Electronic component that operates stably over a range of temperatures and apparatus including the same
First Claim
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1. An electronic component comprising:
- a first capacitor comprising a first dielectric material having a permittivity that is inversely proportional to temperature; and
a second capacitor connected in parallel with the first capacitor and comprising a second dielectric material having a permittivity that is directly proportional to temperature,wherein the first capacitor and the second capacitor comprise;
a ceramic body;
a first external electrode and a second external electrode respectively disposed on opposing end portions of the ceramic body in a first direction; and
first, second, third and fourth internal electrodes disposed in the ceramic body and extending in the first direction and stacked in a second direction intersecting the first direction;
wherein the first and third internal electrodes are connected to the first external electrode;
the second and fourth internal electrodes are connected to the second external electrode;
the first dielectric material is disposed in the ceramic body between the first and second internal electrodes;
the second dielectric material is disposed in the ceramic body between the third and fourth internal electrodes;
the first and second internal electrodes and the first dielectric material constitute the first capacitor; and
the third and fourth internal electrodes and the second dielectric material constitute the second capacitor.
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Abstract
An electronic component includes a first capacitor including a first dielectric material having a permittivity that is inversely proportional to temperature; and a second capacitor connected in parallel with the first capacitor and including a second dielectric material having a permittivity that is directly proportional to temperature.
2 Citations
14 Claims
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1. An electronic component comprising:
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a first capacitor comprising a first dielectric material having a permittivity that is inversely proportional to temperature; and a second capacitor connected in parallel with the first capacitor and comprising a second dielectric material having a permittivity that is directly proportional to temperature, wherein the first capacitor and the second capacitor comprise; a ceramic body; a first external electrode and a second external electrode respectively disposed on opposing end portions of the ceramic body in a first direction; and first, second, third and fourth internal electrodes disposed in the ceramic body and extending in the first direction and stacked in a second direction intersecting the first direction; wherein the first and third internal electrodes are connected to the first external electrode; the second and fourth internal electrodes are connected to the second external electrode; the first dielectric material is disposed in the ceramic body between the first and second internal electrodes; the second dielectric material is disposed in the ceramic body between the third and fourth internal electrodes; the first and second internal electrodes and the first dielectric material constitute the first capacitor; and the third and fourth internal electrodes and the second dielectric material constitute the second capacitor. - View Dependent Claims (2, 3, 4)
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5. An apparatus comprising:
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an electronic component comprising; a first capacitor comprising a first dielectric material having a permittivity that is inversely proportional to temperature; and a second capacitor connected in parallel with the first capacitor and comprising a second dielectric material having a permittivity that is directly proportional to temperature; a coil connected to the electronic component; and a power supply configured to supply alternating current (AC) power to the electronic component and the coil to cause the coil to transmit the supplied AC power wirelessly, wherein the first capacitor and the second capacitor comprise; a ceramic body; a first external electrode and a second external electrode respectively disposed on opposing end portions of the ceramic body in a first direction; and first, second, third and fourth internal electrodes disposed in the ceramic body and extending in the first direction and stacked in a second direction intersecting the first direction; wherein the first and third internal electrodes are connected to the first external electrode; the second and fourth internal electrodes are connected to the second external electrode; the first dielectric material is disposed in the ceramic body between the first and second internal electrodes; the second dielectric material is disposed in the ceramic body between the third and fourth internal electrodes; the first and second internal electrodes and the first dielectric material constitute the first capacitor; and the third and fourth internal electrodes and the second dielectric material constitute the second capacitor. - View Dependent Claims (6, 7, 8, 9, 10, 11, 12, 13)
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14. An apparatus comprising:
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an electronic component comprising; a first element having a characteristic that changes with temperature; and a second element connected to the first element and having a characteristic that changes with temperature in a direction that is opposite to a direction in which the characteristic of the first element changes with temperature; and a coil connected to the electronic component and forming a resonant circuit with the electronic component, wherein the first element is a capacitor having a permittivity that is inversely proportional to temperature, and the second element is an inductor connected in series with the capacitor and having an inductance that is directly proportional to temperature;
orthe first element is a capacitor having a permittivity that is directly proportional to temperature, and the second element is an inductor connected in series with the capacitor and having an inductance that is inversely proportional to temperature, wherein the first element and the second element comprise; a ceramic body; a first external electrode and a second external electrode separately disposed on a first end of the ceramic body, a third external electrode disposed on an opposing end of the ceramic body in a first direction; and first and second internal electrodes disposed in the ceramic body and extending in the first direction and stacked in a second direction intersecting the first direction, and wherein the first internal electrode is connected to the first external electrode; the second internal electrode is connected to the third external electrode; a first dielectric material is disposed in the ceramic body between the first and second internal electrodes; the first and second internal electrodes and the first dielectric material constitute the first capacitor; and one end of the inductor is electrically connected to the third external electrode, and the other end of the inductor is electrically connected to the second external electrode.
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Specification