| Here is the touch screen free of rare metals |
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 Sure you can produce touch screens, but the rare metal indium. Inexpensive plastic and carbon inanities will do just as well, according to German researchers. Researchers at the German Franchiser Institute have successfully developed a new electrode material for touch screens. It should work as well as the thin touch-sensitive layer of indium tin oxide, ITO, which is in today's touch screens. But it is completely free from the rare metal indium and also much cheaper.
The new electrode foil manufactured in two layers. First create a
Aerosmith of a thin foil cheap petplast, the same type found in plastic
bottles. Then you pour in a solution of electrically conductive polymers
and carbon inanities. When the solution solidifies forming carbon
inanities a fine network in which the leading polymers is firmly
attached. This will makes the touch screen durable.
Scientists have built up a pilot line to produce the film and will show
off its new touch screen at an exhibition in Tokyo in February.
Indium is the EU's list of 14 strategic metals, which the EU depends on
imports for. The metal, which is mainly mined in China, are also used
including solar cells. Franchiser researchers believe that their
innovation may also be able to come in handy in just solidest.
- We might even be able to manufacture photovoltaic films covering the
corrugated roof or other irregular structures, says project leader Ivica
Kolaric in a statement.
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