Electricity: electrical systems and devices – Electrostatic capacitors – Fixed capacitor
Reexamination Certificate
2006-08-08
2006-08-08
Thomas, Eric W. (Department: 2831)
Electricity: electrical systems and devices
Electrostatic capacitors
Fixed capacitor
C361S311000, C361S301400, C156S089120
Reexamination Certificate
active
07088568
ABSTRACT:
A method for manufacturing a multilayer ceramic substrate including the steps of providing multilayers of ceramic green sheets each having an electrode layer formed on a dielectric layer such that, after firing, at least one electrode layer which is separated by the dielectric layer from the adjacent electrode layer in the substrate has an overlapping area of 0.4 mm2or smaller with the adjacent electrode; and firing the multilayers of the ceramic green sheets at a selected temperature such that, after firing, an interface between the dielectric layer and the electrode layer in the substrate has irregularities with a roughness Rmax of 6 μm or less per 100 μm standard length and the dielectric layer has a saturation sintered density.
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Nonoue Hiroshi
Wakisaka Kenichiro
Yoshikawa Hideki
McDermott Will & Emery LLP
Sanyo Electric Co,. Ltd.
Thomas Eric W.
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