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.:

US 8544316 B1

PDF
Full Text
Expired
Date of Patent:
Oct. 01, 2013

Filed:

Jul. 18, 2011
Applicants:

Sungjoon Choi, Daegu, KR;

Daeyoung Shin, Incheon, KR;

Kangwon Lee, Cheonan-si, KR;

Inventors:

Sungjoon Choi, Daegu, KR;

Daeyoung Shin, Incheon, KR;

Kangwon Lee, Cheonan-si, KR;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N 11/10 (2006.01);
U.S. Cl.
CPC ...
Abstract

Disclosed is a micro viscometer comprising a first chamber and a second chamber positioned with an interval; a micro channel that connects the first chamber and the second chamber; and a first thin film and a second thin film arranged on top of the first chamber and the second chamber, respectively, wherein a height of the first chamber and second chamber are substantially identical to a half wavelength corresponding a first resonant frequency of the first thin film and the second thin film, respectively, and a width of the first chamber and the second chamber are narrower than the height of the first chamber and the second chamber.


Find Patent Forward Citations

Choi, Sungjoon. (2013). Micro viscometer (U.S. Patent No. 8544316). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8544316

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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