概要（Overview）

The 2300 Coronus is a plasma-based bevel clean system developed by Lam Research. It removes yield-limiting defect sources from the wafer edge, maximizing yield. The system combines plasma cleaning with proprietary confinement technology to protect the die area. It is flexible and robust, allowing for removal of different materials within the same chamber for a wide range of wafer cleaning applications. The Coronus system incorporates Lam Research’s Dynamic Alignment technology for highly accurate wafer placement and encroachment control.