Indium is a relatively rare post-transition metal with a bright luster. It is also known for its very soft and malleable properties. In fact, it is so soft that the metal can even be cut with a knife. If drawn across a Indium foil uses
The semiconductor industry finds Indium useful in the synthesis of semiconductor materials for the manufacture of thin film solar cells. A principal use is in the forming of electrodes for touchscreens and liquid crystal displays. A transparent conductive coating of Indium oxide and Indium Tin oxide may also be applied as a substrate to glass in the manufacture of electroluminescent panels. Indium is especially suited to being used in vacuum systems due to its sealing properties and as bonding material in acoustic transducers.

As a foil or a sheet, Indium is regularly used as an extremely efficient heat sink for high temperature and cryogenic applications. A heatsink is a device or substance for absorbing excessive or unwanted heat. It is typically a metallic part that is attached to a device releasing heat, with the aim of transferring that heat to a surrounding fluid in order to prevent the device overheating.High thermal conductivity Indium foil is now being regularly used for high-efficiency heatsinks (eg for high-power laser diodes) as well as heatsinking at cryogenic temperatures.
In art and design, Indium Foil is sometimes used for its bright aesthetic and flexibility. Metal sculptors, for example, have expressed great interest in the material. In addition, by adding Indium to Gold, an intermetallic compound can be produced having a slight blue colour, which is called blue Gold. It’s even been known to be used in wallpapers – great for interior walls that need a sleek, shiny finish!

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