Multilayer ceramic capacitor and method for manufacturing the same
A technology of multilayer ceramics and capacitors, which is applied in the direction of laminated capacitors, fixed capacitor electrodes, fixed capacitor dielectrics, etc., and can solve problems such as insulation resistance degradation
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[0016] A description will be given of a multilayer ceramic capacitor. figure 1 A partial perspective view of multilayer ceramic capacitor 100 is shown. Such as figure 1 As shown, the multilayer ceramic capacitor 100 includes a multilayer chip 10 having a rectangular parallelepiped shape and a pair of external electrodes 20 a and 20 b respectively provided at two edge faces of the multilayer chip 10 facing each other. The four surfaces other than the two edge surfaces of the multilayer chip 10 are called side surfaces. The external electrodes 20a and 20b extend to four sides. However, the external electrodes 20a and 20b are spaced apart from each other on four sides.
[0017] The multilayer chip 10 has a structure designed to have alternately stacked dielectric layers 11 and internal electrode layers 12 . The dielectric layer 11 includes a ceramic material used as a dielectric material. End edges of the internal electrode layer 12 are alternately exposed to a first edge fa...
Embodiment 1-6
[0049] The additive compound is added to the barium titanate powder. The obtained barium titanate powder was fully wet-mixed and pulverized. Thus a dielectric material is obtained. Organic binders and solvents are added to the dielectric material. And a dielectric green sheet was prepared by a doctor blade method. The thickness of the dielectric green sheet was 0.8 μm. The organic binder is polyvinyl butyral (PVB) resin or the like. The solvent is ethanol, toluene or the like. And add plasticizer etc. Next, a conductive paste for forming the internal electrode layer is prepared by mixing a powder serving as a main component metal of the internal electrode layer 12 , a binder, a solvent, and additives as necessary. Organic binders and solvents are different from those in dielectric green sheets. The conductive paste was screen printed on the dielectric sheet. 250 dielectric green sheets having a conductive paste for forming an internal electrode layer thereon were stack...
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