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Electrodeposition of Ruthenium 20 microns thick  

June 27, 2008

Dear Reader,
I am working for an electroplaters and am trying to find out how you can deposit a THICK coating of ruthenium (of high quality) onto a hard metal such as molybdenum, something in the region of 10-20 microns. Preferably this would employ an electroplating technique, but could use electroless plating if necessary.
Any help would be much appreciated!

James Egleton
Technical Researcher - Corby, U.K.

I suspect your problem is not the ruthenium, but the molybdenum. There are many electroplating baths that will deposit ruthenium (eg see patents WO1992/17625 and US Patent 4375392). The trick is to make sure the molybdenum is free of oxides and other substances that will stop the ruthenium from depositing.

Trevor Crichton R&D practical scientist - UK