Palladium is contained in most microprocessors and printed circuit boards.Platinum, palladium, rhodium and iridium are used to coat electrodes, the tiny components in all electronic products which help to control the flow of electricity.There are many other examples of PGMs in the electronics industry. Smaller amounts of palladium are used in conductive tracks in hybrid integrated circuits (HIC) and for plating connectors and lead frames. MLCCs store energy in electronic devices such as broadcasting equipment, mobile telephones, computers, electronic lighting and high voltage circuits. According to the International Platinum Group Metals Association, in the electronics sector, most palladium is used for multi-layer ceramic (chip) capacitors (MLCC). Although individual electronic components contain only a minute amount of the metal, palladium is in great demand due to the sheer volume of products made with it. Palladium is also a major player in the electronics industry it is used in virtually every kind of electronic device, from basic consumer products to complex military hardware. More and more platinum is being used in the manufacture of hard disks to keep up with the increasing demand for more storage, such that the proportion of platinum in the magnetic alloy has gone from less than 10% in 2002 to 35% in 2007. Adding platinum to the cobalt magnetic alloy enhances the magnetic properties of the surface and therefore its storage capacity. The strength of the magnetic field generated by the surface layer determines how much data can be recorded on a given surface. Each hard drive contains one or more platters or disks where data is stored on the magnetic surfaces. If you’re grateful for the huge amount of data storage capacity you now have in your modern-day computer, you can thank platinum. Platinum and ruthenium are in your computer and in the glass of your computer screen. The versatile platinum group metals (PGMs)-platinum, palladium, rhodium, iridium, ruthenium and osmium-can be found in products we use every day, such as catalytic converters, drugs and medical devices, and many, many electronic devices. Editor’s Note: This is Part 2 of a 6-Part Series on PGMs that runs on Tuesdays.
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