Circuit device
AssigneeSanyo Electric Co., Ltd.
InventorsRyosuke Usui, Hideki Mizuhara, Yasunori Inoue, Katsunori Kobayashi
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Abstract
A circuit device capable of suppressing reduction of reliability resulting from heat generated in a circuit element is obtained. This circuit device comprises a first insulating layer having a first opening and a second opening, a first conductor filling up the first opening of the first insulating layer, a second conductor, formed along the inner side surface of the second opening of the first insulating layer, having a concave upper surface and a circuit element arranged above a region of the first insulating layer formed with the first opening.
Claims20
A circuit device comprising:
- a first insulating layer having a first opening and a second opening;
- a first conductor filling up said first opening of said first insulating layer;
- a second conductor, formed along the inner side surface of said second opening of said first insulating layer, having a concave upper surface;
- and
- a circuit element arranged above a region of said first insulating layer formed with said first opening.
Dependencies are inferred from the claim text.