发明名称 |
Substrate processing method and substrate processing apparatus |
摘要 |
A substrate processing method for removing an Si-based film on a surface of a substrate accommodated in a processing chamber includes a first step in which the Si-based film on the surface of the substrate is transformed into a reaction product by a gas containing a halogen element and an alkaline gas in the processing chamber and a second step in which the reaction product is vaporized in the processing chamber which is depressurized to a pressure lower than a pressure during the first step. The first step and the second step are repeated two or more times. |
申请公布号 |
US8956546(B2) |
申请公布日期 |
2015.02.17 |
申请号 |
US201113813663 |
申请日期 |
2011.08.02 |
申请人 |
Tokyo Electron Limited |
发明人 |
Ugajin Hajime;Tozawa Shigeki |
分类号 |
B44C1/22;H01L21/302;H01L21/311;H01L21/67;H01L21/677;H01L21/762;H01L27/115;H01L29/66 |
主分类号 |
B44C1/22 |
代理机构 |
Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P. |
代理人 |
Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P. |
主权项 |
1. A substrate processing method for removing an Si-based film on a surface of a substrate accommodated in a processing chamber, the method comprising:
a first step in which the Si-based film on the surface of the substrate is transformed into a reaction product by a gas containing a halogen element and an alkaline gas in the processing chamber; and a second step following the first step in which the reaction product is vaporized in the processing chamber which is depressurized to a pressure lower than a pressure during the first step, wherein the first step and the second step are sequentially repeated two or more times. |
地址 |
Tokyo JP |