Patent ID: 6680521
Filing Date: 2004-01-20
Classification: H01L

Abstract:
A composite capacitor in a semiconductor die, said composite capacitor comprising:a lower electrode of a lower capacitor, said lower electrode of said lower capacitor situated in a lower interconnect metal layer in said semiconductor die; an upper electrode of said lower capacitor, said upper electrode situated within a lower interlayer dielectric layer, said lower interlayer dielectric layer separating said lower interconnect metal layer from an upper interconnect metal layer; a lower electrode of an upper capacitor, said lower electrode of said upper capacitor situated in said upper interconnect metal layer in said semiconductor die; an upper electrode of said upper capacitor, said upper electrode situated within an upper interlayer dielectric layer, said upper interlayer dielectric layer being situated over said upper interconnect metal layer; said upper electrode of said lower capacitor being connected to said lower electrode of said upper capacitor; said lower electrode of said lower capacitor being connected to said upper electrode of said upper capacitor, whereby said composite capacitor is a parallel combination of said lower capacitor and said upper capacitor.