Semiconductor integrated circuit device with capacitor formed under bonding pad
AssigneeSamsung Electronics Co., Ltd.
InventorSang-Heon Lee
Life of this patent
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Abstract
A semiconductor device is provided which includes a semiconductor substrate having a main surface. A bonding pad is formed on the main surface. A multi-layer wiring structure is disposed between the main surface and the bonding pad. The multi-layer wiring structure includes a first wiring layer, a second wiring layer, and an interlayer insulating film therebetween. The first layer, the second layer, and the interlayer film form a capacitor disposed under the bonding pad.
Claims13
A semiconductor device, comprising:
- a semiconductor substrate having a main surface;
- a single insulating layer;
- a bonding pad formed on said main surfice;
- and
- a multi-layer wiring suture disposed between the main surfuce and the bonding pad, said multi-layer wiring structure comprising a first wiring layer, a second wiring layer, and an interlayer insulating fuin therbetween, wherein said first layer, said second layer, and said interlayer film form a capacitor disposed under said bonding pad, only the single insulating layer is disposed between the capacitor and the bonding pad, whre only the first layer of the multi-layers structure has a plurality of via holes under the bonding pad.
A semiconductor device, comprising:
- a semiconductor subswtr having a main surface;
- a plurality of bonding pads formed on an area of said main surface;
- a first conductive layer having a plurality of first conductive patterns formed on said main surface and arranged along the area;
- a second conductive layer having a plurality of second conductive patterns formed between said main surface and said first conductive layer and arranged along said area to overlap with said first conductive patterns;
- and
- an insulating layer disposed between said first and said second conductive layers, wherein only the first conductive layer has a plurality of via holes under the plurality of bonding pads and said first conductive patterns, said second conductive patterns, and said insulating layer from a plurality of capacitors.
A seniconductor device, comprising:
- a semiconductor substrate having a main surface;
- a plurality of bonding pads formed on an area of said main surface;
- a first wiring layer arranged between said main surface and said pads and grown along said area;
- a second wiring layer arranged between said main surface and said first wiring layer and along said area;
- and
- an insulating layer arranged between and in contact with said wiring layers, wherein only the first wiring layer has a plurality of via holes under the bonding pads and said first wiring layer, said second wiring layer, and said insulating layer form a plurality of capacitors under the bonding pads.
A semiconductor device having a plurality of bonding pads, coprising:
- a conductive semiconductor substrate having a main surface,
- an insulating layer formied on said main surface;
- and
- a MOS transistor having source/drain regions and a gate region, wherein
- the source/drain regions of the MOS transistor form a conductive active region in said seiconductor substrate;
- the gate region of the MOS transistor forms a conductive layer on said insulating layer,
- said conductive active region, said insulating layer, and said conductive layer are formed below the plurality of bonding pads, and only said conductive layer has a plurality of via holes under the bonding pads, and
- said active region, said insulating layer, and said conductive layer serve as a capacitor.
A semiconductor device having a plurality of bonding pads, compising:
- a conductive semiconductor substrate having a main surface;
- an insulating layer fored between said main surface and said conductive layer, only the conductive layer has a plurality of via holes under the bonding pads, and
- a MOS transistor having so drain regions and a gate region, wherein
- the gate region of the MOS transistor forms a conductive layer having a plurality of conductive patterns on said main surface;
- the source/drain regions of the MOS transistor form a plurality of conductive active regions in said semiconductor substrate;
- and
- the plurality of conduictive patems, the insulating layer, and the plurality of conductive active regions serve as a plurality of capacitors.
Dependencies are inferred from the claim text.