Process for treating thermopile专利检索-热电堆变压器和转换设备专利检索查询-专利查询网

Process for treating thermopile

阅读：523发布：2021-11-12

专利汇可以提供Process for treating thermopile专利检索，专利查询，专利分析的服务。并且Process for treating a high resistance thermopile composed of a plurality of small cross section, elongated semiconductor thermoelectric elements, arrayed in a stack and electrically interconnected, comprising applying across the terminals of the thermopile a capacitative discharge pulse of 2.00 watt-seconds or greater to heal irregularities in the thermopile thereby drastically reducing the terminal-to-terminal resistance.，下面是Process for treating thermopile专利的具体信息内容。

权利要求

1. A process for treating a high resistance thermopile to reduce its terminal-to-terminal resistance, said thermopile being composed of a plurality of small cross section, elongated, parallel, semiconductor elements, each element being separated from its adjacent element by means of a thin electrically insulating film, adjacent ends of selected pairs of adjacent elements being electrically connected to one another by means of a wire weld brazed to said adjacent ends, said plurality of thermoelectric elements forming a single series electrical circuit, said thermopile including terminal wires weld brazed to the ends of the two thermoelectric elements on the outside of the series circuit, said thermoelectric elements made from materials selected from the group consisting of Bi2Te3, Sb2Te3, Bi2Se3, Sb2Se3 and solid solutions and alloys thereof, said wires and terminal wires made from a material selected from the group consisting of palladium, gold, nickel, gold-plated nickel, and gold 92 percent-palladium 8 percent, said process comprising applying pressure to the ends of the thermopile and simultaneously applying across the terminal wires of the thermopile a capacitance discharge pulse, the extent of the pressure and the length and duration of the capacitive discharge pulse being sufficient to substantially heal the defects and irregularities in the pile.

2. A process according to claim 1 wherein the extent of pressure and the length and intensity of the capacitive discharge pulse are sufficient to lower the terminal to terminal resistance of said thermopile to at least about 90 percent or less of its original value.

3. A process according to claim 2 wherein said capacitive discharge is at least about 2.0 watt-seconds.

4. A process according to claim 3 wherein said pressure is about 5.9 X 102 pounds per square inch.

5. A process according to claim 4 wherein said thermopile is heated to a temperature of at least about 500*F for a period of at least 24 hours before the capacitance discharge pulse is supplied.

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