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Certas LEAGA

Dry Etch

Certas LEAGA™ is an environment-friendly, high-throughput gas chemical etch system designed for 300mm wafers that provides surface etch and cleaning without the use of liquids. Its dry processing features watermark-free, unique selectivity performance over various SiO2 films and precise control of interface cleaning. It offers greater flexibility when combined with TEL’s cleaning system. Certas LEAGA™ supports a number of isotropic process requirements for 3D-structure devices with high utilization capability and low cost operation through its plasma-free solution. Up to six dual-wafer processing chambers can be installed on a single platform to satisfy various process requirements. Easily configurable process units enable device scaling and enhanced productivity. Certas LEAGA™ provides highly precise process solutions such as surface pre-cleaning of Si contact formation, oxide film removal and etch back, selective etch in high-aspect 3D structure, and precise recess process, and has been widely adopted by global semiconductor manufacturers from volume manufacturing to next generation development.

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