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Politics : Formerly About Advanced Micro Devices -- Ignore unavailable to you. Want to Upgrade?

To: Steve Porter who wrote (54142)	4/4/1999 4:11:00 PM
From: RDM	Read Replies (2) \| Respond to of 1573927

<affect the behaviour of what is known as a 'transmission' line > I have heard some indication to this effect. I have heard that the copper has less cross-talk between traces, but I have not heard a clear reason why. However this may included by saying that copper wires are faster. One question I have are quantitatively how much faster are copper wires than aluminum wires for a typical .18 micron process? What is the difference in sheet resistance between the two (not the same question!)? What is the substrate capacitance of the two layers?