Patent ID: 9328431
Filing Date: 2016-05-03
CPC Classification: C30B

Claim Text:
1. An apparatus for manufacturing a silicon carbide single crystal by growing the silicon carbide single crystal on a surface of a seed crystal made from a silicon carbide single crystal substrate by supplying a material gas for silicon carbide from below the seed crystal, the apparatus comprising: a base including a mounting portion where the seed crystal is mounted, the mounting portion including a first side and a second side opposite to the first side, the seed crystal is mounted on the first side of the mounting portion; and a purge gas introduction mechanism attached to the base and supplying a purge gas to the base from the second side of the mounting portion, wherein the mounting portion includes a large diameter portion located on a top of a small diameter portion and includes a purge gas introduction path downwardly extending along a center the large diameter portion and thereafter extending in the radial outward direction with respect to the center axis of the small diameter portion.