Manipulation of magnetic or magnetizable objects using magnetophoresis and dielectrophoresis
US8409415B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 23, 2007 |
| Grant date | Apr 2, 2013 |
| Priority date | — |
| Expiry date | Dec 1, 2031 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB03C2201/26
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A device for manipulating magnetic or magnetizable objects in a medium is provided. The device has a surface lying in a plane and comprises a set of at least two conductors electrically isolated from each other, wherein the at least two conductors are adapted for both generating a magnetophoresis force for moving the magnetic or magnetizable objects over the surface of the device in a direction substantially parallel to the plane of the surface, and generating a dielectrophoresis force for moving the magnetic or magnetizable objects in a direction substantially perpendicular to the plane of the surface. Also provided is a method for manipulating magnetic or magnetizable objects in a medium. The method uses a combined magnetophoresis and dielectrophoresis actuation principle for controlling in-plane as well as out-of-plane movement of the magnetic or magnetizable objects.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.