Micro-Energy Division Cobalt Rare Earth Magnets have been widely applied and appreciated to the state-of-the-art electronic machinery and equipment, such as rotary devices, acoustic instruments and equipment, and communications systems. Its applications are expanding increasingly.
SPRON was developed jointly with the Metal Materials Laboratory of Tohoku University as a spring material for mechanical wristwatches. It is used in high-class mechanical watches by Seiko and other makers and has earned a high level of trust. In addition, with its outstanding characteristics, including superior elasticity, great strength and high heat and corrosion resistances, SPRON has become popular in a wide variety of fields, from electronics to medicine.











