Advanced Micro Devices - Moderated (AMD) Message Board

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Technology Stocks : Advanced Micro Devices - Moderated (AMD)

AMD 259.68

+2.3%

3:59 PM EST

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To: combjelly who wrote (196869)	5/15/2006 5:03:19 PM
From: Hans de Vries	Read Replies (3) of 275872

Re:They have slated high-k and metal gates. These are major changes to the way chips are made This was heralded as the major breakthrough for 45 nm node not so long ago by Intel. They have since retracted and it won't be used anymore at the 45nm node. Interestingly AMD was first in applying metal gates to solve the Fermi-level-pinning of the high-k gate stack and they even tried to convince IBM in using it. for the 65nm node AMD was leading the way here. It now looks that high-k/metal gates will be used at the next node (32 nm) with as main candidates HfO2 or HfSiO4 as the dielectricum and Tantalium, Molybdeen or Ruthium for the metal gates. Probly combined with a treatment of N or C to tune the gate workfunction at the interface, with C looking particular good. Regards, Hans

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