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. 18, 2025
Filed:
Sep. 21, 2022
Xi'an Eswin Material Technology Co., Ltd., Xi'an, CN;
Peng Heng, Xi'an, CN;
XI'AN ESWIN MATERIAL TECHNOLOGY CO., LTD., Xi'an, CN;
Abstract
A quartz crucible and a crystal puller for growing a crystal ingot are provided. The quartz crucible includes: a crucible base made of silicon dioxide material; and a coating plated on a part of an inner surface of the crucible base, the coating is configured to prevent oxygen atoms of a coated part of the crucible base from precipitating during the growing process of the crystal ingot; a plating area of the coating gradually decreases along a direction from an opening of the crucible base to a bottom of the crucible base.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile