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Date: Mon, 12 Jan 2015 20:41:24 +0000 From: Marsh Ray <maray@...rosoft.com> To: PHC-discuss <discussions@...sword-hashing.net> Subject: Chip size Just remembered this photo [attached] I took at Defcon last summer. The EFF was auctioning off donated items as a fundraiser. If you look closely, you can see that this wafer is not an array of smaller chips. It is *one big circuit*, possibly some kind of CCD imager for a telescope or imaging satellite. Of course, such a large circuit is likely to result in a low yield, which perhaps explains how they ended up in the kitsch supply chain. But it is an existence proof that wafer-sized circuits are possible, modulo thermal solutions. - Marsh Content of type "text/html" skipped Download attachment "wafer2007.jpg" of type "image/jpeg" (124942 bytes)
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