Patent ID: 9716021
Date: 2017-07-25
CPC Classifications: B65G,H01L,Y10T

Claim:
1. A substrate heat treatment apparatus, comprising: a conveyance storage unit including a first storage section and a second storage section each configured to store a plurality of conveyance containers, and a conveyance mechanism provided within the conveyance storage unit to be extended in a vertical direction and configured to convey the conveyance containers while moving in the vertical direction and being rotated, each of the conveyance containers being configured to accommodate a plurality of wafers; a carry-in/out unit provided to be attached to the conveyance storage unit from one side of the conveyance storage unit and configured to dispose the conveyance containers such that the conveyance containers are carried into or out of the conveyance storage unit by the conveyance mechanism; a heat treatment unit provided to be attached to the conveyance storage unit from another side of the conveyance storage unit opposite to the one side and including a heat treatment furnace configured to accommodate a holder configured to hold the plurality of wafers in multiple stages, and to perform the heat treatment on the wafers; and a transfer section including a mounting stage disposed in a wall of the conveyance storage unit facing the heat treatment unit and below the first storage section, the mounting stage being configured to mount each of the conveyance containers thereon to allow the wafers in each of the conveyance containers to be transferred to the holder of the heat treatment unit, wherein the first storage section of the conveyance storage unit is disposed in the wall of the conveyance storage unit facing the heat treatment unit, and the second storage section is disposed below the conveyance mechanism and adjacent to the mounting stage, and the second storage section includes an elevating mechanism configured to change a height of each of the conveyance containers stored in the second storage section in the vertical direction.