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 (10) surrounding a melting pot, a bottom portion (11) supporting the side wall portion (10), and a plurality of slits formed in the side wall portion (10) and bottom portion (11), wherein said bottom portion (11) has a maximum thickness which is not greater than that of said side wall portion (10), and said bottom portion (11) 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 (10).