Mask and method of manufacturing the same
US12016239B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 21, 2023 |
| Grant date | Jun 18, 2024 |
| Priority date | — |
| Expiry date | Mar 21, 2043 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K71/166
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A mask includes a first mask that includes a first long side that extends in a first direction and a first short side that extends in a second direction that crosses the first direction and that includes a first edge portion, a first center portion, and a first welded portion, that are sequentially arranged in the first direction. The mask further includes a second mask that includes a second long side that extends in the first direction and a second short side that extends in the second direction and that includes a second welded portion, a second center portion, and a second edge portion, that are sequentially arranged in the first direction. The first welded portion is in contact with the second welded portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.