The research group at the Hitachi Global Storage
Technologies focuses on all aspects of the
technologies required for present and future
digital storage devices. The mission of the
group is to extend present day technologies,
invent future technologies, and understand
the fundamental science underlying these technologies.
The group is famous for its invention
of magnetoresistive (MR) and giant magnetoresistive
(GMR) head, anti-ferromagnetically-coupled
media (‘pixie dust’), the conception
of the microdrive (world’s smallest
and lightest hard disk drive), and the development
of many of the key innovations incorporated
into today’s hard disk drives and
tape drives.
All major scientific disciplines are represented
in the organization, including physics,
chemistry, material science, electrical
engineering, mechanical engineering, mathematics,
and computer science.
Key challenges the group is focused on are how to continue
to extend areal density (bits / square inch) when faced
with the constraints imposed by the superparamagnetic
effect, how to enhance the performance, functionality
and reliability of disk drives, and how to create storage
devices that are better suited to new emerging applications
and new customer requirements. More details on the specific
challenges and the pathways being pursued can be found
in the individual project pages.
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