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Patent Searching and Data


Title:
VAPOR-DEPOSITION-MASK MANUFACTURING METHOD
Document Type and Number:
WIPO Patent Application WO/2020/065861
Kind Code:
A1
Abstract:
The present invention provides a method for manufacturing a vapor-deposition mask (35) including a mask sheet (30) having vapor-deposition holes corresponding to a plurality of pixels, and a mask frame (31) to which ends of the mask sheet (30) are fixed, the method including, in this sequence: a step for placing the ends of the mask sheet (30) on the mask frame (31); a step for welding at least one end of the mask sheet (30) to the mask frame (31) in a state in which the ends of the mask sheet (30) are stretched; and a step for controlling the magnetic-force generating position in a direction parallel to the surface of the mask sheet (30) so as to smooth out creases in the mask sheet (30).

Inventors:
INUZUKA MASAHIRO
SONODA TOHRU
KOIKE EIJI
Application Number:
PCT/JP2018/036066
Publication Date:
April 02, 2020
Filing Date:
September 27, 2018
Export Citation:
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Assignee:
SHARP KK (JP)
International Classes:
C23C14/04; H01L51/50; H05B33/10
Domestic Patent References:
WO2009084623A12009-07-09
Foreign References:
JP2015010263A2015-01-19
JP2015089959A2015-05-11
Attorney, Agent or Firm:
HARAKENZO WORLD PATENT & TRADEMARK (JP)
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