Packaged device exposed to environmental air and liquids and manufacturing method thereof
US9011776B2 · kind B2 · utility
5Cited by
5References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 29, 2013 |
| Grant date | Apr 21, 2015 |
| Priority date | — |
| Expiry date | Aug 29, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2201/003
- WIPO fieldMicro-structural and nano-technology
- WIPO sectorChemistry
Abstract
A packaged device, wherein at least one sensitive portion of a chip is enclosed in a chamber formed by a package. The package has an air-permeable area having a plurality of holes and a liquid-repellent structure so as to enable passage of air between an external environment and the chamber and block the passage of liquids.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.