TDK Corporation is an electronic component manufacturer. The Company's segments include Passive Components, Magnetic Application Products, Film Application Products and Other. The Passive Components segment includes the capacitors business, consisting of ceramic capacitors, aluminum electrolytic capacitors, and film capacitors, and the inductive devices business with coils and other passive components, including piezoelectric material components, circuit protection devices and sensors. The Magnetic Application Products segment consists of hard disk drive magnetic heads. The Film Application Products segment covers energy devices, such as rechargeable batteries for smartphones, tablets, notebook personal computers and other information and communications technology devices, and similar applications. The Other segment includes mechatronics (production equipment), anechoic chambers and flash memory applied devices. It has manufacturing bases in Japan, Asia, Europe and America.