› #16 of 30 · Foundations
Sand to wafer
The literal “From Sand”
Comes after #15 Logic gates
Build the real thing
Buy
Quartz sand, silicon chunk, real wafer
Line up quartz sand, a chunk of purified silicon and a real test wafer. That's the path most chips take: very pure quartz is refined into pure silicon, grown into a single-crystal ingot and sliced thin.
- Cost
- $ · Under $25
- Time
- One session
- Screens
- No screen needed
For the grown-up
Wafers are thin and break into very sharp shards. Handle them by the edges over a tray, and keep them in their case.
Build it in bricks
Brick build comingPalm-size
Step-by-step brick booklets land one model at a time, starting with the Starter Five.
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