Patent ID: 8221111

Claim:
A mold for producing a silicon ingot, comprising: a bottom surface member; and a plurality of lateral surface members combining with the bottom surface member, and each lateral surface member comprising a first engaging structure on a first lateral end thereof and a second engaging structure on a second lateral end thereof, one of the first and second engaging structures of one of the plurality of lateral surface members engages with one of the first and second engaging structures of another one of the plurality of lateral surface members, wherein the first and second engaging structures each comprises a projection and a recess, and wherein the plurality of lateral surface members are in contact with an outer peripheral side surface of the bottom surface member and are upright so as to surround the bottom surface member, and the mold for producing a silicon ingot further comprising: a mold holder configured for placing the bottom surface member and the plurality of lateral surface members that are combined, the mold holder being provided independently from the bottom surface member; a wedge receiver being removably provided on an upper surface of the mold holder; and a plurality of wedge members respectively positioned in clearances between the wedged receiver and outer peripheral surfaces of the plurality of lateral surface members.