Abstract
A miniaturized ceramic differential scanning calorimeter (MC-DSC) with integrated oven and crucible is presented. Despite its small size of only 11mm×39mm×1.5mm, all functions of a conventional DSC apparatus are integrated in this novel device – including the oven. The MC-DSC is fully manufactured in thick-film and green glass ceramic tape-based low temperature co-fired ceramics (LTCC) technology. Therefore, production costs are considered to be low. Initial results using indium as a sample material show a good dynamic performance of the MC-DSC. Full width at half maximum of the melting peak is 2.4°C (sample mass approx. 11mg, heating rate approx. 50°C/min). Repeatability of the indium melting point is within ±0.02°C. The melting peak area increases linearly with the sample mass up to at least 26mg. Simulations of a strongly simplified finite element model of the MC-DSC are in a good agreement with measurement results allowing a model-based prediction of its basic characteristics.
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