Seed crystal using attention points (fracture) to prevent the seed crystalS seed crystal must be in strict accordance with the requirements of each furnace removed for inspection, require no scars, no
2022/02/25 sifeng 3
1, zone melting method (FZ)In order to prevent caused by a chemical reaction between melt and the crucible of pollution and developed without increasing crucible crystal growth process, is called zone
2022/02/25 sifeng 1