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TVs put squeeze on minor metals

作者:席奎郢    发布时间:2019-03-01 02:07:04    

Ever heard of the ruthenium rush, the bismuth bonanza or the indium stampede? Demand for cellphones and flat-screen TVs is depleting global supplies of a host of uncommon metals. Indium is built into a billion consumer devices a year, for instance in phone displays, and prices have soared. Some estimates say reserves could run out within five years. Bismuth, used in lead-free solder, has doubled in price in two years, while the price of ruthenium, used in resistors and disc drives, has risen sevenfold in a year. To meet demand,

 

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