APPARATUS FOR PRODUCING INGOT

An apparatus for producing an ingot includes a crucible and a lid. The crucible, as a cylindrical container for accommodating a raw crystal-growing material, has an annular top edge further having an annular non-90° first guiding part. The lid provides a bottom for disposing a seed, and the bottom i...

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Bibliographische Detailangaben
Hauptverfasser: KUO, MING-TSUN, CHANG, PING-KUAN, CHEN, SUNG-YU, CHEN, YUN-FENG, LIU, SHUIIN
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:An apparatus for producing an ingot includes a crucible and a lid. The crucible, as a cylindrical container for accommodating a raw crystal-growing material, has an annular top edge further having an annular non-90° first guiding part. The lid provides a bottom for disposing a seed, and the bottom is furnished thereon a bottom protrusion. An outer wall of the bottom protrusion is furnished with an annular non-90° second guiding part corresponding to the first guiding part. The lid is detachable to cover the crucible by having the bottom protrusion to fit the annular the main inner wall, the first guiding part and the annular second guiding part to contact each other, and a portion of the bottom of the lid surrounding the bottom protrusion to contact the top edge of the crucible.