Title:
AN APPARATUS AND METHOD FOR RECHARGE RAW MATERIAL
Document Type and Number:
WIPO Patent Application WO/2005/007941
Kind Code:
A1
Abstract:
An apparatus and method for recharge raw material in the crystal growth. Use a feed tube to recharge raw material in a crucible. Cover the lower end of the tube with a plate. The plate is made of the same raw material as the charge in the crucible. Load the raw material in the tube, and then lower the tube into the melt in crucible. When the plate is melted, the raw material in the tube is droped into the crucible. It can be recharged using the feed tube after pulling a ingot, sequentially multiple ingots can be grown by using one crucible. In this apparatus and methods, there are not limited for the shape and size of the raw material, and increase the quantity of the raw material with one time. This apparatus and method can improve productivity, product quality and yield. Lowering material consumption, energy and cost.
Inventors:
YUAN JIANZHONG (CN)
Application Number:
PCT/CN2003/000579
Publication Date:
January 27, 2005
Filing Date:
July 18, 2003
Export Citation:
Assignee:
YUAN JIANZHONG (CN)
International Classes:
C30B15/02; C30B29/06; (IPC1-7): C30B15/00; C30B29/06
Domestic Patent References:
| WO2002068732A1 | 2002-09-06 |
Foreign References:
| JPH0840794A | 1996-02-13 | |||
| JPH06263586A | 1994-09-20 | |||
| US4557795A | 1985-12-10 | |||
| CN1276026A | 2000-12-06 |
Attorney, Agent or Firm:
SHANGHAI KAIJI INTELLECTUAL PROPERTY AGENT CO., LTD. (188 Nandandong Road, Shanghai 0, CN)
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