Bipolar transistor
part · 1948 · Digital age
A transistor with two p–n junctions (Shockley).
Principles and materials it uses
- Germanium — is made of. The first transistors were germanium.
- Silicon — is made of. Later — silicon.
- P–n junction — uses. Two p–n junctions.
History: what it evolved from and what it influenced
- Point-contact transistor — evolved from. Shockley created the junction transistor.
What it is a kind of
- Transistor — is a kind of. A transistor.