Magnetic lens
US4345152A · kind A · utility
14Cited by
3References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 11, 1980 |
| Grant date | Aug 17, 1982 |
| Priority date | — |
| Expiry date | Aug 11, 2000 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J37/02
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A magnetic lens, useful as an objective lens in a focused charged particle beam generator, includes means for maintaining a constant thermal power dissipation independent of the field strength produced thereby.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.