Processing method and fabrication method of semiconductor device
AssigneeSumitomo Electric Industries, Ltd.
InventorsKaoru Shibata, Fumitake Nakanishi
Life of this patent
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Abstract
There are obtained a processing method that allows adherence of foreign particles to an object to be processed in a load lock chamber to be suppressed, and a fabrication method of a semiconductor device using the processing method. The processing method includes the step of receiving a substrate that is the object to be processed at a load lock chamber (substrate load lock chamber) to load the substrate into a processing chamber where processing is to be applied to the substrate, and reducing internal pressure from a substrate load lock chamber 3. In the step of reducing internal pressure, pressure is released at a relatively low decompression rate, and then at a relatively high decompression rate.
Claims4
A processing method comprising the steps of:
- receiving an object to be processed at a load lock chamber to load-in said object to be processed to a processing chamber where processing on said object to be processed is to be carried out, and
- reducing internal pressure in said load lock chamber,
- said step of reducing internal pressure including the step of releasing pressure at a relatively low decompression rate, and then releasing pressure at a relatively high decompression rate.
Dependencies are inferred from the claim text.