Patterson & Sheridan, LLP
Susceptor support portion and epitaxial growth apparatus including susceptor support portion
A susceptor support portion of the present invention includes a susceptor shaft and a substrate lift portion. The susceptor shaft includes a support column and a plurality of arms that extend radially from the support column, the substrate lift portion includes a support column and a plurality of arms that extend radially from the support column, the arm of the susceptor shaft includes a first arm, a second arm coupled to the first arm, and a third arm coupled to the second arm, from the support column side of the susceptor shaft, the second arm being provided with a through hole which passes through the second arm in a vertical direction, and a width of the first arm of the susceptor shaft is smaller than a width of the second arm of the susceptor shaft.
APPLIED MATERIALS, INC.
H C H H C Y H C C H C C
H01L C30B H01L H01L C23C Y10S H01L C23C C23C H01L C23C C23C
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Yoshinobu Akira
Mori Okabe