射电望远镜用超低温制冷机日本，野边山宇宙电波观测所和东芝公司合作，开发成功了用于射电望远镜的小型极低温制冷机。该冷却器的制冷循环采用了ＧＭ方法。反复进行氦气的压缩和膨胀来达到冷却效果。其特点是，在冷循环过程中使用蓄冷材料来制造极低温状态。据称，以往的... Radio telescope with cryogenic refrigerator Japan, Nobeyama Cosmic Wave Observatory and Toshiba Corporation, the successful development of a small cryogenic refrigerator for radio telescope. The cooler’s refrigeration cycle uses the GM method. Repeated helium compression and expansion to achieve the cooling effect. It is characterized by the use of cold accumulating materials in the cold cycle to create extremely low temperature conditions. Allegedly, the past ...