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Availability of these processors is expected in the second half of this year and somewhere in 2008 we'll already see Penryn's successor which is codenamed Nehalem.
Here are some more photos of the 45nm 300mm wafer Intel presented:
Intel 300mm 45nm wafers similar to the SRAM test wafer shown here will be used to make the company's next generation, 45nm Intel Core 2 Duo, Core 2 Quad and Xeon families of processors – codenamed Penryn.
The above photos show close-ups of a 300mm silicon test wafer made using Intel's leading 45nm process technology and consisting of rows and rows of memory chips and various test structures. The dimension of 45nm is extremely small. For example, you could fit more than 30,000 45nm transistors onto the head of a pin, which measures approximately 1.5 million nm.