| 摘要 |
<p>A film crack detection apparatus for performing a film crack detection operation, which is mounted to a film forming apparatus having a processing vessel for receiving an object to be processed and forming a thin film on a surface of the object to be processed, includes an elastic wave detection unit mounted to the film forming apparatus to detect an elastic wave, and a determination unit to determine whether performing a cleaning process of the processing vessel is necessary based on a detection result of the elastic wave detection unit.</p> |
