Suppression of Cross Contamination in Multi-Layer Thin Film Prepared by Using Rotating Hexagonal Sputtering Cathode

Area of Science:

• Materials Science
• Thin Film Deposition
• Surface Engineering

Background:

• Multi-layered thin film preparation often suffers from cross-contamination.
• Developing advanced sputtering techniques is crucial for high-performance material fabrication.
• Optimizing deposition processes can lead to enhanced material properties and energy efficiency.

Purpose of the Study:

• To evaluate the performance of a newly developed rotating hexagonal sputtering cathode.
• To demonstrate the capability of preparing single- and multi-layered thin films with suppressed cross-contamination.
• To assess the energy-saving potential of multi-layered glass structures fabricated using the new method.

Main Methods:

• Thin films (single-layered AZO and multi-layered) were prepared on glass substrates.
• A novel rotating hexagonal sputtering cathode with configurable targets was employed.
• Process parameters and hardware revisions were utilized to control cross-contamination.
• Temperature measurements were conducted to verify energy-saving effects.

Main Results:

• The rotating hexagonal sputtering cathode successfully prepared single- and multi-layered thin films.
• Cross-contamination during multi-layer film preparation was reduced to near zero.
• The energy-saving effects of five-layered glass were experimentally verified.

Conclusions:

• The developed rotating hexagonal sputtering cathode is effective for high-quality thin film deposition.
• This technology offers a viable solution for minimizing cross-contamination in multi-layer fabrication.
• The study highlights the potential for energy savings in applications utilizing such multi-layered structures.