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Magnetic recording apparatus and method of writing data at low temperature

  • US 7,031,091 B2
  • Filed: 08/27/2003
  • Issued: 04/18/2006
  • Est. Priority Date: 09/18/2002
  • Status: Expired due to Fees
First Claim
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1. A magnetic recording apparatus comprising:

  • a magnetic recording medium;

    a magnetic head including a recording magnetic pole and an excitation coil for producing a magnetic field for exciting the recording magnetic pole so as to record information on the magnetic recording medium;

    a terminal for receiving a recording command and recording data from a host device; and

    a temperature measuring means and a head amplifier, whereinthe head amplifier, upon reception of the recording data, causes an electric current to flow in the excitation coil prior to the start of recording of the data using the magnetic head, andthe intensity of the recording current sent from the head amplifier to the excitation coil is varied depending on the temperature measured by the temperature measuring means.

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