Title:
単結晶の製造方法
Document Type and Number:
Japanese Patent JP6471492
Kind Code:
B2
Abstract:
A manufacturing method of a monocrystal includes: a shoulder-formation step to form a shoulder of the monocrystal; and a straight-body-formation step to form a straight body of the monocrystal, in which, in the shoulder-formation step, providing that a distance from a lowermost portion inside the crucible to a top surface of the dopant-added melt is defined as H (mm) and a radius of the top surface of the dopant-added melt is defined as R (mm), the shoulder starts to be formed in a condition that a relationship of 0.4
Inventors:
Narushima Yasuto
Kubota Toshimichi
Utsu Masayuki
Kubota Toshimichi
Utsu Masayuki
Application Number:
JP2014261122A
Publication Date:
February 20, 2019
Filing Date:
December 24, 2014
Export Citation:
Assignee:
Sumco inc.
International Classes:
C30B15/04; C30B15/20; C30B29/06
Domestic Patent References:
| JP9278581A | ||||
| JP2009215117A | ||||
| JP7061893A | ||||
| JP2010100474A | ||||
| JP2009057232A |
Foreign References:
| WO2014175120A1 | ||||
| WO2014039976A1 |
Attorney, Agent or Firm:
Intellectual Property Office