Middle layer of die structure that comprises a cavity that holds an alkali metal
US7973611B2 · kind B2 · utility
1Cited by
4References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 11, 2007 |
| Grant date | Jul 5, 2011 |
| Priority date | — |
| Expiry date | Sep 11, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG04F5/14
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An apparatus in one example comprises a die structure that comprises a middle layer, a first outside layer, and a second outside layer. The middle layer comprises a cavity that holds an alkali metal, and one of the first outside layer and the second outside layer comprises a channel that leads to the cavity. The middle layer, the first outside layer, and the second outside layer comprise dies from one or more wafer substrates.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.