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:
Jul. 27, 2021
Filed:
Jan. 04, 2019
Samsung Display Co., Ltd., Yongin-si, KR;
Junggon Kim, Hwaseong-si, KR;
Sunghun Key, Seoul, KR;
Choelmin Jang, Seoul, KR;
Myungsoo Huh, Suwon-si, KR;
SAMSUNG DISPLAY CO., LTD., Yongin-si, KR;
Abstract
A deposition apparatus includes a deposition gas supply unit including an opening and closing valve. The deposition gas supply unit is configured to selectively supply a source gas or a mixture gas into a chamber. A cleaning gas supply unit is configured to supply a cleaning gas into the chamber. A deposition head includes a first deposition head including a first nozzle configured to supply the source gas and the cleaning gas and a second deposition head including a second nozzle configured to supply the source gas, the mixture gas, and the cleaning gas. An exhaust unit is configured to discharge the cleaning gas and remaining source and mixture gases from the chamber. A cleaning gas valve unit is configured to be selectively opened and closed to supply the cleaning gas to at least any one of the first deposition head and the second deposition head.