Fast FOUP swapping with a FOUP handler
US11798830B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 3, 2022 |
| Grant date | Oct 24, 2023 |
| Priority date | — |
| Expiry date | Nov 3, 2042 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01L21/68707
- WIPO fieldSemiconductors
- WIPO sectorElectrical engineering
Abstract
A vertical batch furnace assembly for processing wafers having a cassette handling space, a wafer handling space, and a first wall and separating the cassette handling space from the wafer handling space. The first wall has at least one wafer transfer opening in front of which, at a side of the first wall which is directed to the cassette handling space, a wafer transfer position for a wafer cassette is provided. The cassette handling space comprises a cassette storage having a plurality of cassette storage positions and a cassette handler configured to transfer wafer cassettes between the cassette storage positions and the wafer transfer position. The cassette handler has a first cassette handler arm and a second cassette handler arm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.