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:
Jan. 16, 2024
Filed:
Oct. 07, 2021
Applicant:
Globalwafers Co., Ltd., Hsinchu, TW;
Inventors:
Jiaying Ke, Spring, TX (US);
Sumeet S. Bhagavat, St. Charles, MO (US);
Jaewoo Ryu, Chesterfield, MO (US);
Benjamin Meyer, Defiance, MO (US);
William Luter, St. Charles, MO (US);
Carissima Marie Hudson, St. Charles, MO (US);
Assignee:
GlobalWafers Co., Ltd., Hsinchu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C30B 15/10 (2006.01); C30B 15/08 (2006.01); C30B 29/06 (2006.01); C30B 35/00 (2006.01);
U.S. Cl.
CPC ...
C30B 15/10 (2013.01); C30B 15/08 (2013.01); C30B 29/06 (2013.01); C30B 35/002 (2013.01); Y10T 117/1032 (2015.01); Y10T 117/1068 (2015.01);
Abstract
Ingot puller apparatus for preparing a single crystal silicon ingot by the Czochralski method are disclosed. The ingot puller apparatus includes a heat shield. The heat shield has a leg segment that includes a void (i.e., an open space without insulation) disposed in the leg segment. The heat shield may also include insulation partially within the heat shield.