• mixtures
  • 3 . The irrigated ablation electrode assembly of claim 2 wherein the electrically conductive material is selected from the group consisting of platinum, gold, tantalum, iridium, stainless steel, palladium, and mixtures thereof, and wherein the electrically conductive material is plated onto a substrate made of a biocompatible material that is substantially less oxidizable than the permanent magnet. (google.de)
  • 4 . The irrigated ablation electrode assembly of claim 1 wherein the shield comprises one or more materials selected from the group consisting of silicone, polyimide, platinum, gold, tantalum, iridium, stainless steel, palladium, and mixtures thereof. (google.de)
  • layer
  • However, the most notable application of Os isotopes in geology has been in conjunction with the abundance of iridium, to characterise the layer of shocked quartz along the Cretaceous-Paleogene boundary that marks the extinction of the dinosaurs 66 million years ago. (wikipedia.org)