VESTA—Micron-scale Localized Thermal Analysis

4 Sept 2007
Greg Smith
Analyst / Analytical Chemist

Product news

Anasys Instruments, the pioneers of nanoscale thermal measurements, announce the release of VESTA, the first stand-alone solution for Localized Thermal Analysis (LTA) measurements at the micron scale. This is ideal for the quality control of coatings, study of heterogeneous samples, and in-situ failure analysis applications for researchers in the polymer and pharmaceutical industries.

This easy-to-use instrument is designed with an integrated optical microscope for the operator to identify features of interest down to 1.5 micron in size. The operator can just click on any feature of interest in the image to perform localized thermomechanical analysis (TMA) on the features of interest using one of Anasys’ customised heated probes. VESTA enables materials characterization through the study of glass transition and melting temperatures of only the identified feature while the rest of the sample is unperturbed.

Anasys provides a variety of fabricated thermal probes of different end radius (30nm up to 5 micron) to enable optimum interrogation of sample volumes from a few cubic microns to tens of cubic nanometres or sample masses of a few micrograms down to as small as a few picograms.

This point and click technology brings a new and simple tool for scientists and technicians in academia and industry to make routine thermal analysis measurements on the micron scale. Previously, such capabilities were only available in conjunction with an expensive and complex atomic force microscope. VESTA provides a low cost solution for point thermal analysis measurements while retaining the ability to look at sample volumes on the nano scale.

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Thermal Analysis EquipmentThermal analysis equipment is used for measuring heat flow, weight loss, dimension changes or thermomechanical properties and is important for analyzing a material’s performance and stability. Thermal analysis equipment includes differential scanning calorimeters (DSC), thermogravimetric analyzers (TGA), thermomechanical analyzers (TMA), dilatometers, thermometers, vapor sorption analyzers, boiling and melting point apparatus. Thermal analyzers can reveal properties such as melting, crystallization and glass transitions or other processes such as oxidation, decomposition, volatilization, as well as coefficients of thermal expansion and modulus. Find the best thermal analysis equipment in our peer-reviewed product directory: compare products, check customer reviews and receive pricing direct from manufacturers.Light MicroscopyLight microscopes or optical microscopes are used to visualize microscale objects under magnification, including cells, clinical specimens and materials. Lab equipment for light microscopy includes confocal microscopes, fluorescence microscopes, zoom and stereo microscopes. Microscope slides and imaging reagents are available for visualizing samples, as well as various microscope stages and incubators for large or temperature-sensitive samples. Find the best light microscopes in our peer-reviewed product directory: compare products, check customer reviews and receive pricing direct from manufacturers.