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      TRANSMISSION ELECTRON MICROSCOPY OF SPONTANEOUS TIN (SN) WHISKER GROWTH UNDER HIGH TEMPERATURE/HUMIDITY STORAGE 

      SOSIATI, HARINI; HIROKADO, N; KUWANO, NORIYUKI; OHNO, Y (IEEE, 2008-12-09)
      The present work is devoted to characterize the microstructures of Sn/Cu lead-frame attached on the printed circuit board (PCB) and of tin-whiskers formed on the Sn-surface after exposure under 85C/85 %RH for 1000 and ...
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      TIN WHISKER FORMATION ON A LEAD-FREE SOLDER ALLOY STUDIED BY TRANSMISSION ELECTRON MICROSCOPY 

      SOSIATI, HARINI; KUWANO, NORIYUKI; HATA, SATOSHI; IWANE, Y; MORIZONO, Y; OHNO, Y (IEEE, 2006-12-06)
      Tin whiskers grown on a Sn/Cu-plated Polyimide (PI)-flexible substrate are a serious problem in electronic industrial application, because the whiskers lead to catastrophic electrical short circuit failures. Here, we report ...
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      RELATIONSHIP BETWEEN MICROSTRUCTURE AND JC PROPERTY IN MGB2/Α-AL2O3 FILM FABRICATED BY IN SITU ELECTRON BEAM EVAPORATION 

      SOSIATI, HARINI; HATA, SATOSHI; KUWANO, NORIYUKI; TOMOKIYO, YOSHITSUGU; KITAGUCHI, HITOSHI; DOI, TOSHIYA; YAMAMOTO, HAJIME; MATSUMOTO, AKIYOSHI; SAITOH, KEISUKE; KUMAKURA, HIROAKI (IOP, 2005-08-09)
      A transmission electron microscopy (TEM) study has been carried out on an MgB2/α-Al2O3 film that exhibits the typical property of critical current density (Jc) under magnetic fields. The MgB2 layer of 300 nm in thickness ...
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      ELECTRON MICROSCOPY OF MGB2 THIN FILM ON YSZ-BUFFERED HASTELLOY 

      SOSIATI, HARINI; HATA, SATOSHI; KUWANO, NORIYUKI; TOMOKIYO, YOSHITSUGU; MATSUMOTO, AKIYOSHI; FUKUTOMI, MASAO; KITAGUCHI, HITOSHI; KOMORI, KAZUNORI; KUMAKURA, HIROAKI (Elsevier, 2004-06-11)
      In order to understand the relationship between the microstructures and superconducting properties of MgB2 films, analytical TEM observations have been carried out. The films were fabricated by a KrF excimer laser deposition ...
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      TRANSMISSION ELECTRON MICROSCOPY ANALYSIS OF C4H4S-doped MgB2 TAPES 

      YUZURIHA, N; SOSIATI, HARINI; HATA, SATOSHI; KUWANO, NORIYUKI; YAMADA, H; UCHIYAMA, N; MATSUMOTO, AKIYOSHI; KITAGUCHI, HITOSHI; KUMAKURA, HIROAKI (IOP, 2008)
      It has been reported that doping with aromatic hydrocarbons in an in situ powder-intube fabrication process of MgB2 tapes is effective for increasing the critical current density (Jc) under magnetic fields. In this study, ...
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      FABRICATION OF MULTILAYERED MGB2/NI THIN FILMS AND THEIR FLUX PINNING PROPERTIES 

      TSUKANO, YUTAKA; DOI, TOSHIYA; YAMASHITA, HIROKI; TANAKA, AKIRA; IWASAKI, IKUMI; HAKURAKU, YOSHINORI; KITAGUCHI, HITOSHI; TAKAHASHI, KEN-ICHIRO; SOSIATI, HARINI; HATA, SATOSHI; IKEDA, KEN-ICHI; NAKASHIMA, HIDEHARU (IEEE, 2009)
      We prepared the multilayered MgB2/Ni thin films with the Ni layer spacings of 32, 23 and 16 nm. The multilayer nanostructure was confirmed to be obtained from the scanning transmission electron microscope observation. The ...
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      MBE FABRICATION OF MNX P NANOWHISKERS 

      BOURAVLEUV, A D; SOSIATI, HARINI; ISHIBASHI, T; KUWANO, NORIYUKI; SATO, K (2008)
      MnP and MnP nanowhiskers have been grown by molecular-beam epitaxy (MBE) technique on InP(100) and GaAs(111)B substrates. The catalyst-free growth of nanowhiskers is found to be depended on the formation of Mn-based ...
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      EFFECTS OF POST-PLATING REFLOW ON CHANGES IN CRYSTAL GRAIN SIZE OF SN-2 MASS% BI ALLOY PLATING WITH THERMAL CYCLING TREATMENT 

      KUWANO, NORIYUKI; JINNOUCHI, ATSUSHI; HORIKAMI, SADANORI; HIROKADO, NARUYOSHI; SOSIATI, HARINI (The Japan Institute of Metals and Materials, 2010-10-01)
      Changes in the grain size of tin (Sn) crystals associated with a thermal cycling treatment were investigated for layers of Sn-2 mass%Bi electroplated on Fe-42Ni substrates in order to clarify the effects of post-plating ...
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      EFFECT OF BALL-MILLING TREATMENT ON MICROSTRUCTURE OF IN SITU POWDER-IN-TUBE (PIT) MGB2 TAPE 

      SOSIATI, HARINI; HATA, SATOSHI; MATSUMOTO, AKIYOSHI; KITAGUCHI, HITOSHI; KUMAKURA, HIROAKI (American Institute of Physics (AIP), 2012-06-25)
      In an in situ powder-in-tube (PIT) fabrication of MgB2 superconducting tapes, it has been found that ball-milling treatment on a starting powder is effective for improving critical current density (Jc) of the MgB2 tapes. ...
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      TEM AND SEM ANALYSIS FOR FORMATION MECHANISM OF TIN WHISKERS 

      KUWANO, NORIYUKI; HORIKAMI, SADANORI; MAEDA, MASANORI; SOSIATI, HARINI (Trans Tech Publications, 2012-07-09)
      Close observation with a transmission electron microscope (TEM) and a scanning electron microscope (SEM) was performed for the growth process of tin (Sn) whiskers on lead (Pb)-free Sn-plating. Whiskers were formed on a ...
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      AuthorSOSIATI, HARINI (11)KUWANO, NORIYUKI (8)HATA, SATOSHI (6)aini, qurratul (5)KITAGUCHI, HITOSHI (5)KUMAKURA, HIROAKI (4)MATSUMOTO, AKIYOSHI (4)DOI, TOSHIYA (2)HORIKAMI, SADANORI (2)OHNO, Y (2)... View MoreSubject
      INTERDISCIPLINARY RESEARCH AREAS (18)
      TECHNOLOGY (9)4.0 (1)Artificial pinning, electron beam evaporation, superconductors, thin films. (1)Hospital Performances, Human Resources Management (1)kenaf bast fiber, surface treatment, tensile strength, crystallinity, morphology (1)MgB2, Milling, Critical current density, Transmission electron microscopy (TEM), Microstructure. (1)MgB2, Thin film, Transmission electron microscopy (1)ODONTOLOGY (1)revolusi industri (1)... View MoreDate Issued2010 - 2020 (11)2004 - 2009 (7)

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