Cold accumulation material for ultra-low temp., refrigerating machine using the material and heat shield material

Cold accumulation material for ultra-low temp., refrigerating machine using the material and heat shield material

  • CN 1,195,815 C
  • Filed: 10/30/1997
  • Issued: 04/06/2005
  • Est. Priority Date: 10/30/1996
  • Status: Active Grant
First Claim
Patent Images

1. very low temperature cool storage material is characterized in that:

  • be the magnetic-particle that will contain rare earth element be filled in the hole portion of porous carrier or the sheet-like formed body constitute.

View all claims
    ×
    ×

    Thank you for your feedback

    ×
    ×