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)silicon has got less leakage current

2)high threshold voltage (to avoid unwanted triggering of the device from noise)

3)more adhesive to aluminum

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13y ago

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What element makes up a transistor?

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Yes, germanium was the only material used in transistors from when they were invented in 1947 until 1954 when the first successful silicon transistor was made. However the use of germanium still dominated transistors until the silicon mesa transistor was made commercially available by Fairchild Semiconductor in 1958. Development of the silicon planar transistor by Fairchild Semiconductor the next year ultimately made the integrated circuit possible. While almost all transistors today are silicon, there are still uses for germanium transistors so a few types are still made.


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