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1966 - Dr. Ronald E. Enstrom, of RCA Laboratories, makes a visual check of a freshly grown wafer of gallium arsenide which stands vertically in the cage-like extension at the end of a quartz rod

"GROWING" ELECTRONICS

E&MP52.004

Electronics

May 18, 1966

Dr. Ronald E. Enstrom, of RCA Laboratories, makes a visual check of a freshly "grown" wafer of gallium arsenide which stands vertically in the cage-like extension at the end of a quartz rod [see close-up below].

The wafer was grown in the apparatus at right by means of a vapor phase process which can be used to produce solid-state devices directly by deposition from a mixture of hot gases.

Vertical tubes in the picture are precision flow meters used to monitor the gases in the system.


... wafer of gallium arsenide which stands vertically
in the cage-like extension at the end of a quartz rod.


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Original Caption by Science Service
RCA



National Museum of American History

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