Importance

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Abstract

A thermoelectric module is basically constituted in a double-stage structure for arranging thermoelectric elements between insulating substrates, one of which has at least a pair of recesses and prescribed patterns of conduction layers. Herein, terminal conduction layers are formed inside of recesses, which reliably ensure electrical conduction between conduction layers formed on surfaces of the insulating substrate. In manufacture, cutting areas are defined on an insulating material plate, in which through holes are formed at prescribed positions on boundaries between cutting areas or at corners of cutting areas, wherein conduction layers are formed in prescribed patterns, and terminal conduction layers are formed inside of through holes and are interconnected with conduction layers selectively formed in proximity to through holes. The insulating material plate is then subjected to cutting processes, so that it is divided into insulating substrates, each of which has at least two recesses at prescribed positions.

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First Claim