Reply to post: Re: Exponential growth has happened before

Re: Exponential growth has happened before

Actually with 28nm -> 14nm you get 4x as many devices.

And if you have a single point flaw which destroys a single device on a wafer, you now have 4x as many devices per wafer so the cost/defect drops to 25%, you then get another few % win because with smaller devices you can get closer to the edges of a circular wafer so don't waste space.

But with more devices you waste more space to allow for the saw cuts between chips (kerf loss)