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  1. F300 宇宙地球環境研究所
  2. F300b 紀要
  3. 名古屋大学加速器質量分析計業績報告書
  4. 20

CHIMEの現状と稼働状況(2008年度)

https://doi.org/10.18999/sumrua.20.31
https://doi.org/10.18999/sumrua.20.31
49860aae-fd4c-4f4c-9f17-4b6f8981d669
名前 / ファイル ライセンス アクション
chime.pdf chime.pdf (13.0 MB)
Item type 紀要論文 / Departmental Bulletin Paper(1)
公開日 2011-04-27
タイトル
タイトル CHIMEの現状と稼働状況(2008年度)
言語 ja
その他のタイトル
その他のタイトル Status report on the CHIME dating system at Center for Chronological Research, Nagoya University in 2008
言語 en
著者 加藤, 丈典

× 加藤, 丈典

WEKO 82762

ja 加藤, 丈典

Search repository
鈴木, 和博

× 鈴木, 和博

WEKO 82763

ja 鈴木, 和博

Search repository
KATO, Takenori

× KATO, Takenori

WEKO 82764

en KATO, Takenori

Search repository
Suzuki, Kazuhiro

× Suzuki, Kazuhiro

WEKO 82765

en Suzuki, Kazuhiro

Search repository
アクセス権
アクセス権 open access
アクセス権URI http://purl.org/coar/access_right/c_abf2
抄録
内容記述 The CHIME dating is performed using two electron microprobe (EMP) equipments (JCXA- 733, JEOL, Tokyo) at Center for Chronological Research, Nagoya University. The one equips four wavelength dispersive spectrometers (WDS) and the other does three WDS. Those EMP equipments have been customized by the authors for improvement: stability, sensitivity, wavelength resolution etc. Two customized analyzing crystals are installed the EMP to improve wavelength resolution. The customized PET crystal achieves 2.9 eV FWHM for P Kαline while normal crystal does 3.8 eV. This improvement significantly reduces uncertainty from X-ray interference correction. The backscattered electron image (BEI) system of EMP has been improved to obtain clear BEI in the rapid scan mode. The improved system provides quick search of target minerals in a thin section sample during the course of determination of analysis positions. The scan and image systems have completely replaced with the digital system developed by the authors. The new system supports up to 2560 x 1920 pixels image capture (secondary electron, backscattered electron etc.) with 8-bits resolution. A captured image is stored in the TIFF format with date, magnification and scale bar. Until the end of May 2008, we were not able to use EMP because the building is closed for quake-proof engineering. The EMP equipments was overhauled and configured for the CHIME dating in June and July. The one EMP showed no serious problem and we have restarted the CHIME dating from August. The other EMP showed serious problems: cable damage, leakage of lens-cooling oil, system board crash of controlling workstation etc. Therefore, we were not able to use this EMP until the end of October. For above conditions, the uptime of EMP in 2008 is about 1000 hours while normal uptime is 2000 -4000 hours a year.
言語 en
内容記述タイプ Abstract
内容記述
内容記述 第21回名古屋大学年代測定総合研究センターシンポジウム平成20(2008)年度報告
言語 ja
内容記述タイプ Other
出版者
言語 ja
出版者 名古屋大学年代測定資料研究センター
言語
言語 jpn
資源タイプ
資源 http://purl.org/coar/resource_type/c_6501
タイプ departmental bulletin paper
出版タイプ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
ID登録
ID登録 10.18999/sumrua.20.31
ID登録タイプ JaLC
書誌情報 ja : 名古屋大学加速器質量分析計業績報告書

巻 20, p. 31-38, 発行日 2009-03
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