Changsha south tantalum niobium Co.,Ltd specialize in refractory metals, for research & development,manufacture and sale of rare metal Tantalum,Niobium, series of products,
are available in all forms such as ribbon, foil, sheet, wires, rod, strip, bar, plate,seamless tube,
capillary tube,welded tubing sputtering target etc. in conformity with ASTM. For more details please go to our website, http://www.csnftn.com 
 

Tantalum sputtering targets、Tantalum- tungsten Alloy targets

Material:            RO5200, RO5400, RO5252(Ta-2.5W), RO5255(Ta-10W)

Size:

circular targets:      Diameter  25mm up to 400mm x Thickness 3mm up to 28mm

rectangular targets:    Thickness 1mm up to 12.7mm x Width up to 600mm x Length up to 2000mm

Purity:              >=99.95%  or  99.99%

Table 1: technology  parameter

Grade	3N, 3N5, 4N, with Ta 99.99%min
Recrystallization	95%min
Grain size	ASTM 4 or finer
Surface finish	16Rms max. or Ra 0.4 ( RMS64 or better)
Flatness	0.1mm or 0.15% max
Tolerance	+/-0.010" on all dimensions

 

Special requirements to be agreed on by the supplier and buyer of negotiations