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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G11B5/4915

Magnetic disk device having multiple writers with writing current of different frequencies
10984820 · 2021-04-20 · ·

According to one embodiment, a magnetic disk device includes a disk, a head including a first write head and a second write head configured to write data to the disk and a read head configured to read data from the disk, and a controller configured to write write data to a first area of the disk with the first write head and to overwrite the write data written with the first write head in the first area with the second write head.

MAGNETIC DISK DEVICE AND WRITE PROCESSING METHOD
20210035602 · 2021-02-04 ·

According to one embodiment, a magnetic disk device includes a disk, a head including a first write head and a second write head configured to write data to the disk and a read head configured to read data from the disk, and a controller configured to write write data to a first area of the disk with the first write head and to overwrite the write data written with the first write head in the first area with the second write head.