20 March 2020 4 2K Report

Dear all,

Hope you and your families are healthy and well-prepared in the current COVID-19 situation.

Could you please shed some light on the mechanism of using zirconia protective coating thermal sprayed on ceramic setter plate for MLCC sintering? Why using zirconia protective coating? what are the failure mechanisms of the coating layer and the setter plate underneath? What are the requirements on the zirconia powder used for this specific application?

Many thanks!!

Jian

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