TDK Corporation is a global electronics company based in Japan, which produces ferrite materials, electronic components and ICs, wireless computer networking products, magnetic heads for HDD, digital recording hardware and advanced digital recording media. The Company manufactures it products through four divisions: Electronic Components, including ferrite cores, ferrite magnets, metal magnets, rubber/plastic magnets, ferrite/metal electrodes, ceramic capacitors voltage-controlled ocillators (VCOs), diplexers and isolators; Data Storage Components, including magnetic heads for HDD and thermal printing heads; Recording Media and Systems, including audio tape, video tape, MD, DVD-R/DVD-RAM, magnetic tape for computers and accessories, and Semiconductors, including integrated circuits (ICs) for local area network (LAN)-use, IC for set-top box and IC for modem.