A Benchtop DC & RF Magnetron Sputtering Coater is a versatile Physical Vapor Deposition (PVD) system designed for R&D environments. By integrating both Direct Current (DC) and Radio Frequency (RF) power sources, this single unit can deposit a wide array of materials, from conductive metals to insulating ceramics and oxides.

Industrial-grade benchtop models are designed for precision within a small footprint: (1) Magnetron Sputtering Head: Uses strong magnets behind the target to trap electrons, increasing plasma density and allowing for lower operating pressures (10^{-3} to 10^{-2} mbar). (2) Chamber: Usually a high-purity stainless steel or quartz cylinder with a hinged lid for easy target swapping. (3) Sample Stage: Typically heatable (up to 500 ℃) and rotatable (1–20 RPM) to ensure the Al2O3 or ZnO coating is uniform across the entire electrode surface. (4) Gas Control: Uses Mass Flow Controllers (MFC) for Argon (sputtering gas) and sometimes Oxygen/Nitrogen for "Reactive Sputtering."  

References:

S. Lobe, et al., Radio frequency magnetron sputtering of Li7La3Zr2O12 thin films for solid-state batteries, Journal of Power Sources, 2016, 307, 684-689

Y. Ma, et al., Materials and structure engineering by magnetron sputtering for advanced lithium batteries, Energy Storage Materials, 2021, 39, 203-224

Y. Yao, et al., Prospective of Magnetron Sputtering for Interface Design in Rechargeable Lithium Batteries, Adv. Energy Mater., 2024, 14, 2403117.