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Motorola's Superchip

机译：摩托罗拉的超级芯片

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摘要

While lying on the beach during a vacation on the Spanish coast in 1 999, physicist Jamal Ramdani had an epiphany. As the sand complied to the contours of his body, Ramdani, a researcher at Motorola Labs in Tempe, AZ, suddenly envisioned a solution to a puzzle that had perplexed the semiconductor industry for 30 years: how to combine cheap silicon with highspeed, light-emitting but far more expensive semiconducting materials like gallium arsenide, all on a single wafer. Because the materials are physically mismatched, layering one on top of the other to produce a chip with optimal electronic and optical properties has been virtually impossible. It may have been the sand on that Spanish beach, which is made of the same mineral from which silicon wafers are derived, that provided Ramdani with the pivotal hint. In any case, Ramdani recalls, "I came back to Phoenix, borrowed a machine for growing compound semiconductors, and in two or three shots, we had gallium arsenide sitting on silicon."
机译：物理学家贾马尔·拉姆达尼（Jamal Ramdani）于1999年在西班牙海岸度假期间躺在海滩上时顿悟。当沙子顺应他的身体轮廓时，位于亚利桑那州坦佩的摩托罗拉实验室的研究员Ramdani突然想到了解决这个困扰半导体行业30年的难题的解决方案：如何将廉价的硅与高速，轻质的硅结合起来。在单个晶片上发射出但价格昂贵得多的半导体材料，例如砷化镓。由于材料在物理上不匹配，因此几乎不可能将一个层叠在另一个之上以生产具有最佳电子和光学性能的芯片。可能是西班牙海滩上的沙子，由与硅片相同的矿物制成，为拉姆达尼提供了重要的提示。无论如何，拉姆达尼回忆说：“我回到菲尼克斯，借用了一台用于生长化合物半导体的机器，然后经过两三枪，我们就将砷化镓放在了硅上。”

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