The microchip, now found in every home and office, in devices from cookers to computers, credit cards to traffic lights and cars to mobile phones, is 50 years old today.The first working microchip, or integrated circuit, was demonstrated at Texas Instruments by one of the company’s newest employees, Jack Kilby, on September 12, 1958.It consisted of a strip of germanium with one transistor and other components all glued to a glass slide.
http://technology.timesonline.co.uk/tol/news/tech_and_web/article4735461.ece