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Sample mounting

Sapphire plates

The sample on this holder is annealed by a Ta spiral closed between two insulating plates made of sapphire.

The sample of maximum 10×10 mm2 size is clamped by two wires that are fixed by screws to the base plate. Therefore the sample is permanently grounded and the spectra can be measured during annealing.

The thermocouple is touching the sample surface which makes the temperature reading more accurate than on the pocket sample holder. However, the error can be up to 50 K/°C so you can consider spot-welding of the thermocouple to the sample if your material permits to.

Maximum temperature is about is about 500 °C/800 K. Maximum annealing current is 5 A.

Last Updated on Thursday, 25 March 2021 09:19