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Paper Abstract and Keywords
Presentation 2007-10-17 13:50
Infrared filter for superconducting tunnel junction array particle detector
Shigetomo Shiki, Masahiro Ukibe, Yutaka Shimizugawa (AIST), Shigeo Tomita, Yuki Sato (Univ. Tsukuba), Ryutaro Maeda, Masataka Ohkubo (AIST) Link to ES Tech. Rep. Archives: SCE2007-20
Abstract (in Japanese) (See Japanese page) 
(in English) For application of superconducting detectors to mass spectrometry,
through holes are required between an ion source at room temperature and
a superconducting detector set at low temperature in order for particles to impinge the detectors.
The room temperature infrared radiation causes
an improper operation of the superconducting detectors.
We fabricated a free-standing metal-mesh infrared blocking filter for the radiation shield
at an AIST MEMS foundry.
The filter consist of free-standing Cu film with a size of 12mm$\times$5mm
and a thickness of 500nm, which is reinforced by Si support.
The Cu mesh has a hole array with a diameter of 2$\mu$m and
a pitch of 3.5$\mu$m.
The transmission of the room temperature blackbody radiation was only 1\%, while
the ion transmissoin was 20\%, which is consistent
with the geometrical structure of the hole array.
The holding time of a $^{3}$He cryostat and I-V characteristics of a superconducting tunnel junction
were unaffected by the room temperature infrared radiation.
Keyword (in Japanese) (See Japanese page) 
(in English) mass spectrometry / infrared blocking filter / energy sensitive particle detector / superconducting tunnel junction / cryogenics / / /  
Reference Info. IEICE Tech. Rep., vol. 107, no. 259, SCE2007-20, pp. 13-16, Oct. 2007.
Paper # SCE2007-20 
Date of Issue 2007-10-10 (SCE) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
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All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF Link to ES Tech. Rep. Archives: SCE2007-20

Conference Information
Committee SCE  
Conference Date 2007-10-17 - 2007-10-17 
Place (in Japanese) (See Japanese page) 
Place (in English) Kikai-Shinko-Kaikan Bldg. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Superconductor electronics 
Paper Information
Registration To SCE 
Conference Code 2007-10-SCE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Infrared filter for superconducting tunnel junction array particle detector 
Sub Title (in English)  
Keyword(1) mass spectrometry  
Keyword(2) infrared blocking filter  
Keyword(3) energy sensitive particle detector  
Keyword(4) superconducting tunnel junction  
Keyword(5) cryogenics  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Shigetomo Shiki  
1st Author's Affiliation Natinal Institute of Advanced Industrial Science and Technology (AIST)
2nd Author's Name Masahiro Ukibe  
2nd Author's Affiliation Natinal Institute of Advanced Industrial Science and Technology (AIST)
3rd Author's Name Yutaka Shimizugawa  
3rd Author's Affiliation Natinal Institute of Advanced Industrial Science and Technology (AIST)
4th Author's Name Shigeo Tomita  
4th Author's Affiliation University of Tsukuba (Univ. Tsukuba)
5th Author's Name Yuki Sato  
5th Author's Affiliation University of Tsukuba (Univ. Tsukuba)
6th Author's Name Ryutaro Maeda  
6th Author's Affiliation Natinal Institute of Advanced Industrial Science and Technology (AIST)
7th Author's Name Masataka Ohkubo  
7th Author's Affiliation Natinal Institute of Advanced Industrial Science and Technology (AIST)
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Speaker Author-1 
Date Time 2007-10-17 13:50:00 
Presentation Time 25 minutes 
Registration for SCE 
Paper # SCE2007-20 
Volume (vol) vol.107 
Number (no) no.259 
Page pp.13-16 
#Pages
Date of Issue 2007-10-10 (SCE) 


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