Patent ID: 8974648
Filing Date: 2015-03-10
Classification: C23C,H01J,H01L

Abstract:
1. A sputtering apparatus forming a deposited film on a to-be-processed substrate by sputtering, the apparatus comprising: a container; an electrode that is provided in the container and to which a target can be attached; a substrate holder that is provided in the container and can hold the to-be-processed substrate; a gas introduction means for introducing reactive gas into the container; a radiation thermometer that measures a temperature of a member facing a sputtering space formed between the electrode and the substrate holder; a shield plate that is provided between the substrate holder and the electrode and has an opening through which sputtered particles from the target can pass; and a controller controlling the gas introduction means so as to reduce a flow rate of the reactive gas supplied into the container according to a rise in the temperature of the member measured by the radiation thermometer, wherein the shield plate is configured to switch between a first state where the electrode is exposed to the sputtering space through the opening at a same time as the radiation thermometer is shielded from the sputtering space and a second state where the radiation thermometer is exposed to the sputtering space through the opening at a same time as the electrode is shielded from the sputtering space.