Miniature x-ray device having cold cathode
US5854822A · kind A · utility
46Cited by
111References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 25, 1997 |
| Grant date | Dec 29, 1998 |
| Priority date | — |
| Expiry date | Jul 25, 2017 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61N5/1002
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Generally, the present invention provides a device for insertion into a body and delivery of x-ray radiation, and a method for fabricating such a device. The device includes a connector, the vacuum housing, an anode and a cathode having a granular surface and being composed of a material that allows it to act as a getter. The cathode may also contain diamond material in one embodiment.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.