Mask assembly and method for manufacturing the same
US12364010B2 · kind B2 · utility
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1References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 21, 2022 |
| Grant date | Jul 15, 2025 |
| Priority date | — |
| Expiry date | Jan 25, 2044 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC25D1/10
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A mask assembly includes a frame including a frame opening, and a mask disposed on the frame. The mask includes a body portion including an upper surface and a lower surface opposing each other and deposition openings spaced apart from each other, protrusions protruding from the upper surface and surrounding the corresponding deposition openings, and at least one step formation pattern overlapping the protrusions in a plan view and disposed in the body portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.