Abstract

AbstractA new multijunction thermal converter (MJTC) for precision AC–DC transfer standard has been developed. A U‐shaped heater pattern was sputter‐deposited onto an AlN plate in order to reduce thermoelectric effect, which causes the frequency‐independent AC–DC transfer difference. Both low‐frequency and high‐frequency characteristics improved as a result of the new configuration, and the AC–DC transfer difference of the MJTC was evaluated to be <1 µV/V between 10 Hz and 100 kHz and <10 µV/V up to 1 MHz. © 2012 Institute of Electrical Engineers of Japan. Published by John Wiley & Sons, Inc.

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