Patent ID: 8817451

Claim:
A capacitor comprising: a first propeller-shaped portion disposed in a first metal level, wherein the first propeller-shaped portion comprises a first horizontal member oriented in a first direction and a first vertical member oriented in a second direction, the first horizontal member having a first horizontal length in the first direction and the first vertical member having a first vertical length in the second direction, the first vertical member intersecting the first horizontal member in a first intersection region having a first center point, the first direction being orthogonal to the second direction, wherein the first horizontal length is greater than the first vertical length; a second propeller-shaped portion disposed in the first metal level, wherein the second propeller-shaped portion comprises a second horizontal member oriented in the first direction and a second vertical member oriented in the second direction, the second vertical member intersecting the second horizontal member in a second intersection region having a second center point; a third propeller-shaped portion disposed in the first metal level, wherein the third propeller-shaped portion comprises a third horizontal member oriented in the first direction and a third vertical member oriented in the second direction, the third vertical member intersecting the third horizontal member in a third intersection region having a third center point; and a fourth propeller-shaped portion disposed in the first metal level, wherein the fourth propeller-shaped portion comprises a fourth horizontal member oriented in the first direction and a fourth vertical member oriented in the second direction, the fourth vertical member intersecting the fourth horizontal member in a fourth intersection region having a fourth center point, wherein the first horizontal member overlaps with the second vertical member, the third horizontal member, the fourth vertical member, and the fourth horizontal member so as to prevent any other additional vertical member to intersect with the first horizontal member in the first metal level.