Sheet [Ta] [Nb]|Materials|High Performance Materials|Products|ULVAC, Inc.
High Performance Materials

Sheet [Ta] [Nb]

Ta/Nb sheets from ULVAC have a fine and uniform grain size. This makes it possible to produce high-yield foils with light surface roughening after pressing and uniform intensity and characteristics.

Available process size

10µm to 35mm, Width Max 1100mm

Plate supply size


Plate thickness Length Width
0.6 4,500 1,200
1.0 3,500
1.6 2,200

* That plates can be made longer by welding. (Past production record: 30 mm)


  • Diaphragms for differential pressure transmitters
  • Film capacitors
  • Boards for deposition
  • Foils for getters
  • Heat treatment reflectors
  • Heaters

Problems with structure in pressing

ph02 (8).jpg

Structures of tantalum foils with different grain sizes after pressing

ph03 (5).jpg

Comparison of tantalum foil structures from different manufacturers

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Comparison of tantalum foil elongation

ph05 (1).jpg

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