Ferrite
Ferrita magnética
- Date
- 1930 · confidence high
- Place
- Tokyo Institute of Technology, Japan
- Credited to
- Katō Yogorō and Takei Takeshi (marketed by TDK, 1935)
- Field
- Matter & energy
What it is
A magnetic ceramic made of iron oxides that does not conduct electricity and avoids losses at high frequency. It is essential in transformers, coils and electronic heads.
What it led to
- cores for transformers and high-frequency coils
- the founding of TDK
- magnetic tapes and memories