HEATING RESISTOR OF SINGLE CRYSTAL MANUFACTURING APPARATUS

摘要

A heating resistor of a single crystal manufacturing apparatus, which comprises a cylindrical side wall portion surrounding a melting pot, a bottom portion supporting the side wall portion, and a plurality of slits formed in the side wall portion and bottom portion, wherein said bottom portion has a maximum thickness which is not greater than that of said side wall portion, and said bottom portion has a minimum inner diameter which falls within a range of 20 to 80% of an inner diameter of a lowermost portion of said side wall portion.