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Pumping experiment of water on B and LaB{sub 6} films with electron beam evaporator

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Abstract

Pumping characteristics of water vapor on boron and lanthanum hexaboride films formed with an electron beam evaporator have been investigated in high vacuum of a pressure region between 10{sup -4} and 10{sup -3} Pa. Measured initial maximum pumping speeds of water for fresh B and LaB{sub 6} films on substrates with a deposition amount from 2.3 x 10{sup 21} to 6.7 x 10{sup 21} molecules{center_dot}m{sup -2} are 3.2 {approx} 4.9 m{sup 3}{center_dot}s{sup -1}{center_dot}m{sup -2}, and maximum saturation amounts of adsorbed water on these films are 2.9 x 10{sup 20} {approx} 1.3 x 10{sup 21} H{sub 2}O molecules{center_dot}m{sup -2}. (author).
Authors:
Mori, Takahiro; Hanaoka, Yutaka; [1]  Akaishi, Kenya; Kubota, Yusuke; Motojima, Osamu; Mushiaki, Motoi; Funato, Yasuyuki
  1. Muroran Inst. of Tech., Hokkaido (Japan)
Publication Date:
Oct 01, 1992
Product Type:
Technical Report
Report Number:
NIFS-196
Reference Number:
SCA: 700420; PA: JPN-93:004001; SN: 93000987137
Resource Relation:
Other Information: PBD: Oct 1992
Subject:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY; FIRST WALL; VAPOR DEPOSITED COATINGS; THERMONUCLEAR DEVICES; VACUUM SYSTEMS; VACUUM EVAPORATION; VAPOR PLATING; WATER; HIGH VACUUM; BORON; BORON NITRIDES; ELECTRON BEAMS; LANTHANUM BORIDES; 700420; PLASMA-FACING COMPONENTS
OSTI ID:
10150540
Research Organizations:
National Inst. for Fusion Science, Nagoya (Japan)
Country of Origin:
Japan
Language:
English
Other Identifying Numbers:
Other: ON: DE93788264; TRN: JP9304001
Availability:
OSTI; NTIS; INIS
Submitting Site:
JPN
Size:
21 p.
Announcement Date:
Jul 05, 2005

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Citation Formats

Mori, Takahiro, Hanaoka, Yutaka, Akaishi, Kenya, Kubota, Yusuke, Motojima, Osamu, Mushiaki, Motoi, and Funato, Yasuyuki. Pumping experiment of water on B and LaB{sub 6} films with electron beam evaporator. Japan: N. p., 1992. Web.
Mori, Takahiro, Hanaoka, Yutaka, Akaishi, Kenya, Kubota, Yusuke, Motojima, Osamu, Mushiaki, Motoi, & Funato, Yasuyuki. Pumping experiment of water on B and LaB{sub 6} films with electron beam evaporator. Japan.
Mori, Takahiro, Hanaoka, Yutaka, Akaishi, Kenya, Kubota, Yusuke, Motojima, Osamu, Mushiaki, Motoi, and Funato, Yasuyuki. 1992. "Pumping experiment of water on B and LaB{sub 6} films with electron beam evaporator." Japan.
@misc{etde_10150540,
title = {Pumping experiment of water on B and LaB{sub 6} films with electron beam evaporator}
 author = {Mori, Takahiro, Hanaoka, Yutaka, Akaishi, Kenya, Kubota, Yusuke, Motojima, Osamu, Mushiaki, Motoi, and Funato, Yasuyuki}
 abstractNote = {Pumping characteristics of water vapor on boron and lanthanum hexaboride films formed with an electron beam evaporator have been investigated in high vacuum of a pressure region between 10{sup -4} and 10{sup -3} Pa. Measured initial maximum pumping speeds of water for fresh B and LaB{sub 6} films on substrates with a deposition amount from 2.3 x 10{sup 21} to 6.7 x 10{sup 21} molecules{center_dot}m{sup -2} are 3.2 {approx} 4.9 m{sup 3}{center_dot}s{sup -1}{center_dot}m{sup -2}, and maximum saturation amounts of adsorbed water on these films are 2.9 x 10{sup 20} {approx} 1.3 x 10{sup 21} H{sub 2}O molecules{center_dot}m{sup -2}. (author).}
 place = {Japan}
 year = {1992}
 month = {Oct}
 }