セラミック磁性蓄冷材を用いた4Kパルス管冷凍機の冷凍性能

Cooling Performance of a 4K Pulse Tube Refrigerator with Ceramic Magnetic Regenerator Material


アイシン精機
@朱紹偉,河野新,桂川真治,市川正浩,井上龍夫


  The new ceramic mgnetic regenerator material GAP(GdAlO3) and GOS(Gd2O2S) for a 4K pulse tube refrigerator is tested. The test results shown that it is effective to increasing the cooling power at 4.2K.The optimum ratio of GAP over HocU2+GAP was found.