Aluminum blank material for hard disk drives is the aluminum alloy disks used in external storages (HDD: hard disk drive) mainly for PCs, household appliances and data centers, etc. Strict quality is demanded with regard to the flatness of the disks, and defect-free surfaces, etc., in association with increases in recording densities, which are going up year by year.
Furukawa Electric is highly regarded by the HDD manufacturers of various countries throughout the world and boasts a global top-class market share due to pressure annealing technology, etc., that makes its aluminum blank material for hard disk drives almost perfectly flat.