Indium has the atomic number 49, in the periodic table, the abbreviation “In” and is a rare, silvery, soft metal. At present it is believed that its natural resources will soon be exhausted. The metal is now mainly used in flat panel displays and touch screens. discovered in 1863 by chemists Reich / Judge, it was famous at the World Exhibition in Paris 1867th With the increasing development of the nuclear industry indium was significant because the control rods were equipped with it. In the processed form of indium tin oxide is required for its properties (transparent, conductive in thin layers) to produce Liquid Crystal Displays.
The price of indium has increased 2002-2005 by eightfold.