Metal mask, metal mask plate and method of manufacturing the same
US11091829B2 · kind B2 · utility
1Cited by
2References
9Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Nov 2, 2018 |
| Grant date | Aug 17, 2021 |
| Priority date | — |
| Expiry date | Mar 20, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K71/166
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A metal mask includes a mask body part and two connecting parts disposed at opposite sides of the mask body part. Each of the connecting parts includes a body portion and a single-stage step portion. A side of the body portion is connected to the mask body part, and an opposite side of the body portion is connected to the single-stage step portion. A thickness of the single-stage step portion is smaller than a thickness of the body portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.