What is the use of argon in vacuum electroplating?
Argon does not participate in the reaction, but only increases the air pressure to improve the discharge conditions of the target during the coating process. Argon is not used for coating, but mainly used to create the coating environment. Nitrogen and argon are both inert gases. After flushing, oxygen can be removed to prevent oxidation, and different colors can be coated with different content ratios of nitrogen and argon in the diffusion pump. Basically be to change the colour that coating film comes out a product.
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