| 摘要 |
A method of stabilizing the properties of a material layer is disclosed. A plurality of wafers are stored in a FOUP and in sequence the wafers are transferred to a chamber to proceed with deposition of a material layer and to the FOUP filled with a specific gas after deposition until all the wafers in the FOUP are treated. In the process of deposition, the wafers deposited with material layers on their surfaces are stored in the FOUP filled with specific gas. Therefore, the surface properties of all the wafers in the FOUP are stablilized and contamination due to outgassing is prevented.
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