| 摘要 |
PROBLEM TO BE SOLVED: To provide a crucible for crystal growth in which a crystal having a low dislocation density can be grown even when the crucible has a large diameter. SOLUTION: The crucible 1 for crystal growth is made of boron nitride including a cylindrical top end 3 to mount a seed crystal and a cylindrical straight drum 5 formed over the top end to grow a crystal and having a larger diameter than the diameter of the top end. The thickness T1 of the top end and the thickness T2 of the straight drum satisfy the condition of 0.1 mm≤T2<T1≤5 mm, and the inner diameter D2 of the straight drum and the length L2 of the straight drum satisfy the condition of 100 mm<D2 and 2<L2/D2<5. COPYRIGHT: (C)2007,JPO&INPIT |
