Load lock apparatus and substrate cooling method
Load lock apparatuses (6, 7) are provided with a container (31) arranged to vary a pressure between a pressure which corresponds to a vacuum transfer chamber (5) and an atmospheric pressure; a pressure adjusting mechanism (49), which adjusts the pressure inside the container (31) to vacuum which cor...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | Load lock apparatuses (6, 7) are provided with a container (31) arranged to vary a pressure between a pressure which corresponds to a vacuum transfer chamber (5) and an atmospheric pressure; a pressure adjusting mechanism (49), which adjusts the pressure inside the container (31) to vacuum which corresponds to the transfer chamber (5) and to the atmosphere; a lower cooling plate (32) and an uppercooling plate (33), which are arranged to face each other in the container (31) and cool a wafer (W) by being in proximity to or in contact with the wafer (W); a wafer lifting pin (50) and a driving mechanism (53), which transfer the wafer (W) to a cooling position of the lower cooling plate (32); and a wafer supporting member (60) and a driving mechanism (63), which transfer the wafer (W) to a cooling position of the upper cooling plate (33). |
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