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:
Aug. 13, 2024
Filed:
Feb. 13, 2020
Applicant:
SK Siltron Co., Ltd., Gyeongsangbuk-do, KR;
Inventors:
Yun Gwang Shin, Gyeongsangbuk-do, KR;
Young Jung Lee, Gyeongsangbuk-do, KR;
Assignee:
SK SILTRON CO., LTD., Gyeongsangbuk-do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C30B 15/02 (2006.01); C30B 29/06 (2006.01);
U.S. Cl.
CPC ...
C30B 15/02 (2013.01); C30B 29/06 (2013.01); Y10T 117/1056 (2015.01);
Abstract
Provided is a raw material supply unit comprising: a body having a space filled with a raw material; a partition for dividing the body, in the longitudinal direction, into at least two areas; at least two valves each provided in the respective areas in the body divided by the partition so as to open/close the lower portion of the body; and a drive unit for raising, in the vertical direction, each of the valves independently of each other.