The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 10, 2006
Filed:
Sep. 30, 2002
Michael P. Surh, Livermore, CA (US);
William D. Wilson, Pleasanton, CA (US);
Troy W. Barbee, Jr., Palo Alto, CA (US);
Stephen M. Lane, Oakland, CA (US);
Michael P. Surh, Livermore, CA (US);
William D. Wilson, Pleasanton, CA (US);
Troy W. Barbee, Jr., Palo Alto, CA (US);
Stephen M. Lane, Oakland, CA (US);
The Regents of the University of California, Oakland, CA (US);
Abstract
A microfluidic device made from nanolaminate materials that are capable of electrophoretic selection of particles on the basis of their mobility. Nanolaminate materials are generally alternating layers of two materials (one conducting, one insulating) that are made by sputter coating a flat substrate with a large number of layers. Specific subsets of the conducting layers are coupled together to form a single, extended electrode, interleaved with other similar electrodes. Thereby, the subsets of conducting layers may be dynamically charged to create time-dependent potential fields that can trap or transport charge colloidal particles. The addition of time-dependence is applicable to all geometries of nanolaminate electrophoretic and electrochemical designs from sinusoidal to nearly step-like.