Patent ID: 7971332
Filing Date: 2011-07-05
Classification: C23C,F27B,F27D,H01L,Y10T

Abstract:
1. An adjusting method of adjusting a boat in a furnace to be parallel to the furnace, the furnace having an opening, a receiving space and a first symmetrical line, the boat having a second symmetrical line, a first gap area being formed between a sidewall of the receiving space and a sidewall of the boat when the boat is inserted into the receiving space through the opening, the adjusting method comprising the steps of: providing an adjusting tool, which has a wide part, a narrow part and a through hole formed from the wide part to the narrow part; using the narrow part to block the opening such that the wide part is exposed out of the opening; inserting the boat into the receiving space through the through hole and the opening to form a second gap area, which is smaller than the first gap area and located between the sidewall of the boat and a sidewall of the through hole at the narrow part; and adjusting the first symmetrical line and the second symmetrical line to be parallel to each other according to the second gap area.