Kabushiki kaisha toshiba (20240321307). MAGNETIC DISK DEVICE simplified abstract

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MAGNETIC DISK DEVICE

Organization Name

kabushiki kaisha toshiba

Inventor(s)

Toru Watanabe of Kawasaki Kanagawa (JP)

MAGNETIC DISK DEVICE - A simplified explanation of the abstract

This abstract first appeared for US patent application 20240321307 titled 'MAGNETIC DISK DEVICE

Simplified Explanation: The patent application describes a magnetic disk device with a write head, read head, heater, and controller to adjust the flying height of the write head.

  • The magnetic disk device includes a magnetic disk, a write head, a read head, a heater, and a controller.
  • The write head writes data to the magnetic disk, while the read head reads data from it.
  • The heater adjusts the flying height of the write head.
  • The controller has detection units to monitor the flying height of the write head and positioning errors of the magnetic head.
  • The controller also stores thresholds for these measurements.

Key Features and Innovation:

  • Integration of a heater to adjust the flying height of the write head.
  • Detection units to monitor flying height and positioning errors.
  • Threshold storage for accurate measurements.

Potential Applications: This technology can be used in various magnetic disk storage systems, such as hard disk drives and data centers.

Problems Solved:

  • Ensures accurate reading and writing of data on the magnetic disk.
  • Helps maintain optimal performance of the magnetic disk device.

Benefits:

  • Improved data storage and retrieval accuracy.
  • Enhanced performance and longevity of magnetic disk devices.

Commercial Applications: Potential commercial applications include the manufacturing of hard disk drives, data storage solutions for businesses, and cloud storage services.

Questions about Magnetic Disk Device: 1. How does the heater in the magnetic disk device help adjust the flying height of the write head? 2. What are the specific benefits of using a controller with detection units in a magnetic disk device?

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Original Abstract Submitted

according to one embodiment, a magnetic disk device includes a magnetic disk, a magnetic head that includes a write head configured to write data to the magnetic disk, a read head configured to read data from the magnetic disk, and a heater configured to adjust a flying height of the write head, and a controller that includes a first detection unit configured to detect the flying height of the write head, a second detection unit configured to detect a positioning error of the magnetic head with respect to a track of the magnetic disk, and a memory configured to store a first threshold and a second threshold.

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