Fluid-suspended microcomponent harvest, distribution, and reclamation
US10242977B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 12, 2017 |
| Grant date | Mar 26, 2019 |
| Priority date | — |
| Expiry date | Dec 12, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01L2224/95144
- WIPO fieldSemiconductors
- WIPO sectorElectrical engineering
Abstract
Fluid-suspended microcomponent management systems and methods are provided. The method provides a first reservoir containing a first solution and a magnetic collection head. A plurality of magnetically polarized microcomponents is suspended in the first solution, where each microcomponent has a maximum cross-section of 150 micrometers (μm) and a maximum mass of 1 microgram. A magnetic field is induced in the collection head and the microcomponents are exposed to the magnetic field. A plurality of microcomponents becomes fixed in position on a collection surface in response to the magnetic field. In one aspect, the step of exposing the microcomponents to the magnetic field includes immersing the collection head in the first reservoir. As a result, the plurality of microcomponents is collected on a surface of the collection head. Alternatively, the step of fixing the plurality of microcomponents in position includes fixing the microcomponents in position on the collection surface sidewall.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.