Inorganic overcoat for particulate transport electrode grid
US6291088A · kind A · utility
32Cited by
99References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 30, 1998 |
| Grant date | Sep 18, 2001 |
| Priority date | — |
| Expiry date | Sep 30, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/26
- WIPO fieldSemiconductors
- WIPO sectorElectrical engineering
Abstract
An inorganic, top-surface, semiconducting dielectric overcoat, having a selected time constant permits electric field charge and dissipation at a selected rate to facilitate particulate material movement over an underlying electrode grid. The coating may be made from nitrides, oxides or oxy-nitrides of silicon, or amorphous silicon. A planarized, wear resistant, chemically stable surface, and minimized inter-electrode build-up are also provided by the overcoat.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.