3623221

Information

• Patent Grant
• 3623221

• References
• Source

• Patent Number

  3,623,221

• Date Filed

  Not available

• Date Issued

  Tuesday, November 30, 1971
  52 years ago

• CPC

  • H01L39/2406 - of devices comprising Nb or an alloy of Nb with one or more of the elements of group 4
  • B21C23/22 - Making metal-coated products Making products from two or more metals
  • B21C33/002 - Encapsulated billet
  • B21C33/004 - Composite billet
  • B23K31/00 - Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
  • B23K31/02 - relating to soldering or welding
  • H01B12/12 - Hollow conductors
  • H01F6/06 - Coils
  • H01L39/14 - Permanent superconductor devices
  • H01L39/2409 - of devices comprising an intermetallic compound of type A-15
  • Y02E40/641 - characterised by their form
  • Y10S29/047 - Extruding with other step
  • Y10S505/884 - Conductor
  • Y10S505/918 - with metallurgical heat treating
  • Y10S505/929 - by extruding
  • Y10S505/93 - by drawing
  • Y10T29/49014 - Superconductor

• US Classifications

  • 029 - Metal working
  • 174 - Electricity: conductors and insulators
  • 257 - Active solid-state devices
  • 505 - Superconductor technology: apparatus, material, process