Sealing interface for microfluidic device
US7028536B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 29, 2004 |
| Grant date | Apr 18, 2006 |
| Priority date | — |
| Expiry date | Sep 15, 2024 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01L2400/0487
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A threadless interface for a fluidic system includes a microfluidic device having an outer surface and an internal near-surface channel having a first width and disposed at a first depth relative to the outer surface, with the first width being less than about two times the first depth. A fluidic seal engages the outer surface and exerts an elevated contact pressure against at least a portion of the outer surface without substantially occluding the channel. A preferred seal includes a raised boss. A fault tolerant flow path design can accommodate misalignment between adjacent device layers without detrimentally affecting fluid flow capability. The interface may be used in a microfluidic system for performing parallel analyses such as high performance liquid chromatography.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.