Touchpad
part · 1988 · Digital age
A laptop’s touch-sensitive panel.
What it is made of
- Printed circuit board — has part. The sensor grid is on a circuit board.
Principles and materials it uses
- Capacitance — uses. Capacitive.
- Plastic — is made of. The surface is plastic or glass.
Where it is used
- Laptop — is part of. A touchpad.
Things built in a similar way
- Touch layer (capacitive) — works like. The same capacitive sensing without a screen.