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静電気試験器の内蔵インダクタが引き起こす放電電流立ち上がりの波形歪み

静電気試験器の内蔵インダクタが引き起こす放電電流立ち上がりの波形歪み

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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: 2012/05/01

タイトル(英語): Waveform Distortion of Discharge Rising Currents caused by Built-in Inductor for Contact Discharges of Electrostatic Discharge Generators

著者名: 山中 幸雄((独) 情報通信研究機構),戸谷 史彦(名古屋工業大学),石上 忍((独) 情報通信研究機構),藤原 修(名古屋工業大学)

著者名(英語): Yukio Yamanaka (National Institute of Information and Communications Technology Labs), Fumihiko Toya (Nagoya Institute of Technology), Shinobu Ishigami (National Institute of Information and Communications Technology Labs), Osamu Fujiwara (Nagoya Institute of Technology)

キーワード: 静電気試験器,接触放電,放電電流,内蔵インダクタ,波形歪み  electrostatic discharge generator,contact discharge,discharge current,built-in inductor,waveform distortion

要約(英語): To investigate the effects of built-in inductors on current rising waveform for contact discharges of electrostatic discharge generators (ESD guns), we simultaneously measured discharge currents and the resultant magnetic near-fields, and compared their results with those for an ESD gun with a metal cylinder in lieu of the inductor. As a result, we found that the magnetic near-field waveform is deformed by the distortion of the current rising waveform for an ESD gun with an inductor, while the ESD gun with a metal cylinder produces no distortion for the current rising waveform despite its rise time (400 ps) shorter than the International Electrotechnical Commission (IEC) specification so that there is no distortion for the corresponding magnetic near-field waveform. Using the Heidler's formula for typical discharge current waveform specified in the IEC, we calculated current rising waveform and the resultant induced output voltage of a magnetic probe, which shows that these results do not agree with those for the built-in inductor, while there is good agreement for the metal cylinder. This finding implies that immunity test results can be affected by the frequency characteristics of a built-in inductor inside an ESD gun, and thus that not only rise time but also current rising waveform of discharge currents should be specified for ESD immunity testing.

本誌: 電気学会論文誌A(基礎・材料・共通部門誌) Vol.132 No.5 (2012) 特集:静電気放電(ESD)のEMC技術

本誌掲載ページ: 362-367 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/132/5/132_5_362/_article/-char/ja/

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