Vacuum sample introduction unit
US4499776A · kind A · utility
3Cited by
4References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 4, 1983 |
| Grant date | Feb 19, 1985 |
| Priority date | — |
| Expiry date | Mar 4, 2003 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J37/18
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A vacuum sample introduction device includes a roller bearing assembly which rigidly supports a probe rod for accurate reciprocation relative to the device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.