Electricity: electrical systems and devices – Electrostatic capacitors – Fixed capacitor
Reexamination Certificate
2006-08-23
2010-06-22
Thomas, Eric (Department: 2831)
Electricity: electrical systems and devices
Electrostatic capacitors
Fixed capacitor
C361S303000, C029S025420
Reexamination Certificate
active
07742277
ABSTRACT:
A dielectric film capacitor includes a lower electrode having an opening and formed of a material including platinum, a dielectric film provided over the lower electrode and including an oxide having an ABOx crystal structure, and an upper electrode provided over the dielectric film. The planar area of the lower electrode is 50% or more of the area of a formation region of the dielectric film. A dielectric film capacitor includes a lower electrode formed of a material including platinum and having a thickness of 10 to 100 nm, a dielectric film provided over the lower electrode and including an oxide having an ABOx crystal structure, and an upper electrode provided over the dielectric film.
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Harada Muneo
Hirota Yoshihiro
Kawaguchi Tatsuzo
Kawano Shuichi
Kitano Takahiro
Ibiden Company Limited
Oblon, Spivak McClelland, Maier & Neustadt, L.L.P.
Thomas Eric
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