Mask device and method of coating resin using the same
US12251727B2 · kind B2 · utility
0Cited by
8References
9Claims
0Family size
Assignee
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Key dates
| Filing date | May 2, 2023 |
| Grant date | Mar 18, 2025 |
| Priority date | — |
| Expiry date | May 2, 2043 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05K5/02
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A mask device includes a mesh mask and a metal mask disposed under the mesh mask. The mesh mask includes a mesh pattern and a plurality of first blocking portions disposed in the mesh pattern to block portions of the mesh pattern, the metal mask includes a plurality of second blocking portions overlapping the first blocking portions in a plan view, and the metal mask is provided with an accommodation opening defined through in the metal mask, and not overlapping the first blocking portions in a plan view.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.