Multi-level getter structure and encapsulation structure comprising such a multi-level getter structure
US10221063B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Dec 11, 2015 |
| Grant date | Mar 5, 2019 |
| Priority date | — |
| Expiry date | Jan 11, 2036 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB81C2203/019
- WIPO fieldMicro-structural and nano-technology
- WIPO sectorChemistry
Abstract
A getter structure is provided, including a support; a first layer of getter material disposed on the support a second layer of getter material, the first layer of getter material being disposed between the support and the second layer of getter material; a first portion of material mechanically connecting a first face of the second layer of getter material to a first face of the first layer of getter material and forming at least one first space between the first faces of the first and second layers of getter material configured to allow a circulation of gas between the first faces of the first and second layers of getter material; and a first opening crossing through at least the second layer of getter material and emerging into the first space.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.