| 摘要 |
An angle theta1 made between a supporting surface S of a slider and an imaginary plane C in which a first border line and a second border line of a tapered surface lie, and an angle theta2 made between the supporting surface S of the slider and an imaginary plane D in which a first border line and a second border line of a tapered surface lie, respectively fall within a range of not less than 5 degrees but not more than 14 degrees.
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