Word: nonconductor
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Dates: during 1960-1969
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Where all the films are removed, the remaining glass is a nonconductor. When a section of tantalum remains, it acts as a resistor. A strip of gold and chromium is a good conductor, and serves as a thin wire. Capacitors can be made by covering tantalum with an oxide that acts as an insulator and then laying on a fresh film of gold. To make a complete circuit, tiny silicon transistors are electrically bonded to the proper sites. Complicated as it is, the process is wholly automatic, and up to one hundred microcircuits can be manufactured on a piece...
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