Apex Vacuum

Sputtering Targets

Sold in Aluminum, Chrome, Molybdenum, Niobium, Tantalum, Tin, Titanium, Tungsten, and Zinc.

Sputtering Definition

Sputter deposition is a method of (physical vapor deposition PVD) thin film deposition in which a high-purity source material (called a cathode or target) is subjected to a gas plasma (typically argon (Ar)). The energized atoms in this gas plasma collide with the target material and knock (spall) off source atoms, which then travel to and condense on the substrate, creating a thin film.

Plasma Generation

Plasma generation most commonly use direct current (DC Plasma Sputtering) or Radio Frequency (RF Plasma Sputtering). DC Plasma Generators and RF Plasma Generators both use the principle of ion excitation to propel atoms toward a target material. RF Plasma also can involve a matching network to tune the process for maximum efficiency.

Video Demonstration of Sputter Process

For a video demonstration of the sputtering process, we recommend a video prepared by the Clean Energy Institute at the University of Washington.

Demonstration of the Sputtering Process and Magnetron Sputter Coater

Sputtering Targets

Sputtering targets are high purity materials that collide with atoms energized with the DC Plasma Generator or the RF Plasma Generator with Matching Network. These high energy atoms collide with the target and spall small amounts of this material that form a thin film on a substrate. Sputter targets can be of many materials, purities and thicknesses depending on the application.



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