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:
Mar. 30, 2010
Filed:
Nov. 28, 2006
Tomoki Nakao, Kawaguchi, JP;
Tomoki Nakao, Kawaguchi, JP;
Enplas Corporation, Saitama, JP;
Abstract
There is provided a microfluidic device capable of preventing the flow of a fluid from being interrupted by bubbles generated in a micro flow passage. In a microfluidic devicewherein a micro flow passagehaving a substantially constant height is formed for allowing a fluid to flow therein and wherein a narrow portion is formed in a portion of the micro flow passage by forming a columnar portionor the like in the micro flow passage, an extending recessed portionfor extending the micro flow passage upwards is formed upstream of the narrow portion, and a plurality of raised portions extending in substantially parallel to longitudinal directions of the micro flow passage are formed on a portion of the bottom face of the micro flow passage facing the extending recessed portion if necessary.