HEAT-ASSISTED MAGNETIC RECORDING HEAD AND MAGNETIC DISK DRIVE

PROBLEM TO BE SOLVED: To stabilize the intensity of light to be supplied, obtain a stable heat-assisted effect, and realize stable recording in a heat-assisted magnetic recording head including an optical waveguide.SOLUTION: In a magnetic recording head including an optical waveguide for guiding a l...

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Bibliographic Details
Main Authors HOSOMI KAZUHIKO, SHIMIZU JUNICHIRO
Format Patent
LanguageEnglish
Published 07.01.2013
Subjects
INFORMATION STORAGE
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER
PHYSICS
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Summary:PROBLEM TO BE SOLVED: To stabilize the intensity of light to be supplied, obtain a stable heat-assisted effect, and realize stable recording in a heat-assisted magnetic recording head including an optical waveguide.SOLUTION: In a magnetic recording head including an optical waveguide for guiding a laser beam to a surface of a magnetic recording medium, an element having the function of detecting optical output is provided in the vicinity of an element that is formed on ABS (Air Bearing Surface) to generate near-field light.
Bibliography:Application Number: JP20110131417