ATTANA AB Patent applications |
Patent application number | Title | Published |
20120090389 | PIEZOELECTRIC RESONATOR - A piezoelectric resonator for use in a sensor arrangement for detecting or measuring an analyte in a medium, comprises a quartz crystal plate, having a first crystal surface and a second crystal surface. The first crystal surface is provided with a first electrode, which has a surface area of less than 15 mm | 04-19-2012 |
20090142789 | Surface Preparation Method - A method of covalently immobilising 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. | 06-04-2009 |