Patent · US Active

Surface preparation method

US9533881B2 · kind B2 · utility

0Cited by

4References

28Claims

0Family size

Assignee

ATTANA AB · SE

Inventors

Teodor Aastrup · Stockholm, SE
Daniel Wallinder · Solna, SE
Henrik Anderson · Söderhamn, SE

Key dates

Filing date	Oct 21, 2005
Grant date	Jan 3, 2017
Priority date	—
Expiry date	Apr 16, 2030

Classification

Technology area (CPC G)Physics
CPC primaryG01N2291/0426
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

A method of covalently immobilizing a charged chemical species on or near a sensor surface of a mass-sensitive chemical sensor, the sensor surface bearing functional groups capable of forming covalent bonds with the chemical species, the method involving the application of an electric field between the charged chemical species and the sensor surface such that the electrostatic attraction therebetween is increased.

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