High permeability layered films to reduce noise in high...

Active solid-state devices (e.g. – transistors – solid-state diode – Superconductive contact or lead – Transmission line or shielded

Reexamination Certificate

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C257S664000, C257S766000

Reexamination Certificate

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07375414

ABSTRACT:
This invention provides a structure and method for improved transmission line operation on integrated circuits. One method of the invention includes forming transmission lines in an integrated circuit. The method includes forming a first layer of electrically conductive material on a substrate. A first layer of insulating material is formed on the first layer of the electrically conductive material. A pair of layered high permeability shielding lines are formed on the first layer of insulating material. The pair of layered high permeability shielding lines include layered permalloy and/or Ni45Fe55films. A transmission line is formed on the first layer of insulating material and between and parallel with the pair of layered high permeability shielding lines.

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