Abstract
On the background of a long history of Japanese ceramics, various electro-ceramic materials have been studied and many kinds of electronic components using them have been developed in Japan. The first invention of electro-ceramics in Japan should be a ferrite at Tokyo Institute of Technology in 1930, and the mass production of ferrite started in 1937. Then, Japanese electro-ceramic industry has led the world on electro-ceramic materials and components until now, especially in the fields of BaTiO3, PZT, PTC thermistor, ZnO varistor and insulating ceramics. In recent years, new electro-ceramic materials, their processes and new devices using them have been still studied actively in Japan. Currently, R&D activities in Asia outside of Japan, and electro-ceramic industries in those areas have been grown steadily.
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