Patent ID: 6062853
Filing Date: 2000-05-16
Classification: H01L

Abstract:
A heat-treating boat for semiconductor wafers, comprising:upper and lower frames disposed at upper and lower end portions, respectively, of said boat;a plurality of trays disposed between said upper and lower frames at gaps therebetween in a vertical direction to regulate a plurality of horizontal wafer support levels;first, second, and third columns disposed between said upper and lower frames and each connected to said upper and lower frames, said first, second, and third columns detachably supporting said plurality of trays and being arranged to define an inlet port through which the wafers are loaded in and unloaded from said boat;first and second holes formed in said upper and lower frames, respectively;notches formed in said trays, said first and second holes and said notches being aligned with each other in the vertical direction; anda rod detachably connected to said upper and lower frames through said first and second holes and inserted in said notches to position said plurality of trays relative to said first, second, and third columns.