Selective mass transfer hoist
US6827779B1 · kind B1 · utility
2Cited by
3References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 26, 2003 |
| Grant date | Dec 7, 2004 |
| Priority date | — |
| Expiry date | Jun 26, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01L21/67057
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A mass transfer system offers the simultaneous transfer and time-saving efficiencies transfer techniques, while also offering the flexibility of prior-art free techniques. A mass transfer mechanism and an associated software control mechanism are equipped with the ability to retract a plurality of lifting arms (6), in a manner so select which of the processing stages (2) the lifting arms (6) will address for each transfer step, while omitting those steps for which transfer is not yet required.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.