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:
May. 08, 2012
Filed:
Apr. 28, 2004
Nan-kuang Yao, Taoyuan, TW;
Jhy-wen Wu, Hsinchu, TW;
Nan-Kuang Yao, Taoyuan, TW;
Jhy-Wen Wu, Hsinchu, TW;
Industrial Technology Research Institute, Hsinchu, TW;
Abstract
A microfluidic chip with a built-in gravity-driven micropump is provided. The gravity-driven micropump comprises a winding channel, an inert fluidic material placed inside the winding channel, and a suction channel that links the winding channel to the microfluidic chip. The winding channel is for the inert fluidic material to flow in. A fixed volume of high density, inert fluidic material is placed in the winding channel to act as a micropump in the bio chip. When the microfluidic chip is placed in a declining or standing position, the inert fluidic material flows along the winding channel due to the gravity. The invention provides a simple, convenient, and robust microfluid pumping source. With the built-in micropump, this invention is free-of-pollution and saves the manufacturing cost for the pipe link between the bio chip and peripheral devices.