ELECTRON EMITTER, FIELD EMISSION DISPLAY UNIT, COLD CATHODE FLUORESCENT TUBE, FLAT TYPE LIGHTING DEVICE, AND ELECTRON EMITTING MATERIAL
    1.
    发明申请
    ELECTRON EMITTER, FIELD EMISSION DISPLAY UNIT, COLD CATHODE FLUORESCENT TUBE, FLAT TYPE LIGHTING DEVICE, AND ELECTRON EMITTING MATERIAL 审中-公开
    电子发射器,场发射显示单元,冷阴极荧光管,平面照明装置和电子发射材料

    公开(公告)号:US20080252194A1

    公开(公告)日:2008-10-16

    申请号:US11874437

    申请日:2007-10-18

    IPC分类号: H01J1/62 H01J1/02 C04B35/00

    摘要: To provide an electron emitter, a field emission display unit, a cold cathode fluorescent tube and a flat type lighting device, which employ an electron emitting material producible at a low cost and in a large amount.A conductive mayenite type compound powder containing at least 50 mol % of a mayenite type compound represented by a chemical formula of either 12CaO.7Al2O3 or 12SrO.7Al2O3 and having a maximum particle size of at most 100 μm, is used as an electron emitter, whereby an electron emitter, a field emission display unit, a cold cathode fluorescent tube and a flat type lighting device, are realized that are easy to produce and capable of emitting electrons even at a low applied voltage and whereby a large current can be obtained per the same applied voltage surface.

    摘要翻译: 提供一种电子发射器,场发射显示单元,冷阴极荧光管和平面照明装置,其采用可以低成本和大量生产的电子发射材料。 一种含有至少50mol%由化学式表示的钙铝石型化合物的导电钙铝石型化合物粉末,其化学式为12CaO.7Al 2 O 3 3或12SrO.7Al

    Method for preparing electroconductive mayenite type compound
    2.
    发明授权
    Method for preparing electroconductive mayenite type compound 有权
    导电钙铝石型化合物的制备方法

    公开(公告)号:US07670585B2

    公开(公告)日:2010-03-02

    申请号:US11948147

    申请日:2007-11-30

    IPC分类号: C01F7/16

    摘要: Provided is a method for preparing an electroconductive mayenite type compound with good properties readily and stably at low cost without need for expensive facilities, a reaction at high temperature and for a long period of time, or complicated control of reaction.A method for preparing an electroconductive mayenite type compound comprises a step of subjecting a precursor to heat treatment, wherein the precursor contains Ca and/or Sr, and Al, a molar ratio of (a total of CaO and SrO:Al2O3) is from (12.6:6.4) to (11.7:7.3) as calculated as oxides, a total content of CaO, SrO and Al2O3 in the precursor is at least 50 mol %, and the precursor is a vitreous or crystalline material; and the method comprises a step of mixing the precursor with a reducing agent and performing the heat treatment of holding the mixture at 600-1,415° C. in an inert gas or vacuum atmosphere with an oxygen partial pressure of at most 10 Pa.

    摘要翻译: 本发明提供一种低成本地容易且稳定地制备具有良好性能的导电性钙铝石型化合物的方法,而不需要昂贵的设备,高温反应和长时间的反应或复杂的反应控制。 制备导电性钙铝石型化合物的方法包括使前体进行热处理的步骤,其中前体含有Ca和/或Sr,和Al,(CaO和SrO:Al 2 O 3的总和)的摩尔比为( 12.6:6.4)至(11.7:7.3),前体中CaO,SrO和Al2O3的总含量为至少50摩尔%,前体为玻璃态或结晶性材料; 该方法包括将前体与还原剂混合并在氧分压至多10Pa的惰性气体或真空气氛中进行600-1,415℃保持混合物的热处理的步骤。

    METHOD FOR PREPARING ELECTROCONDUCTIVE MAYENITE TYPE COMPOUND
    5.
    发明申请
    METHOD FOR PREPARING ELECTROCONDUCTIVE MAYENITE TYPE COMPOUND 有权
    制备电极型MAYENITE型化合物的方法

    公开(公告)号:US20080095688A1

    公开(公告)日:2008-04-24

    申请号:US11948147

    申请日:2007-11-30

    IPC分类号: C01F17/00 C01F11/02 C01F7/00

    摘要: Provided is a method for preparing an electroconductive mayenite type compound with good properties readily and stably at low cost without need for expensive facilities, a reaction at high temperature and for a long period of time, or complicated control of reaction. A method for preparing an electroconductive mayenite type compound comprises a step of subjecting a precursor to heat treatment, wherein the precursor contains Ca and/or Sr, and Al, a molar ratio of (a total of CaO and SrO:Al2O3) is from (12.6:6.4) to (11.7:7.3) as calculated as oxides, a total content of CaO, SrO and Al2O3 in the precursor is at least 50 mol %, and the precursor is a vitreous or crystalline material; and the method comprises a step of mixing the precursor with a reducing agent and performing the heat treatment of holding the mixture at 600-1,415° C. in an inert gas or vacuum atmosphere with an oxygen partial pressure of at most 10 Pa.

