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    • 68. 发明申请
    • SERVO PATTERN WRITING METHOD, CONTROL CIRCUIT, AND MAGNETIC DISK APPARATUS
    • 伺服图案写入方法,控制电路和磁盘设备
    • US20110026160A1
    • 2011-02-03
    • US12902335
    • 2010-10-12
    • Nobuyuki Suzuki
    • Nobuyuki Suzuki
    • G11B5/596
    • G11B5/59688G11B5/59633G11B5/59638G11B5/59661G11B5/59666
    • According to one embodiment, a servo pattern writing method includes: moving a head from a first one of innermost and outermost circumferences of a medium to the remainder other than the first one while controlling a position of the head in accordance with a temporary pattern preliminarily written on the medium; calculating a junction between a servo pattern to be written from the innermost circumference and a servo pattern to be written from the outermost circumference based on a movement distance of the head; first writing the servo pattern from a second one of the innermost and outermost circumferences to the junction, while controlling the position of the head in accordance with the temporary pattern; and second writing the servo pattern from the remainder other than the second one to the junction, while controlling the position of the head in accordance with the temporary pattern.
    • 根据一个实施例,一种伺服图案写入方法包括:将头部从介质的最内周和最外周的第一个移动到除第一个之外的其余部分,同时根据预先写入的临时图案来控制头部的位置 在媒体上 基于头部的移动距离计算要从最内圆周写入的伺服图案与要从最外圆周写入的伺服图案之间的结点; 首先将伺服图案从最内周和最外周的第二圆周写入结,同时根据临时图案控制头的位置; 并且将伺服图案从除了第二个之外的其余部分写入结点,同时根据临时图案控制头部的位置。