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Blog Review November 18 2013

Dick James of Chipworks says that 28-nm samples they have seen from GLOBALFOUNDRIES and Samsung are remarkably similar, and ponders the possibility of Apple’s A7 chips being fabricated in New York in the not too distant future.

Recent progress in silicon photonics and optical interconnects is the focus of Pete Singer’s blog. Fujitsu and Intel recently demonstrated the world’s first Optical PCIe Express (OPCIe) based server, using Intel’s silicon photonics chip. Ludo Deferm of imec talks about what’s’ needed for intrachip optical communication.

Rich Wawrzyniak of Semico talks about what he learned from a discussion with Sundar Iyer, CEO of Memoir Systems, on the company’s new Pattern Aware Memory IP technology. Memoir has identified several different types of memory-processor operations and has created memories that perform these functions in the normal course of their operation within the system. In addition, this approach can save designers and device architects a considerable amount of die area, producing tangible power savings while increasing device performance.

Phil Garrou covers three new developments in the area of 3D integration this week. He looks at work from Leti/ST Microelectronics that explored the limits of conventional interconnects on RDL (vs damascene). They were able to achieve 8 µm line/spaces with high uniformity and reproducibility. He also reports on work from BESI and imec on thin wafer handling, and a new low temp via reveal process developed by SPTS.

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