Iridium Oxide Coating
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Iridium oxide coating
Our plants Chief Chemist’s Division has developed and implemented the procedure of current-conducting iridium oxide coating deposition on the electrode details made of titanium applied for pacemakers production.
The process of IrO2 coating deposition consists of the following sequential operations:
chemical etching of the electrodes surface;
surface coating of electrodes with iridium salt;
thermal decomposition of the iridium salt with formation of a corrosion-resistant current-conducting layer of iridium oxide and titanium oxide mixture on the product surface.
The new technology enables to coat iridium oxide on a wide range of titanium electrodes. Preliminary chemical etching of electrode surface improves the adhesion of the film that consists of a mixture of iridium oxide and titanium oxide to a titanium substrate. The thickness of iridium oxide and titanium oxide mix layer ranges from 2 to 5 micrometers.
The developed technology enables to coat the corrosion-resistant current-conducting layer of iridium oxide and titanium oxide mix on other titanium products, such as plates, bars and tubes.
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