Electricity: electrical systems and devices – Electrostatic capacitors – Fixed capacitor
Reexamination Certificate
2011-08-30
2011-08-30
Ha, Nguyen T (Department: 2835)
Electricity: electrical systems and devices
Electrostatic capacitors
Fixed capacitor
C361S308100, C361S311000, C361S313000, C361S321100, C361S321200
Reexamination Certificate
active
08009408
ABSTRACT:
Better high-temperature load characteristics are obtained in a laminated ceramic capacitor including a dielectric ceramic layer with a thickness of 1 μm or less. The laminated ceramic capacitor includes a plurality of stacked dielectric ceramic layers, a plurality of internal electrode layers, each disposed between dielectric ceramic layers, and external electrodes that are electrically connected to internal electrode layers. In this laminated ceramic capacitor, when the thickness of each dielectric ceramic layer is denoted by tc and the thickness of each internal electrode layer is denoted by te, tc is 1 μm or less, and tc/te is equal to or less than 1.
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Written Opinion of the International Searching Authority, mailed Oct. 20, 2009.
Matsuda Makoto
Nakamura Tomoyuki
Dickstein & Shapiro LLP
Ha Nguyen T
Murata Manufacturing Co. Ltd.
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