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:
Dec. 24, 2024
Filed:
Feb. 05, 2020
Applicant:
SK Siltron Co., Ltd., Gyeongsangbuk-do, KR;
Inventors:
Young Jung Lee, Gyeongsangbuk-do, KR;
Yun Gwang Shin, Gyeongsangbuk-do, KR;
Assignee:
SK SILTRON CO. LTD., Gyeongsangbuk-Do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C30B 15/08 (2006.01); C30B 15/10 (2006.01); C30B 15/30 (2006.01); C30B 35/00 (2006.01);
U.S. Cl.
CPC ...
C30B 15/08 (2013.01); C30B 15/10 (2013.01); C30B 15/30 (2013.01); C30B 35/005 (2013.01); Y10T 117/1056 (2015.01);
Abstract
Provided is a raw material supply unit comprising: a main body having a space into which raw material is filled; a barrier for dividing the main body into two or more areas in the longitudinal direction; a rod extending from above the main body into the interior of same; and a valve, connected to the rod, for covering or exposing the lower portion of the main body, wherein the bottom surface of the main body has a step.