To provide a capacitor which can obtain a required capacitance value with high precision and is excellent in response in a high frequency region.

The lower surface of a dielectric layer 5 is smaller than the upper surface of a lower electrode layer 2, the lower surface of an upper electrode 4 is smaller than the upper surface of the dielectric layer 3, and the aperture end of a lower side of the aperture 6 is smaller than the upper surface of the upper electrode layer 4. An extraction electrode layer consists of a first extraction electrode layer 7 constituted of the same material as the upper electrode layer 4, and a second extraction electrode layer 8 which is formed on the first extraction electrode layer 7 and constituted of material whose resistance is lower than the first extraction electrode layer 7. The capacitor is constituted of the above. The capacitor can be obtained which is excellent in leak property and has requested capacitance value with high precision. The capacitor whose response is good even in the high frequency region can be obtained.