Method of manufacturing a mask frame assembly
US9882129B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 13, 2016 |
| Grant date | Jan 30, 2018 |
| Priority date | — |
| Expiry date | Jun 13, 2036 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC23C16/042
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A mask frame assembly manufactured via an extension-welding process on a stage, the mask frame assembly includes: a mask frame disposed on a stage, the mask frame including a first frame and a second frame having a first length, and a third frame and a fourth frame having a second length, the second length less than the first length. The mask frame assembly also includes a mask having respective ends welded and combined onto the first frame and the second frame. The first frame and the second frame include a slot disposed toward the stage, and at least portions of the first frame and the second frame corresponding to the slot are not in contact with the stage. The third frame and the fourth frame and the stage are in contact with the stage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.