Patent · US Active

Valve unit, microfluidic device with the valve unit, and microfluidic substrate

US9011795B2 · kind B2 · utility

3Cited by
0References
26Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 8, 2007
Grant dateApr 21, 2015
Priority date
Expiry dateOct 18, 2030

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T436/2575
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.