Jean Hoerni had invented the Planar Process in September 26, 1942. Which allowed silicon instead of making it out of germanium. Jean had inveneted it while working with Fairchild Semiconductor.
The point of the Planar Process was to have the oxide layer left in the silicon wafer to protect the sensitive
p-n junctions underneath.
This process is to have better electrical characteristics. Which helps to have the low leaking currents, which is very important to the computer development.
Fairchild introduced 2N1613 planar transistor in April 1960.
Following after the introduction he had licensed the right to process.
"The most important innovation in the history of the semiconductor industry." That is as one historian puts it in their view.
I personally think this is a good invention because it helps the computer development, and computers became much smaller than they thought it would be allowed. Which makes computers more portable.
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