Evaporation apparatus with gas supply
US10081866B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 12, 2013 |
| Grant date | Sep 25, 2018 |
| Priority date | — |
| Expiry date | Nov 23, 2036 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC23C14/562
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
An evaporation apparatus for depositing material on a substrate by a drum is described. The evaporation apparatus includes a first set of evaporation crucibles aligned in a first line a first direction for depositing evaporated material on the substrate; a first gas supply pipe extending in the first direction being arranged between at least one of the evaporation crucibles of the first set of evaporation crucibles and the drum; and a second gas supply pipe extending in the first direction for providing a gas between the first set of evaporation crucibles and the drum with openings shaped and positioned to improve the uniformity of the deposition of the material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.