Chemical Formula: Cu/Ge
Catalog Number: ST0087
CAS Number: 7440-50-8 | 7440
Purity: 99.9%, 99.95%, 99.99%, 99.995%, 99.999%
Shape: Discs, Plates, Column Targets, Step Targets, Custom-made
Copper is a chemical element originated from the Old English name coper in turn derived from the Latin ‘Cyprium aes’, meaning a metal from Cyprus. It was early used in 9000 BC and discovered by people from the Middle East. “Cu” is the canonical chemical symbol of copper. Its atomic number in the periodic table of elements is 29 with location at Period 4 and Group 11, belonging to the d-block. The relative atomic mass of copper is 63.546(3) Dalton, the number in the brackets indicating the uncertainty.
Germanium is a chemical element originated from Germany (with the Latin name Germania). It was first mentioned in 1886 and observed by A. Winkler. “Ge” is the canonical chemical symbol of germanium. Its atomic number in the periodic table of elements is 32 with location at Period 4 and Group 14, belonging to the p-block. The relative atomic mass of germanium is 72.64(1) Dalton, the number in the brackets indicating the uncertainty.
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I only needed one piece of sputtering target each and this was the smallest pack i could find (pack of 2). needless to say, I'm very pleased with what I received 🙂 they seem to be really good quality