silicon transistor
Quick Summary
A silicon transistor is a semiconductor device that amplifies, controls, and generates electrical signals. Invented in 1947, transistors replaced bulky vacuum tubes, enabling the miniaturization of electronics. Silicon became the preferred material over germanium due to its abundance, lower cost, and ability to function at higher temperatures. A key advantage of silicon is its ability to form a stable oxide layer, crucial for manufacturing tiny, reliable transistors and integrated circuits. These devices are fundamental to modern electronics, acting as the "nerve cells" of the Information Age, powering everything from hearing aids to microprocessors.123
Ask Britannica AI about this topic
Britannica doesn't have a full article on this topic, so we've curated a list of our relevant coverage.