Container for evaporation of metal and method to manufacture thereof
US7494616B2 · kind B2 · utility
4Cited by
16References
42Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 4, 2005 |
| Grant date | Feb 24, 2009 |
| Priority date | — |
| Expiry date | Dec 19, 2026 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF27D5/0068
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A refractory container for evaporating metals, having improved useful life and corrosion resistance properties, the evaporation surface of the container having a plurality of grooves formed at the bottom surface. The grooves have either a depth of at least 1.2 mm, a width of at least 1.75 mm, or an interval spacing of at least 2.2 mm between adjacent grooves (or centers of adjacent grooves), and combinations thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.