| 摘要 |
PROBLEM TO BE SOLVED: To provide a thin-film magnetic head that can suppres deterioration in a reproducing device and occurrence of errors due to crosstalk between a recording device and the reproducing device and external noises, and to provide a magnetic head device and a magnetic disk device. SOLUTION: A parasitic capacity C4 generated between a slider substrate 1 and a 1st shield layer 31 by using a 1st insulating layer 16 as a capacitor layer is substantially equal to a parasitic capacity C2 generated between a lower magnetic layer 21 and a 2nd shield layer 33 by using a 3rd insulating layer 34 as a capacitor layer. The lower magnetic layer and the slider substrate 1 are connected by a resistance R1 of, preferably, 100 (Ω) or lower. COPYRIGHT: (C)2007,JPO&INPIT
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