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:
Feb. 10, 2026
Filed:
May. 25, 2023
Globalwafers Co., Ltd., Hsinchu, TW;
Chun-Sheng Wu, Hsinchu, TW;
Hong-Huei Huang, Zhubei, TW;
Hsien-Ta Tseng, Zhunan Township, TW;
Chen-Yi Lin, Zhunan Township, TW;
Feng-Chien Tsai, Zhubei, TW;
Yu-Chiao Wu, Frontenac, MO (US);
Benjamin Michael Meyer, Defiance, MO (US);
Young Gil Jeong, Frisco, TX (US);
Che-Min Chang, Taipei, TW;
Carissima Marie Hudson, Saint Charles, MO (US);
GlobalWafers Co., Ltd., Hsinchu, TW;
Abstract
Ingot puller apparatus for producing a doped single crystal silicon ingot are disclosed. The ingot puller apparatus includes a dopant feeder having a first dopant receptacle for holding a first batch of dopant and a second dopant receptacle for holding a second batch of dopant. A rotation mechanism rotates the first dopant receptacle to release the first batch of dopant into the crucible and rotates the second dopant receptacle to release the second batch of dopant into the crucible.