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:
Mar. 19, 2024
Filed:
Jun. 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;
XIAN ESWIN MATERIAL TECHNOLOGY CO., LTD., Xi'an, CN;
XI'AN ESWIN SILICON WAFER TECHNOLOGY CO., LTD., Xi'an, CN;
Abstract
An assembly sleeve of a single crystal pulling apparatus, and the single crystal pulling apparatus are provided. The assembly sleeve includes inner and outer cylinders and a bottom cylinder. The outer cylinder is provided with openings at both ends and sleeved onto the inner cylinder. The bottom cylinder is arranged at the opening at a lower end of the outer cylinder, and includes an annular plate and a lower cylinder. Each of the inner lower cylinders is of an inverted-cone shape, an upper end of the inner cylinder is connected to an upper end of the outer cylinder, an outer edge of the annular plate is hermetically connected to the lower end of the outer cylinder, an inner edge of the annular plate is connected to an upper end of the lower cylinder, and a lower end of the inner cylinder is fixedly connected to an upper surface of the annular plate.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile