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:
Apr. 21, 2015
Filed:
Nov. 08, 2007
Beom-seok Lee, Yongin-si, KR;
Yoon-kyoung Cho, Suwon-si, KR;
Jeong-gun Lee, Seoul, KR;
Jong-myeon Park, Seoul, KR;
Beom-seok Lee, Yongin-si, KR;
Yoon-kyoung Cho, Suwon-si, KR;
Jeong-gun Lee, Seoul, KR;
Jong-myeon Park, Seoul, KR;
Samsung Electronics Co., Ltd., Suwon-si, KR;
Abstract
Provided are a valve unit and a microfluidic device including the valve unit. The valve unit includes: a valve substance container containing a valve substance, the valve substance including a phase change material that is solid at ambient temperature and melts by absorbing energy; a valve connection path connecting the valve substance container to a channel forming a fluid passage; and a pair of drain chambers formed along the channel at both sides of the valve connection path.