Patent · US Expired

Microfabricated aperture-based sensor

US6030827A · kind A · utility

368Cited by

24References

49Claims

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	Jan 23, 1998
Grant date	Feb 29, 2000
Priority date	—
Expiry date	Jan 23, 2018

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.