Patent · US Expired

Microfabricated aperture-based sensor

US6379883B2 · kind B2 · utility

142Cited by

3References

10Claims

0Family size

Assignee

I-STAT Corporation · US

Inventors

Graham Davis · Manalapan, US
Chao Lin · Nanhu, CN
Imants R. Lauks · Yardley, US
Raymond J. Pierce · Ottawa, CA

Key dates

Filing date	Dec 21, 2000
Grant date	Apr 30, 2002
Priority date	—
Expiry date	Dec 21, 2020

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S435/817
WIPO fieldBiotechnology
WIPO sectorChemistry

Abstract

A chemical sensor includes an enzyme layer, a diffusion layer and an analyte barrier layer positioned over the diffusion layer. Apertures are formed by microfabrication in the analyte barrier layer to allow controlled analyte flux to the diffusion layer.

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