Patent ID: 9228275
Filing Date: 2016-01-05
CPC Classification: C30B

Claim Text:
1. An apparatus with a two-chamber structure for growing silicon carbide crystals, the apparatus comprising: a crystal growth chamber, a sample feed chamber, a vacuum baffle valve, a growth crucible, thermal insulation material, a vacuum system, a gas intake system and a delivery means, wherein: the crystal growth chamber and the sample feed chamber are disposed in an upper-and-lower arrangement or a side-by-side arrangement; the vacuum baffle valve is disposed between and connects the crystal growth chamber and the sample feed chamber; the growth crucible present in the sample feed chamber and configured to be delivered by the delivery means from the sample feed chamber to the crystal growth chamber and dispose it within the thermal insulation material present in the crystal growth chamber; the crystal growth chamber and the sample feed chamber are connected with the vacuum system and the gas intake system respectively; the crystal growth chamber comprises the thermal insulation material.