THERMALLY-ASSISTED MAGNETIC RECORDING HEAD

WIPO Patent Application WO/2010/016329

A1

Provided is a thermally-assisted magnetic recording head, which achieves highly efficient optical coupling, while guiding a laser beam from a semiconductor laser, i.e., a light source, to a leading end of a head, eliminating influence of heat generated by the semiconductor laser, and having excellent floating characteristics.  The thermally-assisted magnetic recording head is composed of a substrate (2) having a first optical waveguide (1) on a surface, a semiconductor laser (100), and a slider (4) having a second optical waveguide (3) formed on an end surface.  The semiconductor laser (100) is fixed on the substrate (2) so that light outputted from the semiconductor laser (100) is propagated to the first optical waveguide (1), and a slider (4) is fixed on the substrate (2) so that light outputted from the first optical waveguide (1) is propagated to the second optical waveguide (3).  Thus, high optical coupling efficiency is achieved, while ensuring heat dissipating characteristics and floating characteristics.

JPH0757231	PRODUCTION OF MAGNETIC HEAD SLIDER
WO/1999/039335	SLIDER SUPPORT ASSEMBLY AND METHOD
JP2822119	[Title of the Invention] A method for manufacturing a magnetic head assembly.

MATSUSHIMA NAOKI (JP)
ARAI SATOSHI (JP)
MATSUMOTO TAKUYA (JP)
SHIMIZU JUNICHIRO (JP)
NANIWA IRIZO (JP)

PCT/JP2009/060500

February 11, 2010

June 09, 2009

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HITACHI LTD (JP)
MATSUSHIMA NAOKI (JP)
ARAI SATOSHI (JP)
MATSUMOTO TAKUYA (JP)
SHIMIZU JUNICHIRO (JP)
NANIWA IRIZO (JP)

G11B5/60; G11B5/02; G11B5/31

JP2008059645A	2008-03-13
JP2001319365A	2001-11-16
JP2008016096A	2008-01-24

ASAMURA PATENT OFFICE, p. c. (JP)
Patent business corporation Asamura patent firm (JP)

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