Charge Accumulation Characteristics of Fluorine Insulating Materials under Electron Beam Irradiation

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: 2019/02/01

タイトル(英語): Charge Accumulation Characteristics of Fluorine Insulating Materials under Electron Beam Irradiation

著者名: Masahito Miyoshi (Tokyo City University), Kimio Hijikata (Tokyo City University), Hiroaki Miyake (Tokyo City University), Yasuhiro Tanaka (Tokyo City University)

著者名(英語): Masahito Miyoshi (Tokyo City University), Kimio Hijikata (Tokyo City University), Hiroaki Miyake (Tokyo City University), Yasuhiro Tanaka (Tokyo City University)

キーワード: space charge，pulsed electro acoustic method，fluorine insulating material，electron beam irradiation

要約(英語): Insulating materials are frequently used in spacecraft, especially as thermal blanket which are protecting the electronic devices from a drastic temperature change in space environment. While such insulating materials are working well to keep temperature stable, the electron beam is once irradiated to the materials, they are charged up and a large electric potential difference generates between the charged and uncharged surfaces. If the difference in potential becomes very large, a discharge sometimes occurs between them. Such discharge is very harmful for the spacecraft. Therefore, their behavior in relation to an electron beam irradiation due to space environment must be clearly elucidate at designing stage of spacecraft. In this paper, we focused on the charge accumulation in the materials under an irradiation of high energy electron beam. In the experiments, some fluorine materials, which are ordinary used for the spacecraft, are chosen. Judging from the measurement results, it was found that the amounts of accumulated electrons gradually decreased during an electron beam irradiation. Therefore, we tried to explain the phenomenon with considering an idea of RIC (Radiation Induced Conductivity).

本誌: 電気学会論文誌A（基礎・材料・共通部門誌） Vol.139 No.2 （2019） 特集：2017 International Symposium on Electrical Insulating Materials

本誌掲載ページ: 113-118 p

原稿種別: 論文／英語

電子版へのリンク: https://www.jstage.jst.go.jp/article/ieejfms/139/2/139_113/_article/-char/ja/