Patent · US Active

Middle layer of die structure that comprises a cavity that holds an alkali metal

US7973611B2 · kind B2 · utility

1Cited by
4References
10Claims
0Family size

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Key dates

Filing dateSep 11, 2007
Grant dateJul 5, 2011
Priority date
Expiry dateSep 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.