Method of producing carbon-containing materials by electron beam vacuum evaporation of graphite and subsequent condensation
US5296274A · kind A · utility
Inventors
Key dates
| Filing date | Nov 8, 1991 |
| Grant date | Mar 22, 1994 |
| Priority date | — |
| Expiry date | Nov 8, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC25C7/025
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A method of producing carbon-containing materials, residing in that, prior to electron-beam vacuum evaporation of graphite, on the surface of the graphite there is disposed a transition metal of Groups VI-VIII of the Periodic System or a mixture of at least two transition metals of said Groups, ensuring a higher rate of evaporation of graphite with respect to said metals or mixture, the metal or mixture is melted by an electron beam (10), evaporation of the graphite proceeding through the resulting melt (11) with subsequent condensation of the graphite on a support (4). In the course of gradual consumption of the graphite and said metal or mixture their supply into the resulting melt (11) is effected in such a manner that the consumed surface of the graphite should be completely overlapped by the melt (11).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.