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:
Apr. 07, 2026
Filed:
Sep. 11, 2023
Applicant:
Globalwafers Co., Ltd., Hsinchu, TW;
Inventors:
Yu-Chiao Wu, Frontenac, MO (US);
William Lynn Luter, St. Charles, MO (US);
Richard J. Phillips, St. Peters, MO (US);
James Dean Eoff, Montgomery City, MO (US);
Assignee:
GlobalWafers Co., Ltd., Hsinchu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C30B 15/04 (2006.01); C30B 15/14 (2006.01); C30B 29/06 (2006.01);
U.S. Cl.
CPC ...
C30B 15/04 (2013.01); C30B 15/14 (2013.01); C30B 29/06 (2013.01); Y10T 117/1032 (2015.01); Y10T 117/1056 (2015.01);
Abstract
An ingot puller for producing a doped single crystal silicon ingot includes a housing defining a chamber, a crucible disposed within the chamber, and a dopant injector attached to and extending into the housing. The chamber is maintained at a first pressure. The dopant injector includes a reservoir for containing a liquid dopant, a feed tube positioned within the chamber and connected to the reservoir, and a vaporization cup positioned within the feed tube and the chamber.