Mask and method of manufacturing the same
US11864453B2 · kind B2 · utility
1Cited by
8References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 26, 2021 |
| Grant date | Jan 2, 2024 |
| Priority date | — |
| Expiry date | Oct 26, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K71/166
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
Provided is a mask including a mask frame including a base part in which cell openings are defined, and a coating part surrounding edges of the cell openings, covering at least a portion of an upper surface of the base part, and including a materials that is different from that of the base part, and unit masks on the mask frame, respectively corresponding to the cell openings, including a material that is different from that of the coating part, and in which openings are defined.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.