TDK has been an official bib sponsor since the first IAAF World Championships held in Helsinki, Finland. TDK was established in 1935 to commercialize ferrite, an electronic material that is used widely in electronic devices.
What's TDK?TDK has been an official bib sponsor since the first IAAF World Championships held in Helsinki, Finland. TDK was established in 1935 to commercialize ferrite, an electronic material that is used widely in electronic devices.