Apparatus and methods for use of refractory abhesives in protection of metallic foils and leads
US8277274B2 · kind B2 · utility
1Cited by
54References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 28, 2009 |
| Grant date | Oct 2, 2012 |
| Priority date | — |
| Expiry date | Jul 29, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J9/326
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A device having a quartz or glass body forming a chamber hermetically sealed by one or more pinch seals formed in the body wherein a metallic foil provides an electrical connection through a pinch seal. A method is provided for protecting a portion of the metallic foil from corrosion prior to forming the pinch seal by coating at least a portion of the foil with a film comprising silica, and applying a refractory abhesive to at least a portion of the film.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.