125 微小熱電発電素子を用いた腕時計の開発

概要

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Micro thermoelectric generator has been developed and applied to energy source of a thermoelectric wristwatch. Developed generator chip is consisted of 378 pairs of BiTe thermocouples in size of 6.1(mm)^*2.7(mm)^*2mm. 6 chips of generator is arranged around a movement of watch and generate about 1V taking temperature difference between metal case and case back. That voltage is enough to drive a watch and average generation energy of 12μ W was estimated from wearing experiments of watch.
社団法人日本機械学会の論文
2000-03-24