| 摘要 |
A thermoelectric device at least includes a ring-shaped insulative substrate and plural sets of thermoelectric thin film material pair (TEP) disposed thereon. The ring-shaped insulative substrate has an inner rim, an outer rim and a first surface. The sets of TEP electrically connected to each other are disposed on the first surface of the ring-shaped insulative substrate. Each set of TEP includes a P-type and an N-type thermoelectric thin film elements (TEE) electrically connected to each other. Also, the N-type TEE of each set is electrically connected to the P-type TEE of the adjacent set of TER When a current flows through the sets of TEP along a direction parallel to the surfaces of P-type and N-type thermoelectric thin film elements, a temperature difference is generated between the inner rim and the outer rim of the ring-shaped insulative substrate.
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