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:
Jul. 15, 2014

Filed:

Dec. 01, 2010
Applicants:

Won-jong Jung, Seongnam-si, KR;

Chin-sung Park, Yongin-si, KR;

Kak Namkoong, Seoul, KR;

Joon-ho Kim, Seongnam-si, KR;

Hyung-sok Yeo, Hwaseong-si, KR;

Inventors:

Won-jong Jung, Seongnam-si, KR;

Chin-sung Park, Yongin-si, KR;

Kak Namkoong, Seoul, KR;

Joon-ho Kim, Seongnam-si, KR;

Hyung-sok Yeo, Hwaseong-si, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K 1/00 (2006.01); B01L 99/00 (2010.01); F16K 99/00 (2006.01);
U.S. Cl.
CPC ...
F16K 99/0026 (2013.01);
Abstract

A microfluidic device including a microvalve includes a first substrate, a second substrate facing the first substrate, an elastic film between the first and second substrates, a microfluidic channel on the second substrate, a valve seat of the second substrate protruding in the microfluidic channel, and a fine structure on a surface of the elastic film, facing the valve seat and which contacts the valve seat when the microvalve is operated.


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