Reticle pod
US9412632B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 25, 2012 |
| Grant date | Aug 9, 2016 |
| Priority date | — |
| Expiry date | Apr 24, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01L21/67376
- WIPO fieldSemiconductors
- WIPO sectorElectrical engineering
Abstract
A reticle pod includes an outer pod shell and an outer pod door disposed under the outer pod shell. The outer pod door has at least one gas control hole. A seal ring is disposed between the outer pod shell and the outer pod door. A valve is disposed in each gas control hole. The outer pod shell and the outer pod door are configured to form an enclosure space in order to store a reticle. The seal ring seals the gap between the outer pod shell and the outer pod door. The at least one valve is configured to control gas flow in and out of the enclosure space.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.