Methods and devices for storing and dispensing liquids
US6905657B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 5, 2001 |
| Grant date | Jun 14, 2005 |
| Priority date | — |
| Expiry date | Apr 27, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T436/2575
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
In a liquid handling system including a liquid handling substrate having a plurality of channels for conducting a liquid sample in said substrate, where the channels terminate in a plurality of exit ports in an outer surface of the substrate for transfer of a quantity of the liquid sample. The handling system also includes a liquid storage and dispensing substrate having a plurality of separable cartridges corresponding to the channels, with each cartridge terminating at a microelectro mechanical system (MEMS) comprising a laminate of glass, silicon and a piezoelectric substance. The handling system further includes a liquid detecting system comprising a light emitting diode and a photo-detector, where each channel includes a reservoir in communication with a corresponding cartridge creating an interface therebetween. The handling system enables a method for storing and dispensing liquids including drawing a liquid sample into the channels either by capillary action, vacuum, electrostatic flow, a minipump or any combination thereof, storing the liquid sample into the cartridge, and dispensing the liquid sample.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.