Samsung Electronics Co., Ltd.

HyunHoon Lee

Yun Sik Jang

Jinhong Park

Sungjoo Kim

Dohyun Seo

An exposure apparatus and manufacturing methods using the exposure apparatus are disclosed. An exposure apparatus includes a light source system generating light, an optical system controlling and patterning the light, a substrate system on which an exposure process is performed on a substrate by the patterned light, and a control unit controlling the light source system, the optical system and the substrate system. The optical system includes a chamber, a reflection member disposed in the chamber to control the light, and a first on-off valve installed on one side of the chamber opposite to the substrate system. The control unit controls the optical system such that the first on-off valve is opened during the exposure process and is closed during a cleaning process performed to the inside of the chamber.

Growing community of inventors

Yongin-si, South Korea

HyunHoon Lee