Process for producing aluminum material for use in vacuum
US4615747A · kind A · utility
4Cited by
5References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 17, 1984 |
| Grant date | Oct 7, 1986 |
| Priority date | — |
| Expiry date | Dec 17, 2004 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC23C8/12
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
An aluminum material for use in a vacuum is produced by a process comprising the steps of removing a hydrated oxide coating from the surface of a worked aluminum material to obtain a clean surface in a dry state, and heating the aluminum material in an oxygen gas-containing atmosphere out of contact with the water-containing atmosphere to form an oxide coating on the dry clean surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.