The bottleneck is the ability to process various tantalum containing minerals into the metal.
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Our mobile phones, X-boxes, TVs and all the rest all use such tantalum capacitors.
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Current reserves of tin, of tungsten, tantalum, any other metal or mineral you care to think about.
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So the tungsten, tantalum, iron, whatever, that is in current reserves will indeed be gone in a generation.
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Coltan is the shortened name of the ore, columbo-tantalite, from which the tantalum to make capacitors is extracted.
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Like, for example, tantalum is one that I know quite a bit about.
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Tantalum itself is used to make the capacitors which go into electronic equipment.
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For tantalum this is all but assured as there are very few smelters and they all supply the electronics industry.
For it is possible to mine them with kids with shovels, not something you can do with most other tantalum resources.
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As I say, this is always true: in my own day job of weird metals, take for example the metal tantalum.
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The company, which makes carbon black and tantalum, said facilities in Aizu and Chiba lost power, with operations temporarily suspended during the quake.
The tantalum price in Hong Kong is roughly within transport costs of the price in Rotterdam, on the other side of the world.
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Companies must submit an annual report to the SEC, disclosing whether their products contain gold, tin, tungsten or tantalum from the Congo or neighboring countries.
The EU sees "especially strong potential" in Greenland's deposits of niobium, platinum, rare earths and tantalum, among the elements on an EU "critical raw materials" list.
There were those like myself, who understood the industry, who pointed out that there are only a handful of factories that can process coltan into tantalum.
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Much of the violence has been financed with profits from the mining of metals such as tin, coltan, tantalum and gold - all used in electronic appliances.
The situation has been exacerbated by the depletion of accessible reserves in some major mines and a significant drop in the global prices for tin and tantalum.
If we did start to use the thorium nuclear cycle in reactors one group of beneficiaries would be those who use tantalum, niobium, rare earths and so on.
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Indeed, I pointed out when he idea was first being discussed that there are only 5 or 6 plants globally capable to turning the mineral, coltan, into tantalum.
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Tantalum is an ingredient of the best electronic capacitors.
But it occurs to me that one of the effects of the adoption of thorium technology would be to make a series of other metals, like tantalum and the rare earths, rather cheaper.
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It requires companies to examine their supply chains and disclose to the Securities and Exchange Commission (SEC) whether they source tin, tungsten, tantalum, or gold from conflict-mines in the DRC or surrounding countries.
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Everyone who puts a tantalum capacitor into a piece of electronics has to be able to show that that tantalum did not come, by however roundabout a route, from this area of conflict minerals.
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Here are the reserve numbers for tantalum.
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Four metals -- gold, tin, tantalum and tungsten -- are used in gadgets and also are mined in the eastern Congo, a region of the vast country that has been in active conflict for years.
Until 2011, Goma was a regional trading center for minerals such as tin, coltan and tantalum, but an escalation in violence as well as new U.S. regulations restricting conflict minerals from the global supply chain have stalled the trade.
Take, say, tantalum as an example.
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Through a shaky camera in the damp and dark mines of eastern Congo, filmmaker Frank Poulsen introduces us to some of the young men (and even children) toiling at the first stage of Congo's lucrative business in tin, tantalum, tungsten and gold.
New legislation will require U.S. companies to disclose the use of certain minerals, including tantalum, in their products and to describe the process used to ensure the purchase of these minerals does not fund the illegally armed groups operating in the DRC.
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Peak neodymium is the latest threat to green energy, while doubt emerges over the security of many other element groups including the rare earths, the platinum group metals, and elements such as antimony, beryllium, gallium, germanium, graphite, indium, magnesium, niobium, tantalum and tungsten.
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