Patent ID: 6410858
Filing Date: 2002-06-25
Classification: H01L,H05K,Y10T

Abstract:
A multilayered wiring board comprising, at least, two wiring layers and an interlaminar insulating layer sandwiched therebetween, in which said wiring board further has, incorporated therein, at least one capacitor element which comprises a sandwiched structure of:a lower electrode-forming metallic layer having formed thereon at least one recessed portion, said recessed portion being an extension of said metallic layer beyond said metallic layer each said recessed portion having a side wall and a bottom wall; a dielectric layer formed over the lower electrode-forming metallic layer having a recessed portion conforming to the recessed portion of said lower electrode-forming metallic layer; and an upper electrode-forming metallic layer formed over the dielectric layer having a recessed portion conforming to the recessed portion of said dielectric layer.