Ruthenium (Ru) metal sputtering targets, Purity: 99.95%, CAS: 7440-18-8

 Ruthenium, Ru product list from TYR as following:

Ruthenium, Ru Sputtering targets:

purity: 99.95%

Size: max. 355.6mm (14 inch) ,

Length: 500mm max x Width 200mm x thickness 20mm max.,

Shape: Discs, disks, rod, step disk, delta, plate, sheets or made per drawing


Ru, Melting Point: 2250.0 °C (2523.15 K, 4082.0 °F) , Boiling Point: 3900.0 °C (4173.15 K, 7052.0 °F), Classification: Transition metal, Crystal Structure: Hexagonal, Density: 12.2 g/cm3, Color: silvery

Ruthenium, together with rhodium, palladium, osmium, iridium, and platinum form a group of elements referred to as the platinum group metals (PGM).

Ruthenium is a hard. It does not tarnish at room temperatures, but oxidises in air at about 800°C. The metal is not attacked by hot or cold acids or aqua regia, but when potassium chlorate is added to the solution, it oxidizes explosively. It dissolved in molten alkalis.

Applications:
Because of its ability to harden platinum and palladium, ruthenium is used in platinum and palladium alloys to make wear-resistant electrical contacts. In this application, only thin plated films are used to achieve the necessary wear-resistance. Because of its lower cost and similar properties compared to rhodium, the use as plating material for electric contacts is one of the major applications. The thin coatings are either applied by electroplating or sputtering.

In electronics it used to be used mainly for electrical contacts but most now goes into chip resistors. In the chemical industry it is used in the anodes for chlorine production in electrochemical cells.

The metal is used as a hardener for palladium and platinum and added in small amounts improves the corrosion resistance of titanium.

It is used in electrical contact alloys and filaments, in jewelry, in pen nibs, and in instrument pivots
 

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