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

To: Cirruslvr who wrote (73929)	10/5/1999 1:03:00 AM
From: Elmer	Read Replies (1) \| Respond to of 1572860

Re: "Lets start over again. Maybe he is talking about % and you are talking actual # per wafer." We are talking about both. With larger die, the total will go down and the % will go down. Look at it this way. Assume you have 100 defects randomly spread about a wafer. If there are 1000 die then your yield will be a little above 900 good die or 90%. If you have 200 die on your wafer then your yield will be around 100 good die, or 50%. So with larger die both your total good die and your percentage go down. EP