Patent ID: 7863666

Claim:
A capacitor pair structure for increasing the match thereof, said capacitor pair structure comprising: a first finger electrode structure having a first electrode and a plurality of first extended electrodes, wherein each said plurality of first extended electrodes has a first end and a second end, said plurality of first extended electrodes parallel to each other and said plurality of first ends connect to said first electrode; a second finger electrode structure having a second electrode and a plurality of second extended electrodes, wherein each said plurality of second extended electrodes has a third end and a fourth end, said plurality of second extended electrodes parallel to each other and said plurality of third ends connect to said second electrode, said plurality of fourth ends are horizontally in opposition to said plurality of second ends; a third electrode structure having a plurality of third electrodes located on a conductive layer, wherein said plurality of third electrodes are physically separate and unconnected from each other on the same conductive layer, and are respectively interlacing between said first finger electrode structure and said second finger electrode structure; and a fourth electrode comprising a single conductive strip with an elongated rectangular shape and being located on an adjacent conductive layer different from the conductive layer of said plurality of third electrodes wherein said fourth electrode connects to said plurality of third electrode by a plurality of third vias.