Coating processes – Coating by vapor – gas – or smoke – Mixture of vapors or gases utilized
Reexamination Certificate
2005-07-19
2005-07-19
Meeks, Timothy (Department: 1762)
Coating processes
Coating by vapor, gas, or smoke
Mixture of vapors or gases utilized
C427S255370, C427S255392, C427S255394, C427S255500, C438S680000
Reexamination Certificate
active
06919102
ABSTRACT:
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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Jiang Chyun IP Office
Meeks Timothy
Powerchip Semiconductor Corp.
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