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:
Feb. 23, 2016
Filed:
May. 18, 2011
Chin-sung Park, Yongin-si, KR;
Won-jong Jung, Seongnam-si, KR;
Jae-young Kim, Seoul, KR;
Joon-ho Kim, Seongnam, KR;
Chin-sung Park, Yongin-si, KR;
Won-jong Jung, Seongnam-si, KR;
Jae-young Kim, Seoul, KR;
Joon-ho Kim, Seongnam, KR;
Abstract
A microvalve device comprises: a first substrate having a first surface, where at least one fluidic channel is formed into the first surface of the first substrate; and at least one valve seat is formed in the fluidic channel; a second substrate having a second surface, the second substrate comprising at least one air channel and at least one air chamber formed on the second surface of the second substrate, where the air chamber is connected to the air channel; and an elastic film interposed between the first substrate and the second substrate, where an upper portion of the valve seat is lower than the first surface of the first substrate.