Patent ID: 11879184
Assignee: PANASONIC HOLDINGS CORPORATION
Field: Surface technology, coating (Chemistry)
Classification: CPC C | IPC C

Claim 3:
4. The manufacturing apparatus for a group-III nitride crystal according to claim 1, further comprising
a second carrier gas supply inlet to supply a second carrier gas into the nurturing chamber, wherein
a distance between the surface, on which the seed substrate is placed, of the substrate susceptor and a forward end of the second carrier gas supply inlet is denoted by L2, wherein
a distance between the forward end of the second carrier gas supply inlet and the forward end of the group-III element oxide gas supply inlet is denoted by M2, and wherein
following Eqs. (8) and (9),

1.17≤(L2+M2)/k≤1.55  (8)

k=2*(L2+M2)/tan θ+S  (9), are satisfied.