AQA GCSE Design and Technology · 8552
Paper 1
Revise: Modification of propertiesA printed circuit board (PCB) supports electronic components and connects them using copper tracks. Manufacture must leave copper where connections are required and remove it elsewhere, so that separate tracks do not accidentally connect.
- Revise: Commercial assembly and soldering processes
An insulating board with conductive tracks and contact pads that connect and support electronic components.