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AssigneeInternational Business Machines Corporation
InventorsHal Hjalmar Ottesen, Gordon James Smith, Molly Smith, Sri M. Sri-Jayantha
Estimating the term…
A slider having leading and trailing edges is configured to fly on an airbearing adjacent a data storage disk rotating from the leading edge to the trailing edge. Read and write heads are mounted on the slider proximate the trailing edge. An auxiliary thermal sensor is mounted on the slider, but preferably nearer the leading edge. Forward placement of the sensor allows it to sense mechanical defects before they reach the heads, thereby permitting a write inhibit operation, for example. The sensor may also be used to detect airbearing modulation. Appropriate action may be taken when unacceptable airbearing modulation is detected, such as notifying the user and/or scrubbing the slider. The sensor is preferably wider than the heads. This allows, for example, an in-situ glide test to be performed faster using the sensor. An arm electronics module is preferably configured to permit concurrent operation of the sensor and heads.
A method for look-ahead thermal sensing during writing in a data storage device, the data storage device having a slider with a leading edge and a trailing edge, the slider being configured to fly on an airbearing adjacent a data storage disk rotating from the leading edge to the trailing edge, comprising the steps of:
A method for look-ahead thermal sensing during reading in a data storage device, the data storage device having a slider with a leading edge and a trailing edge, the slider being configured to fly on an airbearing adjacent a data storage disk rotating from the leading edge to the trailing edge, comprising the steps of:
A glide testing method for thermally sensing disk defects in a data storage device, the data storage device having a slider configured to fly on an airbearing adjacent a rotating data storage disk, comprising the steps of:
A method of thermally sensing slider airbearing modulation in a data storage device, the data storage device having a slider configured to fly on an airbearing adjacent a rotating data storage disk, comprising the steps of:
Dependencies are inferred from the claim text.