This photo shows the unveiling of the California Historical Landmark No. 1000 plaque in Palo Alto, California. The plaque reads: First Commercially Practicable Integrated Circuit: At this site in 1959, Dr. Robert Noyce of Fairchild Semiconductor Corporation invented the first integrated circuit that could be produced commercially. Based on "planar" technology, an earlier Fairchild breakthrough, Noyce's invention consisted of a complete electronic circuit inside a small silicon chip. His innovation helped revolutionize "Silicon Valley's" semiconductor electronics industry, and brought profound change to the lives of people everywhere. California Registered Historical Landmark No. 1000. Plaque placed by the State Department of Parks and Recreation in cooperation with Intel Corporation, August 9, 1991. This plaque is now permanently located at: 844 East Charleston Road, Palo Alto, California.
