| 发明名称 |
METHOD AND APPARATUS FOR MANUFACTURING SINGLE CRYSTAL |
| 摘要 |
Disclosed herein is a method for manufacturing a single crystal, the method includes: photographing an image of a boundary portion between the single crystal and a melt by a camera during a single crystal pull-up process according to a Czochralski method; comparing at least one pixel included in a left side region with respect to an extension line of a pull-up shaft of the single crystal and at least one pixel included in a right side region with respect to the extension line; and determining an abnormality in a luminance distribution of the image from a result of the comparing. |
| 申请公布号 |
US2017076437(A1) |
申请公布日期 |
2017.03.16 |
| 申请号 |
US201615247032 |
申请日期 |
2016.08.25 |
| 申请人 |
SUMCO CORPORATION |
发明人 |
HAMADA Ken |
| 分类号 |
G06T7/00 |
主分类号 |
G06T7/00 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A method for manufacturing a single crystal comprising:
photographing an image of a boundary portion between the single crystal and a melt by a camera during a single crystal pull-up process according to a Czochralski method; comparing at least one pixel included in a left side region with respect to an extension line of a pull-up shaft of the single crystal and at least one pixel included in a right side region with respect to the extension line; and determining an abnormality in a luminance distribution of the image from a result of the comparing. |
| 地址 |
Tokyo JP |
