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SEED CRYSTAL FOR GROWING MONOCRYSTALS, USE OF THE SEED CRYSTAL AND PROCESS FOR PRODUCING SiC MONOCRYSTALS OR MONOCRYSTALLINE SiC LAYERS
SEED CRYSTAL FOR GROWING MONOCRYSTALS, USE OF THE SEED CRYSTAL AND PROCESS FOR PRODUCING SiC MONOCRYSTALS OR MONOCRYSTALLINE SiC LAYERS
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机译:用于单晶生长的种子晶体,种子晶体的使用以及生产SiC单晶或单晶SiC层的过程
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摘要
A seed crystal assembly for producing monocrystals and a method for producing SiC monocrystals or monocrystalline SiC layers include a seed crystal with a surface having a first partial region intended as a crystallization surface for a monocrystal grown out of a gas phase and a second partial region with a coating that is chemically resistant to the seed crystal and to the gas phase and does not melt at the growth temperatures. As a result, thermal degradation of the seed crystal is avoided and the quality of the monocrystals which are produced is increased.
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