CAPACITOR

To provide a capacitor capable of inducing a failure mode into an open mode even if a short circuit due to dielectric breakdown in a dielectric layer occurs.SOLUTION: A capacitor 1 includes: a substrate 10; a MIM structure 20 provided in the substrate 10 and including a dielectric layer 21, a lower...

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Bibliographische Detailangaben
Hauptverfasser: AOYAGI YOSHIO, MASUDA HIDETOSHI, TAKE NOBUAKI
Format: Patent
Sprache:eng ; jpn
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Beschreibung
Zusammenfassung:To provide a capacitor capable of inducing a failure mode into an open mode even if a short circuit due to dielectric breakdown in a dielectric layer occurs.SOLUTION: A capacitor 1 includes: a substrate 10; a MIM structure 20 provided in the substrate 10 and including a dielectric layer 21, a lower electrode layer 22 that is provided on one side of the dielectric layer 21 and comprises a first conductive material, and an upper electrode layer 23 provided on the other side of the dielectric layer 21; a first external electrode 2 provided above the substrate 10; a second external electrode 3 provided above the substrate 10; and a connection conductor 50 connecting between the lower electrode layer 22 and the first external electrode 2, the connection conductor 50 having a first contact part 51 in contact with the substrate 10.SELECTED DRAWING: Figure 2 【課題】誘電体層での絶縁破壊に起因するショートが発生した場合であっても故障モードをオープンモードにすることができるキャパシタを提供する。【解決手段】キャパシタ1は、基材10と、基材10に設けられ、誘電体層21、誘電体層21の一方の面に設けられ第1導電材料から成る下部電極層22、及び誘電体層21の他方の面に設けられた上部電極層23を有するMIM構造体20と、基材10に設けられた第1外部電極2と、基材10に設けられた第2外部電極3と、下部電極層22と第1外部電極2とを接続する接続導体50と、を備え、接続導体50は、基材10と接する第1接触部51を有する。【選択図】図2