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Tantalum

Pure tantalum is characterised by its high melting point, its exceptional resistance to chemical attack, its capacity to store and release electrical charge and its corrosion resistance. These unique chemical properties have led to its widespread use in the electronics industry, mainly as powder and wire for capacitors in telecommunications devices and implantable medical devices. Tantalum also goes into the manufacture of super alloys, imparting strength and high-temperature resistance against cracking, for use in aerospace and energy generation.

The main use of tantalum is in the manufacture of electrolytic capacitors, used in mobile phones, computers and automotive electronics. Additional uses are found in super alloys for turbine engines, precision optical lenses and high temperature applications.

Key uses for tantalum

Tantalum carbide

cutting tools

Tantalum oxide

camera lenses

 

X-ray film ink-jet printers

Tantalum powder

capacitors for widespread hi-tech electronic applications e.g. power supplies, digital video & still cameras, smart mobile phones, games consoles, I-Pods, laptops, hard drives, LCD monitors, set top box, hearing aids, pacemakers, airbag protection systems, GPS, automobile ABS systems, bar code readers, photocopiers and fax machines, pagers, smoke detectors, control systems

Tantalum fabricated sheets, plates, rods, wires

sputtering targets
chemical process equipment
cathodic protection systems for steel structures, e.g. bridges, water tanks prosthetic devices e.g. hips, plates in the skull, mesh to repair bone after cancer damage suture clips
corrosion resistant fasteners, screws, nuts & bolts
high temperature furnace parts
high temperature alloys for air and land-based turbines (such as jet engines)

Source: Tantalum - Niobium International Study Centre

Aluminium and ceramics may be used as a substitute for tantalum, but normally at the expense of performance. Niobium is used to a very limited extent in ceramic capacitors for electronics, whereas its primary use is as an alloying element to strengthen high-strength low-alloy steels. The use of niobium as an alternative to tantalum in capacitors is still under evaluation.

Demand and Supply

There is currently a shortage of tantulum supply and stock levels in the industry are being run down. Noventa is in a unique position to expand production to meet the industry's needs.

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20 February 2011
  Canaccord UK Equity Research
   
26 November 2010
  Canaccord UK Equity Research
   
15 September 2010
  Institutional Research
 
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Website last updated:
2 February, 2012

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18 January, 2012