Patent ID: 6010569
Filing Date: 2000-01-04
Classification: C30B,Y10S,Y10T

Abstract:
A device for handling heavy components of a crystal puller according to the Czochralski method which is supported in a supporting frame, wherein a crucible that is supported on a supporting bolt is heated inside a pulling chamber by the thermal radiation of a heating element that surrounds the crucible, and wherein the crystal is pulled upward from the surface of the molten mass into a lock chamber by means of a pulling device arranged above the molten mass, comprisinga horizontally arranged supporting beam that can be vertically displaced and pivoted about the vertical line, the supporting beam having profile rails arranged perpendicular to the supporting beam and holding claws for accommodating puller components or auxiliary devices mounted on flange rings, the holding claws or auxiliary devices serve for manipulating puller components, anda movable carriage on which a receptacle for gripping and holding the crystal is mounted, the movable carriage engages the profile rails, wherein the receptacle for holding and gripping the crystal includes a slotted holding ring on which the conical crystal end is supported after a lowering process, and wherein pivoted gripping laws are arranged above the holding ring.