Formerly About Advanced Micro Devices Message Board

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Politics : Formerly About Advanced Micro Devices

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To: MikeyB who wrote (42542)	12/1/1998 8:10:00 PM
From: Yousef	Read Replies (1) of 1573466

MikeyB, Re: "Does anyone know why Intel does not use local interconnect??" It is primarily due to avoiding the "risks" associated with LI. Here is a post that I wrote on LI --> Message 5270788 There are a couple of ways of doing LI ... The second one that I mention looks very much like a Metal 1 layer (dielectric/contacts/patterned metal). The advantage comes from using etch stops (like nitride) for the contact etch so that enclosures of contact by island and contact to poly spacing design rules can shrink. This is what gives a much smaller SRAM. On Copper Damascene --> Message 5232529 It not that clear that Copper Damascene at .18um buys any performance. The "risks" associated with using it far outweigh any gains. Make It So, Yousef

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