Mass transfer tool
US9162880B2 · kind B2 · utility
4Cited by
42References
58Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 7, 2012 |
| Grant date | Oct 20, 2015 |
| Priority date | — |
| Expiry date | Oct 17, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01L2224/7598
- WIPO fieldSemiconductors
- WIPO sectorElectrical engineering
Abstract
Systems and methods for transferring a micro device from a carrier substrate are disclosed. In an embodiment, a mass transfer tool includes an articulating transfer head assembly, a carrier substrate holder, and an actuator assembly to adjust a spatial relationship between the articulating transfer head assembly and the carrier substrate holder. The articulating transfer head assembly may include an electrostatic voltage source connection and a substrate supporting an array of electrostatic transfer heads.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.