The differences between germanium and silicon components are not only due to the material. The manufacturing process also sometimes determines the properties. That's why this video gives you a first little insight into semiconductor technology.

0:00 - Introduction
1:43 - Germanium vs. Silicon
4:36 - The tip transistor
6:21 - The alloy transistor
8:25 - The Si planar transistor
9:10 - Silicon Extraction
12:06 - The wafer
13:04 - Epitaxy
14:11 - Mask making
14:55 - Diffusion
15:34 - Contacting
16:48 - Limits of miniaturization
18:25 - A little story from practice
19:14 - Problems with small structures
20:08 - The renaissance of germanium