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:
May. 26, 2026
Filed:
Sep. 16, 2021
Hanwha Solutions Corporation, Seoul, KR;
Hanwha Corporation, Seoul, KR;
HANWHA SOLUTIONS CORPORATION, Seoul, KR;
HANWHA CORPORATION, Seoul, KR;
Abstract
An intake/exhaust device of an apparatus for growing a silicon ingot includes: a chamber of which an inside is maintained in a vacuum atmosphere, and which includes a first section having a main crucible in a center thereof so that an ingot grows therein, and a second section having, on an outer side of an upper end thereof, a preliminary melting device for providing molten silicon to a main crucible; and a vacuum pump connected to the chamber to provide vacuum pressure, wherein a first section of the chamber has a first injection port through which inert gas for removing oxides and impurities inside the chamber flows, and a first exhaust port through which the inert gas is discharged, and the second section of the chamber also has a second injection port through which the inert gas flows, and a second exhaust port through which the inert gas is discharged.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile