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:
Feb. 03, 2015

Filed:

Jul. 21, 2011
Applicants:

Kak Namkoong, Yongin-si, KR;

Joon-ho Kim, Yongin-si, KR;

Won-jong Jung, Yongin-si, KR;

Chin-sung Park, Yongin-si, KR;

Inventors:

Kak Namkoong, Yongin-si, KR;

Joon-ho Kim, Yongin-si, KR;

Won-jong Jung, Yongin-si, KR;

Chin-sung Park, Yongin-si, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K 3/00 (2006.01); B01L 3/00 (2006.01); F16K 99/00 (2006.01);
U.S. Cl.
CPC ...
B01L 3/502738 (2013.01); F16K 37/066 (2013.01); B01L 2300/0816 (2013.01); B01L 2300/123 (2013.01); B01L 2400/0655 (2013.01); F16K 99/0015 (2013.01); F16K 99/0057 (2013.01); F16K 99/0059 (2013.01); F16K 2099/0084 (2013.01);
Abstract

A microfluidic device including at least one microvalve which controls a flow of a fluid, where the at least one microvalve includes: a pneumatic layer, a fluidic layer disposed opposite to the pneumatic layer; an elastomer membrane disposed between the pneumatic layer and the fluidic layer; and an asymmetric valve seat protruding from a surface of the fluidic layer toward a surface of the elastomer membrane and asymmetrically dividing a space between the fluidic layer and the elastomer membrane.


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