CMP Process Training - Module 10:
Retaining rings
- Materials of construction and main functions
- How do retaining rings work and how certain designs may affect polishing outcomes
- Bow waves and hydrodynamic boundary layers
- The Stribeck+ curve applied to retaining rings
- Tribological, thermal and kinetic attributes of PEEK and PPS AMAT Reflexion rings for ILD and Cu applications
- Tribological, thermal and kinetic attributes of PEEK and PPS AMAT Reflexion rings for ILD and W applications
- Effect on pad cut rate (PCR) and ring wear rate (RWR)
- SEM of pad debris AND ring debris generated due to disc wear AND ring wear
- Effect of retaining rings on pad micro-texture