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.

Date of Patent:
Nov. 25, 2008

Filed:

Nov. 26, 2003
Applicants:

Torsten Müller, Berlin, DE;

Thomas Schnelle, Berlin, DE;

Inventors:

Torsten Müller, Berlin, DE;

Thomas Schnelle, Berlin, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 27/447 (2006.01); G01N 27/453 (2006.01);
U.S. Cl.
CPC ...
Abstract

Described is a fluidic microsystem () including at least one channel () through which a particle suspension can flow; and first and second electrode devices () which are arranged on first and second channel walls () for generating electrical alternating-voltage fields in the channel (); wherein the first electrode device () for field shaping in the channel includes at least one first structure element (); and the second electrode device () includes an area-like electrode layer () with a closed second electrode surface which includes a second passivation layer (); wherein the effective electrode surface of the first structure element (), of which element () there is at least one, is smaller than the second electrode surface; and the second passivation layer () is a closed layer which completely covers the second electrode layer ().


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