THE KYROPOULOS PROCESS, WHAT YOU NEED TO KNOW
The Kyropoulos process is a variation on the Czochralski process.
The special feature of this process is that the base material is completely melted and then a single crystal is grown by directional solidification.
The seed crystal is not pulled from the melt, but grows in the melt as a result of a gradual reduction in heat generation.
The process produces large-diameter sapphire ingots of very high quality (homogeneity) because the melt movement is very small.
The process lasts from a few days to several weeks.