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Superconducting transition-edge sensor

  • US 5,880,468 A
  • Filed: 08/26/1996
  • Issued: 03/09/1999
  • Est. Priority Date: 08/26/1996
  • Status: Expired due to Fees
First Claim
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1. A particle detector adapted for cryogenic use, comprising:

  • a particle absorber; and

    a transition-edge sensor thermally coupled with said particle absorber, said transition-edge sensor comprising;

    a substrate;

    an aluminum/normal-metal bilayer disposed on said substrate, said bilayer comprising a first aluminum layer in contact with a first normal-metal layer, said bilayer having a superconducting state, a normal-conducting state and a transition region therebetween with transition temperature Tc ; and

    a means for measuring superconducting transitions within said transition region.

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