel rails. The two substantially parallel rails float the glide head and extend from the leading end of the slider toward the trailing end of it. The sensitive rail is located at the trailing end of the slider rather than trailing ends of the two substantially parallel rails. It is preferable that the area of the sensitive rail is the half of or less than the total area of the two substantially parallel rails. Because the gap between the slider and the magnetic disk is minimized at the trailing end of the sensitive rail, an asperity, protrusion, or contaminant on the magnetic disk is detected by the sensitive rail.
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Inventors:
Susumu Matsui
Takeshi Sato
Takeshi Sato
Application Number:
JP2000303692A
Publication Date:
December 15, 2004
Filing Date:
October 03, 2000
Export Citation:
Assignee:
Hitachi Metals Co., Ltd.
International Classes:
G11B5/60; G11B5/84; G11B21/21; G11B5/82; G11B33/10; (IPC1-7): G11B5/60; G11B5/84; G11B21/21
Domestic Patent References:
| JP6052645A | ||||
| JP58118904A | ||||
| JP7326149A | ||||
| JP58153270A | ||||
| JP3176805A |
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