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:
Jul. 08, 2025
Filed:
Jan. 10, 2023
Applicant:
Globalwafers Co., Ltd., Hsinchu, TW;
Inventors:
Carissima Marie Hudson, St. Charles, MO (US);
JaeWoo Ryu, Chesterfield, MO (US);
HyungMin Lee, Cheonan-Si, KR;
Assignee:
GlobalWafers Co., Ltd., Hsinchu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C30B 15/20 (2006.01); C30B 29/06 (2006.01); C30B 33/08 (2006.01);
U.S. Cl.
CPC ...
C30B 15/20 (2013.01); C30B 29/06 (2013.01); C30B 33/08 (2013.01);
Abstract
Methods for producing a product ingot from a silicon melt held within a crucible are disclosed. The methods involve evaluating one or more ingot puller apparatus to determine if the apparatus is capable of producing low oxygen content silicon product ingots. A sample rod is pulled from the silicon melt and the oxygen content of the sample rod is measured.