摘要 |
In an embodiment, the present invention discloses cleaned storage processes and systems for high level cleanliness articles, such as extreme ultraviolet (EUV) reticle carriers. A decontamination chamber can be used to clean the stored workpieces. A purge gas system can be used to prevent contamination of the articles stored within the workpieces. A robot can be used to detect the condition of the storage compartment before delivering the workpiece. A monitor device can be used to monitor the conditions of the stocker. |