METHOD FOR PREPARING ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER
    6.
    发明申请
    METHOD FOR PREPARING ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER 有权
    制备电子摄影成像的方法

    公开(公告)号:US20090023091A1

    公开(公告)日:2009-01-22

    申请号:US12025399

    申请日:2008-02-04

    CPC classification number: G03G5/147 G03G5/047 G03G5/0525

    Abstract: A method for preparing in high productivity and stably an electrophotographic photosensitive member having depressed portions on its surface, is provided. The method is characterized in that a coating liquid for a surface layer which includes a solvent including a hydrophilic solvent and a hydrophobic solvent and a polymer compound soluble in the hydrophobic solvent is used; the hydrophilic solvent has a boiling point equal to or higher than that of the hydrophobic solvent; the hydrophilic solvent has a dipole moment of 0 or more and less than 2.8, obtained by a structure optimized calculation using a semiempirical molecular orbital calculation; the total mass of the hydrophobic solvent is 50 mass % or more and less than 100 mass % of the total mass of the solvent included in the coating liquid for a surface layer; and after the coating liquid for a surface layer is applied, the depressed portions are formed by condensation on the surface on which the coating liquid for a surface layer is applied.

    Abstract translation: 提供了一种以高生产率和稳定地制备其表面具有凹陷部分的电子照相感光构件的方法。 该方法的特征在于,使用包含亲水性溶剂和疏水性溶剂的溶剂的表面层用涂布液和可溶于疏水性溶剂的高分子化合物。 亲水性溶剂的沸点等于或高于疏水性溶剂的沸点; 亲水性溶剂的偶极矩为0以上且小于2.8,通过使用半经验分子轨道计算的结构优化计算获得; 疏水性溶剂的总质量为表面层用涂布液中所含的溶剂总质量的50质量%以上且小于100质量% 并且在施加表面层用涂布液之后,通过冷凝形成凹部,在其上施加表面层用涂布液的表面上。

    Multilayer ceramic capacitor
    7.
    发明授权
    Multilayer ceramic capacitor 有权
    多层陶瓷电容器

    公开(公告)号:US06987662B2

    公开(公告)日:2006-01-17

    申请号:US11043267

    申请日:2005-01-27

    CPC classification number: H01G4/30 H01G4/12

    Abstract: A multilayer ceramic capacitor 1 having internal electrode layers 3, internal dielectric layers 2 having the thickness of less than 2 μm, and external dielectric layers 20 wherein; the internal dielectric layers 2 and the external dielectric layers 20 include a plural number of dielectric particles 2a, 20a, and when y1 is ratio(D50a/D50b) of D50a and D50b where D50a is an average particle size of dielectric particles 2a included in the internal dielectric layers 2 and D50b is an average particle size of dielectric particles 20a included in the external dielectric layer 20 and located at least 5 μm away from an internal electrode layer 3a, arranged outermost part of all the internal electrode layers, to the stacked direction, and x is thickness of the internal dielectric layer 2, y1 and x satisfy the following equations, y1≦−0.75x+2.275 and y1≧−0.75x+1.675. According to the present invention, even when thickness of internal dielectric layers 2 were made thinner, a multilayer ceramic capacitor 1 wherein improvements in all kinds of electric characteristics, specially an improvement in TC bias characteristic while having sufficient dielectric constant can be expected.

    Abstract translation: 具有内部电极层3,厚度小于2μm的内部电介质层2和外部电介质层20的多层陶瓷电容器1,其中: 内部电介质层2和外部电介质层20包括多个电介质粒子2a,20a,当y1为D50a和D50b的比率(D50a / D50b)时,D50 a是包含在内部电介质层2中的电介质粒子2a的平均粒径,D50b是包含在外部电介质层20中并且位于离内部电极至少5m的电介质粒子20a的平均粒径 层3a,所有内部电极层的最外面的部分为堆叠方向,x为内部电介质层2的厚度,y 1和x满足下列等式:y 1 <= - 0.75×+ 2.275和y 1> = - 0.75x + 1.675。 根据本发明,即使使内部电介质层2的厚度变薄,也可以期望具有各种电特性的改善的多层陶瓷电容器1,特别是具有足够介电常数的TC偏置特性的改善。

    Multilayer ceramic capacitor
    8.
    发明授权
    Multilayer ceramic capacitor 失效
    多层陶瓷电容器

    公开(公告)号:US06975502B2

    公开(公告)日:2005-12-13

    申请号:US11094604

    申请日:2005-03-31

    CPC classification number: H01G4/12 H01G4/30

    Abstract: A multilayer ceramic capacitor including an internal electrode layer, an internal dielectric layer having a thickness of less than 2 μm, and an external dielectric layer is provided, wherein the internal dielectric layer and external dielectric layer contain a plurality of dielectric particles, and when assuming that an average particle diameter of the entire dielectric particles in the internal dielectric layer is D50a (unit: μm), an average particle diameter of the entire dielectric particles existing at a position being away at least by 5 μm from the outermost internal electrode layer in the thickness direction is D50b (unit: μm), a ratio (D50a/D50b) of the D50a and D50b is y (no unit), standard deviation of a particle size distribution of the entire dielectric particles in the internal dielectric layer is σ (no unit), and a ratio that dielectric particles (coarse particles) having an average particle diameter of 2.25 times of the D50a exist in the entire dielectric particles is p (unit: %), the y and x satisfy a relationship of y −0.75x+1.740, the σ satisfies σ

    Abstract translation: 提供包括内部电极层,厚度小于2μm的内部电介质层和外部电介质层的多层陶瓷电容器,其中内部电介质层和外部电介质层包含多个电介质颗粒,并且当假定 内部电介质层中的整个电介质颗粒的平均粒径为D50a(单位:mum),存在于距离最外部内部电极层至少离开5μm的位置的整个电介质粒子的平均粒径 厚度方向为D50b(单位:mum),D50a和D50b的比率(D50a / D50b)为y(无单位),内部电介质层中的整个电介质粒子的粒度分布的标准偏差为σ( 无单位),并且在整个电介质粒子中存在平均粒径为D50a的2.25倍的电介质粒子(粗粒子)的比例 s为p(单位:%),y和x满足y <-0.75x + 2.015和y> -0.75x + 1.740的关系,σ满足σ<0.091,p满足p <2.85% 即使当内部电介质层变薄时,也可以期望改善TC偏压特性,同时保持各种电特性,特别是足够的介电常数。

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