Lesson 4: - Learning Aims:Lesson 4: - Learning Aims: To understand and watch a demonstration To understand and watch a demonstration

of the photo etch process.of the photo etch process.

To have produced your own PCB under To have produced your own PCB under supervision using the photo etch process.supervision using the photo etch process.

H.L Task – Write a step by step report on H.L Task – Write a step by step report on how the photo-etch process works, with how the photo-etch process works, with safety, quality checks, diagrams and safety, quality checks, diagrams and material namesmaterial names