| 摘要 |
Separate servo parameter values are combined into a single servo parameter value having a bit length shorter than the total bit length of the separate parameter values. The combined parameter value is then stored in a servo field (16) on a storage disk (10). By storing the shorter combined parameter, a given amount of servo information can be stored in a smaller space on the disk (10), thereby reducing overhead. In one embodiment, servo parameters are added together to create the combined parameters. In another embodiment, an equation is provided for creating the combined parameters, that results in a relatively large numerical distance between combined parameters in adjacent servo sectors on a track of the storage disk (10). The combined parameters stored on the disk (10) can be used, for example, to check the accuracy of software position estimators in the disk drive.
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