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    Method and apparatus for producing silver nanoparticles
    23.
    发明专利
    Method and apparatus for producing silver nanoparticles 审中-公开

    公开(公告)号：JP2007522347A

    公开(公告)日：2007-08-09

    申请号：JP2006553285

    申请日：2005-02-14

    申请人： クライマックス・エンジニアード・マテリアルズ・エルエルシー ,  ジョンソン,ローヤル・エム,ジュニアー

    发明人： ジョンソン，ローヤル・エム，ジュニアー

    IPC分类号： B22F9/02 ,  B22F9/12 ,  B22F9/24 ,  C22B3/02 ,  C22B9/00 ,  C22B11/00 ,  C22B11/02

    CPC分类号： B22F9/12 ,  B22F2998/00 ,  C22B9/003 ,  C22B11/02 ,  Y02P10/253 ,  B22F1/0018

    摘要： 銀ナノ粒子材料（１２）を生産するための装置（１０）は、炉（１６）および炉（１６）内に位置決めされたるつぼ（２４）を含み、るつぼ（２４）は一定分量の前駆体材料（１４）を含有し、炉（１６）は、るつぼ（２４）に含有されている該分量の前駆体材料（１４）を加熱して、前駆体材料（１４）を気化させる。 炉（１６）と運転的に関連付けられているプロセスガス供給源（２０）は、プロセスガス（２２）を炉（１６）の内側領域（１８）に提供する。 導管（２６）は、導管（２６）の入口末端（２８）が炉（１６）の内側領域（１８）の方に開いているように、炉（１６）と運転的に関連付けられている。 粒子セパレーター系（３６）は、導管（２６）の出口末端（３０）と運転的に関連付けられている。 粒子セパレーター系（３７）の出口末端（４２）と運転的に関連づけられているポンプ（４６）は、炉（１６）の内側領域（１８）に含有されているプロセスガス（２２）と気化した前駆体材料（５６）との混合物が導管（２６）の入口末端（２８）に引き込まれるようにし、プロセスガス（２２）は、気化した前駆体材料（５６）を冷却して、キャリヤー流（３８）中に銀ナノ粒子材料（１２）を沈殿させ、粒子セパレーター系（３６）は、キャリヤー流（３８）から銀ナノ粒子材料（１２）を分離する。
    【選択図】図１

    METHOD FOR MANUFACTURING METAL POWDER, METAL POWDER, CONDUCTIVE PASTE, AND LAMINATED CERAMIC ELECTRONIC COMPONENT
    27.
    发明专利
    METHOD FOR MANUFACTURING METAL POWDER, METAL POWDER, CONDUCTIVE PASTE, AND LAMINATED CERAMIC ELECTRONIC COMPONENT 失效

    公开(公告)号：JP2002348603A

    公开(公告)日：2002-12-04

    申请号：JP2001154729

    申请日：2001-05-24

    申请人： MURATA MANUFACTURING CO

    发明人： NAKAMURA TAKANORI

    IPC分类号： B22F9/12 ,  B22F1/00 ,  B22F3/02 ,  B22F5/00 ,  B22F9/14 ,  B22F9/28 ,  H01B1/00 ,  H01B1/22 ,  H01B13/00 ,  H01G4/12

    摘要： PROBLEM TO BE SOLVED: To provide a metal powder which has a sintering starting temperature shifted to the higher region, though being fine particles, and consequently does not cause rapid shrinking when sintered. SOLUTION: This method for manufacturing metal powder of nickel as nucleus surrounded by aluminum comprises evaporating metallic nickel, metallic aluminum, or an alloy of these metals, with thermal plasma, arc plasma, or high-frequency discharge, in an inert gas containing hydrogen gas for instance, or evaporating a nickel compound and an aluminum compound by heating, then reducing the vapor with hydrogen or the like, to make a gas mixture of nickel element and aluminum element, and then cooling and solidifying the evaporated aluminum element and nickel element. The metal powder does not cause rapid shrinking when sintered, because the sintering starting temperature is shifted to the higher region by an effect of aluminum.

