Chemical Formula: Cr
Catalog Number: ST0009
CAS Number: 7440-47-3
Purity: >99.95%
Shape: Discs, Plates, Column Targets, Step Targets, Custom-made
Atomic Weight: 51.9961
Atomic Number: 24
Color/Appearance: Silvery, Metallic
Thermal Conductivity: 94 W/m.K
Melting Point (°C): 1,857
Coefficient of Thermal Expansion: 4.9 x 10-6/K
Theoretical Density (g/cc): 7.2
Z Ratio: 0.305
Sputter: DC
Max Power Density*(Watts/Square Inch): 80
Type of Bond: Indium, Elastomer
Comments: Films very adherent. High rates possible.
Chromium is a chemical element originated from the Greek ‘chroma’, meaning color. It was early used before 1 AD and discovered by Terracotta Army. “Cr” is the canonical chemical symbol of chromium. Its atomic number in the periodic table of elements is 24 with the location at Period 4 and Group 6, belonging to the d-block. The relative atomic mass of chromium is 51.9961(6) Dalton, the number in the brackets indicating the uncertainty.
It is widely used in the automobile industry to form a shiny coating found on wheels and bumpers. Chromium is used in many vacuum applications such as automotive glass coatings, photovoltaic cell fabrication, battery fabrication, and decorative and corrosion resistant coatings.
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These work great. I've only used them to sputter a thin film. They are a great price too.
