Delivering organic powder to a vaporization zone
US7288285B2 · kind B2 · utility
18Cited by
6References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 21, 2004 |
| Grant date | Oct 30, 2007 |
| Priority date | — |
| Expiry date | Oct 27, 2025 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC23C14/26
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A method for vaporizing organic materials and condensing them onto a surface to form a layer, comprising: providing a quantity of organic material in a powdered form in a first container; fluidizing the organic material in the first container and transferring such fluidized material to an auger structure; and rotating at least a portion of the auger structure to transfer fluidized powder from the first container along a feeding path to a vaporization zone where such powder is vaporized and delivered to the substrate to form the layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.