Patent ID: 11946156
Assignee: RESONAC CORPORATION
Field: Surface technology, coating (Chemistry)
Classification: CPC C | IPC C

Claim 0:
1. A SiC single crystal growth crucible comprising:
a raw material accommodation portion which accommodates a SiC raw material; and
a seed crystal support portion which supports a seed crystal disposed on an upper portion of the raw material accommodation portion,
wherein the raw material accommodation portion has a body portion on an upper side and a tapered portion on a lower side,
an inner surface of the body portion has a constant width,
an inner surface of the tapered portion is tapered off downward,
a bottom portion of the raw material accommodation portion is a bottom of the SiC single crystal growth crucible,
the tapered portion has a conical shape which is continuously and linearly tapered off, and
an outer surface of the tapered portion of the raw material accommodation portion is tapered off downward.