Electron beam array alignment means
US4419580A · kind A · utility
25Cited by
4References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 26, 1981 |
| Grant date | Dec 6, 1983 |
| Priority date | — |
| Expiry date | Jun 26, 2001 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J37/3007
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An electron beam lens and deflector array mounting and alignment means are provided. The array is a structure composed of several parallel plates which are held in parallel and axial alignment. The mounting means comprises four slots, one at the end of the four corners of an imaginary rectangle, formed in each facing plate surface. Four cylindrical spacer rods are sandwich between the plates, each seated in two facing slots.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.