Multichip module having integral decoupling capacitor

Details Multichip module having integral decoupling capacitor Multichip module having integral decoupling capacitor

1990-12-17

1992-07-28

Griffin, Donald

Electricity: electrical systems and devices

Electrostatic capacitors

Fixed capacitor

357 51, 29 2542, H01G 406, H01G 700, H01L 2702

Patent

active

051345390

ABSTRACT:
An integral decoupling capacitor for a multichip module. The capacitor is formed over a support base material which need not be conductive. A first plate is formed by deposition of an anodizable metal. The metal is then anodized to form a dielectric layer. A second layer of metal is then formed over the dielectric layer. The formation of the capacitor over the surface of the wafer allows modules to be inventoried. Direct contact to the metal forming the capacitor plates relieves the support base from any requirement to be conductive.

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