Patent ID: 7808357

Claim:
A dual inductance structure, comprising: a substrate having a layout layer and a grounding layer; a first inductance element disposed on the layout layer, wherein the first the inductance element has a first conductor and a second conductor which are connected with each other; and a second inductance element disposed on the layout layer having a third conductor and a fourth conductor which are connected with each other, wherein the fourth conductor is adjacent to the second conductor, wherein, the grounding layer comprising a grounding element, wherein the grounding element has a first grounding portion and a second grounding portion which are connected with each other, the first grounding portion is located at an area of the grounding layer corresponding to an area between the first conductor and the third conductor, at least a part of the second grounding portion is located at an area of the grounding layer corresponding to an area between the first conductor and the second conductor, and at least another part of the second grounding portion is located at an area of the grounding layer corresponding to an area between the third conductor and the fourth conductor.