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:
Jun. 09, 2020
Filed:
Apr. 14, 2016
Samsung Display Co., Ltd., Yongin-si, KR;
Jeongwon Han, Yongin-si, KR;
Samsung Electronics Co., Ltd., Yongin-si, KR;
Abstract
A mask extension welding apparatus for thin film deposition to extend and weld a mask on a frame includes an extension unit configured to extend the mask in a first direction, a pressure unit configured to press the mask towards the frame, and a laser welding unit configured to weld the mask and the frame. The pressure unit includes an upper housing, a lower housing spaced apart from the upper housing with respect to a fluid inlet, and a porous plate disposed at a downstream of the fluid inlet, the porous plate connecting the upper housing and the lower housing, and configured to eject a fluid supplied through the fluid inlet towards the mask.