Sputtering Chinese "core"
Release time:
2018-09-05
Source:
The manufacturing process of powder targets requires powder pretreatment, powder mixing, compression molding, atmosphere sintering, plastic processing, heat treatment, ultrasonic flaw detection, machining, water cutting, machining, metallization, binding, ultrasonic testing, and ultrasonic testing. Cleaning, inspection and shipment, a total of 15 processes.
Powder smelting: perform preliminary atmosphere sintering of raw material powder, and control the gas content in the raw material powder.
Powder mixing: The target material has a unique formula. The content of each component needs to be accurately controlled and the impurity content is strictly limited. In the process of powder metallurgy, each element needs to be fully mixed evenly and the particle size distribution is uniform to prevent contamination.
And it needs to be prepared into mixed compound powder through special technological means.
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