Regenerator particles, regenerators, refrigerators, superconducting magnets, nuclear magnetic resonance imaging equipment, nuclear magnetic resonance equipment, cryopumps, and magnetic field applied single crystal pulling equipment
An object of the present invention is to provide cold storage material particles that can be manufactured by a simple manufacturing process. A regenerator material particle according to an embodiment includes a plurality of regenerator material particles having a maximum specific heat of 0.3 J / cm3 · K or higher at a temperature of 20 K or lower and a water-insoluble resin. And a binder for bonding. And the particle size is 500 μm or less. [Selection diagram] Fig. 1【課題】簡易な製造プロセスで製造可能な蓄冷材粒子を提供する。【解決手段】実施形態の蓄冷材粒子は、温度20K以下における比熱の最大値が0.3J/cm3・K以上の複数の蓄冷物質粒子と、非水溶性の樹脂を含み、複数の蓄冷物質粒子を接着するバインダと、を備える。そして、粒径が500μm以下である。【選択図】図1