    摘要翻译: 本发明提供一种低成本地容易且稳定地制备具有良好性能的导电性钙铝石型化合物的方法,而不需要昂贵的设备,高温反应和长时间的反应或复杂的反应控制。 制备导电性钙铝石型化合物的方法包括以下步骤:将前体进行热处理,其中前体含有Ca和/或Sr,和Al,(CaO和SrO:Al 2的总和的摩尔比 (12.6:4.4)至(11.7:7.3)按氧化物计算,CaO,SrO和Al 2 O 2的总含量 前体中的3 <3>至少为50摩尔%,前体是玻璃状或结晶的材料; 该方法包括将前体与还原剂混合并在氧分压至多10Pa的惰性气体或真空气氛中进行600-1,415℃保持混合物的热处理的步骤。

    METHOD AND APPARATUS FOR REMOVING BUBBLES FROM MOLTEN GLASS AND PROCESS FOR PRODUCING GLASS
    8.
    发明申请
    METHOD AND APPARATUS FOR REMOVING BUBBLES FROM MOLTEN GLASS AND PROCESS FOR PRODUCING GLASS 失效
    用于从玻璃中除去泡沫的方法和装置以及用于生产玻璃的方法

    公开(公告)号:US20090113938A1

    公开(公告)日:2009-05-07

    申请号:US12265841

    申请日:2008-11-06

    IPC分类号: C03B5/16 C03B29/00

    CPC分类号: C03B5/225 Y02P40/57

    摘要: It is an object of the present invention to provide a method and apparatus for efficiently remove bubbles present on a surface of molten glass, which can solve a problem that bubbles remaining on a surface of molten glass are get inside at a time of forming the glass to cause inside bubbles, to thereby provide a glass substrate of good quality, and which can improve productivity of glass substrates; and to provide a process for producing glass employing the above method for removing bubbles.The present invention provides a method for removing bubbles from molten glass, which is a method for removing floating bubbles on a surface of molten glass, wherein a floating bubble on the surface of molten glass is irradiated with at least one laser beam.

    摘要翻译: 本发明的目的是提供一种有效去除熔融玻璃表面存在的气泡的方法和装置,其可以解决在形成玻璃时熔融玻璃表面残留的气泡的问题 引起内部气泡,从而提供质量好的玻璃基板,并且可以提高玻璃基板的生产率; 并提供使用上述除去气泡的方法制造玻璃的方法。 本发明提供了一种从熔融玻璃中除去气泡的方法,该方法是用于去除熔融玻璃表面上的浮动气泡的方法,其中用至少一个激光束照射熔融玻璃表面上的浮动气泡。

    METHOD FOR REDUCING DIAMETER OF BUBBLE EXISTING IN A GLASS PLATE
    9.
    发明申请
    METHOD FOR REDUCING DIAMETER OF BUBBLE EXISTING IN A GLASS PLATE 有权
    用于减少玻璃板中存在的泡沫的直径的方法

    公开(公告)号:US20080037014A1

    公开(公告)日:2008-02-14

    申请号:US11872354

    申请日:2007-10-15

    IPC分类号: G01N21/00

    摘要: It is an object of the present invention to provide a new method for reducing the diameter of a bubble existing in a glass plate. Specifically, the present invention provides a method for reducing the diameter of a bubble existing in a glass plate, which comprises irradiating the vicinity of the bubble existing in the glass plate with a light beam emitted from a light source, to raise the temperature of the glass in the vicinity of the bubble to at least the melting point of the glass to reduce the maximum diameter of the bubble.

    摘要翻译: 本发明的目的是提供一种用于减小存在于玻璃板中的气泡的直径的新方法。 具体地说,本发明提供一种降低存在于玻璃板中的气泡的直径的方法,该方法包括用从光源发射的光束照射存在于玻璃板中的气泡附近,以提高玻璃板的温度 玻璃在气泡附近至少达到玻璃的熔点,以减小气泡的最大直径。