Evaporation crucible and evaporation apparatus
US11396694B2 · kind B2 · utility
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19Claims
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Key dates
| Filing date | Jul 18, 2017 |
| Grant date | Jul 26, 2022 |
| Priority date | — |
| Expiry date | Oct 16, 2039 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC23C14/12
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
The present application discloses an evaporation crucible including a crucible body and a plurality of nozzles connected to the crucible body. Each of the plurality of nozzles has an opening on a side distal to the crucible body. The plurality of nozzles include a first nozzle on a first edge of the plurality of nozzles. The first nozzle has a first height relative to a surface of the crucible body on a side proximal to the first edge greater than a second height relative to the surface of the crucible body on a side distal to the first edge.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.