Zobrazeno 1 - 10 of 26 pro vyhledávání: '"Masaaki Tamatani"'
2
Contact electrification phenomena on phosphor particle surfaces
Autor: Masaaki Tamatani
Publikováno v: Journal of Luminescence. 100:317-323
Contact electrification phenomena are reviewed to understand phosphor powder behavior. The origin of contact electrification is described in terms of the acid–base concept for solid surfaces. Electric charges produced by contact electrification aff
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c58de83ff0444886e67292640b8e5433
https://doi.org/10.1016/s0022-2313(02)00431-3
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3
Charging Tendency of Phosphors and Blackening Phenomena in Fluorescent Lamps
Autor: Kenji Terashima, Akira Taya, Hidenori Ito, Yoji Yuge, Masaaki Tamatani
Publikováno v: JOURNAL OF THE ILLUMINATING ENGINEERING INSTITUTE OF JAPAN. 76:536-542
Long-term lumen maintenance of high-load fluorescent lamps is investigated using 3-band rare earth phosphors. The contact electric charging tendency of the phosphor is systematically varied by depositing colloids on the phosphor particle surfaces. Fo
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::dc5fc97aa0ada8ee90ca25ae1a4b790a
https://doi.org/10.2150/jieij1980.76.10_536
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5
Development of x-ray detector for multislice CT with 0.5-mm slice thickness and 0.5-second revolution
Autor: Kenji Igarashi, Masaaki Tamatani, Miwa Okumura
Publikováno v: SPIE Proceedings.
The purpose of this study is to develop an x-ray detector system for multislice CTs with 0.5 slice thickness and 0.5- second revolution, and to evaluate clinical advantages. The detector adopts a newly developed ceramic scintillator having a high lig
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a4183924295831799ad30cd42b4e4ff5
https://doi.org/10.1117/12.465624
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6
30.3: Reduction of Electron-Beam-Induced Degradation of ZnS Green Phosphor Coated with Phosphate
Autor: Naotoshi Matsuda, Masaaki Tamatani, Hironori Asai, Ariane Keiko Albessard, Masaaki Inamura, Iwao Mitsuishi, Nobuyuki Yokosawa
Publikováno v: SID Symposium Digest of Technical Papers. 37:1304
Electron-beam-induced luminescence degradation is found to be reduced in ZnS: Cu, Al phosphor coated with a limited low content of phosphate. The behavior of the degradation is correlated with the quantities of SO2 and H2O gases released from the pho
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a12d7f7de3385690b7a0e7c4b6f1af71
https://doi.org/10.1889/1.2433219
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8
Preparation of spherical phosphors by thermal-plasma treatment
Autor: Ariane Keiko Albessard, Y. Inoue, Miwa Okumura, Masaaki Tamatani, K. Kawasaki, Naotoshi Matsuda
Publikováno v: Journal of the Society for Information Display. 6:159
Garnet-structured rare-earth oxysulfide and zinc sulfide phosphors were treated by thermal plasma in order to obtain spherically shaped phosphor particles. Although spherical particles of garnet phosphor and rare-earth oxysulfide phosphor were obtain
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::debb974422e8d381629279c5a7c6cf8c
https://doi.org/10.1889/1.1985226
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10
Luminescence Properties of Rare Earth Ion-Doped Monoclinic Yttrium Sesquioxide
Autor: Masaaki Tamatani, Miwa Okumura, Naotoshi Matsuda, Ariane Keiko Albessard
Publikováno v: Japanese Journal of Applied Physics. 36:6411
Monoclinic Y2O3 phosphors doped with Eu3+ or Pr3+ are obtained for the first time by treatments in inductively-coupled thermal plasma. This paper reports the luminescence properties of these phosphor materials. The assumption proposed earlier by the
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::56c6a6bf4db662475c23e9fe69b48b8b
https://doi.org/10.1143/jjap.36.6411
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