Package, method for manufacturing the same, piezoelectric vibrator, oscillator, electronic device, and radio-controlled timepiece
US8304965B2 · kind B2 · utility
4Cited by
1References
20Claims
0Family size
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Key dates
| Filing date | Aug 25, 2010 |
| Grant date | Nov 6, 2012 |
| Priority date | — |
| Expiry date | Jul 1, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/42
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
Providing a package and a method for manufacturing the package capable of achieving improvement in the degree of vacuum in the cavity, and to provide a piezoelectric vibrator, an oscillator, an electronic device, and a radio-controlled timepiece. There is provided a package which includes a plurality of kinds of gettering materials 20, 21 having different activation temperatures and which are capable of being activated by heating is disposed in the cavity C.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.