摘要:
A circuit board includes an insulating layer; a capacitor which is provided in the insulating layer and includes a dielectric layer, a first conductor layer provided on a first surface of the dielectric layer and including a first opening part, and a second conductor layer provided on a second surface opposite to the first surface of the dielectric layer and including a second opening part at a position corresponding to the first opening part; a first conductor via provided in the insulating layer, penetrating the dielectric layer, the first opening part and the second opening part, and being smaller than the first opening part and the second opening part in plan view; a second conductor via provided in the insulating layer and making contact with the second conductor layer; and a third conductor layer provided on the insulating layer and electrically coupled to the first and the second conductor vias.
摘要:
There is provided a circuit board to which a solder ball composed of a lead (Pb)-free solder is to be connected, a semiconductor device including an electrode and a solder ball composed of a lead (Pb)-free solder disposed on the electrode, and a method of manufacturing the semiconductor device, in which mounting reliability can be improved by enhancing the bonding strength (adhesion strength) between the solder ball composed of a lead (Pb)-free solder and the electrode.
摘要:
A circuit board includes: an insulating layer; a capacitor which is provided in the insulating layer and which includes a dielectric layer, a first conductor layer provided on a first surface of the dielectric layer and including an opening part, and a second conductor layer provided on a second surface opposite to the first surface of the dielectric layer and including a recess part at a position corresponding to the opening part; and a conductor via provided in the insulating layer, penetrating the dielectric layer, the opening part and the recess part, being in contact with the recess part, and being smaller than the opening part in plan view.
摘要:
A circuit substrate includes a first insulating layer, a capacitor disposed over the first insulating layer, the capacitor including a dielectric layer, a first conductor layer disposed on a first face of the dielectric layer, and a second conductor layer disposed on a second face opposite to the first face of the dielectric layer and having an electric resistivity higher than that of the first conductor layer, a third conductor layer disposed on a surface of the second conductor layer, the third conductor layer having an electric resistivity lower than that of the second conductor layer, a second insulating layer covering the capacitor, and a conductor via disposed in the second insulating layer, the conductor via being coupled to a portion of the third conductor layer.
摘要:
A circuit board includes: an insulating layer; a capacitor which is provided in the insulating layer and which includes a dielectric layer, a first conductor layer provided on a first surface of the dielectric layer and including an opening part, and a second conductor layer provided on a second surface opposite to the first surface of the dielectric layer and including a recess part at a position corresponding to the opening part; and a conductor via provided in the insulating layer, penetrating the dielectric layer, the opening part and the recess part, being in contact with the recess part, and being smaller than the opening part in plan view.
摘要:
A circuit board includes an insulating layer, a capacitor which is provided in the insulating layer and includes a dielectric layer, a first conductor layer provided on a first surface of the dielectric layer and including a first opening part, and a second conductor layer provided on a second surface opposite to the first surface of the dielectric layer and including a second opening part at a position corresponding to the first opening part; a first conductor via provided in the insulating layer, penetrating the dielectric layer, the first opening part and the second opening part, and being smaller than the first opening part and the second opening part in plan view; a second conductor via provided in the insulating layer and making contact with the second conductor layer; and a third conductor layer provided on the insulating layer and electrically coupled to the first and the second conductor vias.
摘要:
There is provided a circuit board to which a solder ball composed of a lead (Pb)-free solder is to be connected, a semiconductor device including an electrode and a solder ball composed of a lead (Pb)-free solder disposed on the electrode, and a method of manufacturing the semiconductor device, in which mounting reliability can be improved by enhancing the bonding strength (adhesion strength) between the solder ball composed of a lead (Pb)-free solder and the electrode.