    METALLIC FINE PARTICLE-CONTAINING COMPOSITION
    28.
    发明专利
    METALLIC FINE PARTICLE-CONTAINING COMPOSITION 失效

    公开(公告)号：JP2002266001A

    公开(公告)日：2002-09-18

    申请号：JP2001069490

    申请日：2001-03-12

    申请人： HARIMA CHEMICALS INC ,  NAT INST OF ADV IND & TECHNOL

    发明人： HATA NORIAKI ,  MATSUBA YORISHIGE ,  YAMAGUCHI TOMOHIKO

    IPC分类号： C09C1/62 ,  B22F1/02 ,  B22F9/12 ,  C09C3/08 ,  C23C14/12 ,  H01B1/00 ,  H01B1/22

    摘要： PROBLEM TO BE SOLVED: To obtain a composition containing metallic fine particles which are hardly flocculated each other, and are more stable against oxidation. SOLUTION: The vapor of copper generated in a crucible 2 of an evaporation chamber 1 progresses to a recovery chamber 5 via a valve 8 by the exhaust action thereof into a gaseous mixture with the vapor of diethanolamine (and gaseous argon). This gaseous mixture reaches a cooling part 6, and by cooling action in a space region including the vicinity of the cooling part at this time, copper fine particles are precipitated into the cooling part 6. The average particle size of the copper fine particles is 0.1 to 10 nm, and, the surface is coated in a state in which the diethanolamine is coordinated to copper. The copper fine particle-containing composition 9 in the cooling part 6 lies in a state in which the coated copper fine particles are dispersed into the diethanolamine.

    29.
    发明专利
    失效

    公开(公告)号：JP3008433B2

    公开(公告)日：2000-02-14

    申请号：JP6541990

    申请日：1990-03-15

    IPC分类号： B01J19/08 ,  B22F1/02 ,  B22F9/12

    TITANIUM NANO FINE WIRE, PRODUCTION OF TITANIUM NANO FINE WIRE, STRUCTURAL BODY, AND ELECTRON-EMITTING ELEMENT
    30.
    发明专利
    TITANIUM NANO FINE WIRE, PRODUCTION OF TITANIUM NANO FINE WIRE, STRUCTURAL BODY, AND ELECTRON-EMITTING ELEMENT 失效

    公开(公告)号：JPH11246300A

    公开(公告)日：1999-09-14

    申请号：JP31393998

    申请日：1998-10-19

    申请人： CANON KK

    发明人： IWASAKI TATSUYA ,  DEN TORU

    IPC分类号： C30B29/62 ,  B22F9/02 ,  B22F9/12 ,  B22F9/14 ,  C25D11/04 ,  H01J1/304 ,  H01J9/02 ,  H01L21/28 ,  H01L29/06 ,  H01J1/30

    摘要： PROBLEM TO BE SOLVED: To obtain a titanium nano fine wire having a uniform wire diameter by forming a structural body provided with a layer having fine pores on a base body having a surface containing titanium and in which the pores extend to the surface and then, heat-treating the structural body to form fine wires containing titanium in the pores. SOLUTION: A base body 10 is obtd. by forming a layer 11 which constitutes a surface containing titanium on the surface of a substrate 16 such as quartz glass and Si. Then, a film 12 essentially comprising Al is formed on the layer 11 of the base body 10 and is subjected to anodic oxidation to form a porous body 13 comprising anodically oxidized alumina having pores extending to the surface on the base body 10. The structural body forming the porous body 13 on the base body 10 provided with the surface containing titanium is heat- treated in an atmosphere containing >=1 Pa water vapor at 500 to 1,000 deg.C to allow the titanium in the pore bottoms to react with the atmosphere to form titanium nano fine wires 15 having