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:
Oct. 15, 2024
Filed:
Jul. 23, 2021
Xi'an Eswin Material Technology Co., Ltd., Xi'an, CN;
Xi'an Eswin Silicon Wafer Technology Co., Ltd., Xi'an, CN;
Wenwu Yang, Xi'an, CN;
Bokcheol Sim, Xi'an, CN;
XI'AN ESWIN MATERIAL TECHNOLOGY CO., LTD., Xi'an, CN;
XI'AN ESWIN SILICON WAFER TECHNOLOGY CO., LTD., Xi'an, CN;
Abstract
A cylinder assembly of a single crystal pulling apparatus and a single crystal pulling apparatus are provided in the present disclosure. The cylinder assembly includes an inner cylinder, an outer cylinder, an annular plate and a sleeve. The inner cylinder has a shape of inverted conical. An upper end of the inner cylinder is connected to an upper end of the outer cylinder. A lower end of the outer cylinder is hermetically connected to an outer edge of the annular plate. A lower end of the inner cylinder is fixedly connected to an upper surface of the annular plate. The sleeve passes through and is fixed in an annular opening of the annular plate.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile