Penning vacuum meter
US6285192A · kind A · utility
5Cited by
3References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 14, 1999 |
| Grant date | Sep 4, 2001 |
| Priority date | — |
| Expiry date | Oct 14, 2019 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01L21/34
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The invention relates to a Penning vacuum meter (1), comprising a cathode and an anode. According to the invention, the cathode (11) consists at least mainly of titanium in order to avoid the detrimental effects of the cathode disintegrating.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.