ESD試験器の充電ケーブル配置変更による接触放電校正波形のリンギング低減効果

カテゴリ: 論文誌(論文単位)

グループ名: 【A】基礎・材料・共通部門

発行日: 2023/09/01

タイトル(英語): Reduction Effect on Charging Cable Arrangement of Ringing Damped Oscillations in Calibration Waveform of Discharge Current from ESD Generator

著者名: 戸澤　幸大（（株）ノイズ研究所），石田　武志（（株）ノイズ研究所），王　建青（名古屋工業大学），藤原　修（（株）ノイズ研究所／名古屋工業大学）

著者名(英語): Yukihiro Tozawa (Noise Laboratory Co., LTD.), Takeshi Ishida (Noise Laboratory Co., LTD.), Jiaqing Wang (Nagoya Institute of Technology), Osamu Fujiwara (Noise Laboratory Co., LTD./Nagoya Institute of Technology)

キーワード: ESD試験器，接触放電校正波形，リンギング，充電ケーブル配置，低減効果　　ESD generators，contact discharge calibration waveform，ringing，charging cable arrangement，reduction effect

要約(英語): In order to investigate the influence of charging cable arrangements on contact discharge waveforms, which is not specified in the IEC calibration environment of ESD generators, we measure contact discharge waveforms by using four different models of domestic and foreign ESD generators with test voltages of 4 kV and 8 kV, including two battery-powered models, under different arrangements of around a 2 m charging cable, and analyze their spectra to clarify the effect of the charging cable arrangements on the ringing. The result confirms from the measured waveforms and their spectral characteristics that the ringing tends to be suppressed in the calibration measurement of ESD generators when the charging cable is placed floating from the metal plane compared to when the cable is placed along the metal plane. To verify this finding, we show the reduction effect of the cable arrangement change on the ringing by an energy ratio (ER) of the difference waveform between the measured contact discharge waveform and the IEC specified waveform, which corresponds to the amount of ringing generation, to reveal that the calculated values of ER are definitely reduced for the floating charging cable arrangement. Furthermore, the input impedances of a 2 m long return current cable grounded at one end under different arrangements are measured to calculate the spectra of the contact discharge waveform derived from a simplified equivalent circuit based on the IEC standard in the Laplace domain of an ESD generator, which indicates that the floating cable arrangement is more effective in reducing the spectra at frequencies below 40 MHz.

本誌: 電気学会論文誌A（基礎・材料・共通部門誌） Vol.143 No.9 （2023）

本誌掲載ページ: 292-300 p

原稿種別: 論文／日本語

電子版へのリンク: https://www.jstage.jst.go.jp/article/ieejfms/143/9/143_292/_article/-char/ja/