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Multipurpose sensor tips for scanning near-field microscopy
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1996
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EngineeringMicroscopyMechanical EngineeringMultipurpose Sensor TipsBiomedical EngineeringElectron MicroscopyMicroscopy MethodNanometrologyInstrumentationBiophysicsReproducible MicromachiningMaterials ScienceOptical SensorsHollow Metal TipsMicrostructureMicrofabricationScanning Probe MicroscopyBiomedical ImagingApplied PhysicsScanning Force MicroscopyMedicine
The reproducible micromachining of hollow metal tips on Si cantilevers and their applicability to scanning probe microscopy techniques are described. Provided with apertures below 130 nm and hollow pyramidal tips proved to be highly suited probes for scanning near-field optical microscopy (SNOM). First results of combined SFM/SNOM measurements together with scanning electron microscopy (SEM) photographs of the new sensors are presented. The SNOM images show a resolution of about 100 nm demonstrating the usefulness of these probes.