Patent ID: 6077347
Filing Date: 2000-06-20
Classification: C30B,Y10T

Abstract:
A single crystal pulling apparatus, which is used when growing a single crystal in accordance with bringing a seed crystal in contact with a melt, and then pulling said seed crystal from said melt, wherein:a mating portion is formed on said single crystalsaid apparatus comprising a single one-piece arm, the arm having a center axis positioned on a same axis as a vertical center axis of the single crystal when said single crystal is pulled, the arm having a mating member integrally formed with the arm at the end of the arm, said mating member having a shape, which mates to said mating portion and which does not allow said single crystal to drop when said single crystal is pulled, the arm being provided with a circular motion support point at a location in a longitudinal direction of said arm, by which said arm is made to move in a circular manner until the mating member of the arm is in a position that enables mating with the mating portion of said single crystal; andan attitude of said arm is changed to the position at which the mating member of said arm is able to mate with the mating portion of said single crystal, and thereafter, the arm is raised in a state in which said mating member of the arm is made to mate with the mating portion of said single crystal.