Method of Fabricating a micro-coaxial wiring structure

Details Method of Fabricating a micro-coaxial wiring structure Method of Fabricating a micro-coaxial wiring structure

1992-12-23

1994-11-15

Arbes, Carl J.

Metal working

Method of mechanical manufacture

Electrical device making

29846, 29852, 427 96, H01B 1320

Patent

active

053635507

ABSTRACT:
A method of fabricating a micro-coaxial wiring structure comprises forming a first insulation layer and patterning a trench therein. A first conductive layer is formed on the first insulation layer and having a shape conforming to the insulation layer and lining the trench. A second insulation layer is formed on the first conductive layer within the trench and having a shape conforming to the first conductive layer lining the trench. A conductive signal line having a predetermined aspect ratio for providing a desired value of resistance per unit length is formed on the second insulation layer within the trench. A third insulation layer is then formed. Lastly, a conductive shielding line is formed upon the third insulation layer, the conductive shielding line being aligned with the conductive signal line.

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