The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 14, 2014
Filed:
Nov. 09, 2010
Toshiro Shimada, Nishishirakawa, JP;
Kosei Sugawara, Nishishirakawa, JP;
Toshiro Shimada, Nishishirakawa, JP;
Kosei Sugawara, Nishishirakawa, JP;
Shin-Etsu Handotai Co., Ltd., Tokyo, JP;
Abstract
A single-crystal manufacturing apparatus according to the Czochralski method, including: a crucible that contains a raw material; a main chamber configured to accommodate a heater for heating and melting the raw material; and a pulling chamber configured to pull and accommodate a grown single crystal, the pulling chamber being continuously provided above the main chamber; an inner shield provided between the heater and the main chamber and for insulating heat radiated from the heater, and a supporting member for supporting the inner shield from below. The inner shield is supported at three or more supporting points contacting the supporting member, and a lower end of the inner shield except at the supporting points does not contact the supporting member.