Hitachi is a leading manufacturer of leading semiconductor meterology equipment like CD-SEM, dry etch systems,Scanning Electron Microscopes, Ion-milling, XRF for semiconductor manufacturing applications. Customized according to the customer needs and can be configured to handle two different wafer sizes that can be switched by the customer using to a new wafer-transfer system. Since Hitachi launched its first CD-SEM in 1984, it has been consistently following the critical dimension measurements method based on the SEM image, evolving and maintaining excellent measurement repeatability for over 30 years. Currently, Hitachi has 70% share in the CD-SEM market, which makes it the biggest player.