Patent classifications
G
PHYSICS
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G11
INFORMATION STORAGE
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G11B
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
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5/00
Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
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G11B5/48
Disposition or mounting of heads; or head supports; relative to record carriers; ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
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G11B5/49
Fixed mounting; or arrangements, e.g. one head per track
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G11B5/4961

MAGNETIC DISK DEVICE AND METHOD OF CONTROLLING THE SAME
20240312479 · 2024-09-19 ·

According to one embodiment, a magnetic disk device which supplies, at the time of startup of data write or startup of data read, electric power higher than steady electric power used to make, in advance, spacing between a magnetic disk and a magnetic head become saturated at a target value to a heater of the magnetic head for a specified time and, after an elapse of the specified time, gradually reduces the electric power to be supplied to the heater of the magnetic head to the steady electric power.

Magnetic disk device having heater to adjust spacing between magnetic disk and magnetic head
12230305 · 2025-02-18 · ·

According to one embodiment, a magnetic disk device which supplies, at the time of startup of data write or startup of data read, electric power higher than steady electric power used to make, in advance, spacing between a magnetic disk and a magnetic head become saturated at a target value to a heater of the magnetic head for a specified time and, after an elapse of the specified time, gradually reduces the electric power to be supplied to the heater of the magnetic head to the steady electric power.