Jack Kilby

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"Noyce had figured out a solution. But fabricating it was another matter." (Image by David Carron.)

The late Dr. Robert Noyce, father of the silicon microchip, would have turned 84 today. From Tom’s Wolfe’s 1983 Esquire article “The Tinkerings of Robert Noyce,” a passage about the race to create the first (and best) integrated circuit: 

“Even for a machine as simple as a radio the individual transistors had to be wired together, by hand, until you ended up with a little panel that looked like a road map of West Virginia. As for a computer, the wires inside a computer were sheer spaghetti.

Noyce had figured out a solution. But fabricating it was another matter. There was something primitive about cutting individual transistors out of sheets of silicon and then wiring them back together in various series. Why not put them all on a single piece of silicon without wires? The problem was that you would also have to carve, etch, coat, and otherwise fabricate the silicon to perform all the accompanying electrical functions as well, the functions ordinarily performed by insulators, rectifiers, resistors, and capacitors. You would have to create an entire electrical system, an entire circuit, on a little wafer or chip.

Noyce realized that he was not the only engineer thinking along these lines, but he had never even heard of Jack Kilby. Kilby was a thirty-six-year-old engineer working for Texas lnstruments in Dallas. In January, 1959 Noyce made his first detailed notes about a complete solid-state circuit. A month later Texas Instruments announced that Jack Kilby had invented one. Kilby’s integrated circuit, as the invention was called, was made of germanium. Six months later Noyce created a similar integrated circuit made of silicon and using a novel insulating process developed by Jean Hoerni. Noyce’s silicon device turned out to be more efficient and more practical to produce than Kilby’s and set the standard for the industry. So Noyce became known as the co-inventor of the integrated circuit. Nevertheless, Kilby had unquestionably been first. There was an ironic echo of Shockley here. Strictly speaking, Bardeen and Brattain, not Shockley, had invented the transistor, but Shockley wasn’t bashful about being known as the co-inventor. And, now eleven years later, Noyce wasn’t turning bashful either.

Noyce knew exactly what he possessed in this integrated circuit, or microchip, as the press would call it. Noyce knew that he had discovered the road to El Dorado.”

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Noyce predicts the future of technology, 1981:

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