Apparatus for producing crystals

Claim 1

APPARATUS FOR THE PREPARATION OF CRYSTALLINE SEMICONDUCTOR MATERIAL COMPRISING A FURENACE CHAMBER, A CRUCIBLE MOUNTED WITHIN THE FURNACE CHAMBER FOR CONTAINING A MELT OF SAID MATERIAL, MEANS FOR CONTROLLING THE TEMPERATURE OF THE MELT IN THE CRUCIBLE, A STORAGE CHAMBER DISPOSED ABOVE THE FURNACE CHAMBER, MEANS DEMOUNTABLY INTERCONNECTING THE FURNACE AND STORAGE CHAMBERS, WINDUP MEANS ROTATABLY MOUNTED WITHIN THE STORAGE CHAMBER, SAID WIND-UP MEANS ADAPTED TO RECEIVE AND STORE THE GROWN CRYSTALLINE SEMICONDUCTOR MATERIAL, SAID STORAGE CHAMBER CONSISTING OF A TOROIDAL SHAPED END ENCLOSURE AND A TRIANGULAR SHAPED END ENCLOSURE, THE TWO END ENCLOSURES BEING JOINTED TOGETHER BY OUTER WALLS OF THE TRIANGULAR SHAPED END ENCLOSURE BEING EXTENDED TO SMOOTHLY BLEND INTO THE TOROIDAL SHAPED END ENCLOSURE AS TANGENIAL EXTENSIONS OF THE TOROIDAL SHAPED END ENCLOSURE SIDE WALL, THE TRIANGULAR SHAPED END ENCLOSURE DEFINING AN ENLARGED ZONE THEREIN NEAR THE MEANS FOR INTERCONNECTING THE TWO CHAMBERS, SAID MEANS FOR INTERCONNECTING THE CHAMBERS MATING WITH THE STORAGE CHAMBER AT THE TRIANGULAR SHAPED END ENCLOSURES THEREOF.